[jira] Created: (FELIX-1573) Occasional NPE in URLHandlersBundleStreamHandler

Occasional NPE in URLHandlersBundleStreamHandler
------------------------------------------------

                 Key: FELIX-1573
                 URL: https://issues.apache.org/jira/browse/FELIX-1573
             Project: Felix
          Issue Type: Bug
          Components: Framework
    Affects Versions: felix-1.8.1
            Reporter: Don Brown


I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:

- Started bundle org.springframework (5)
08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
08-Sep-2009 02:54:37 - Unable to process extender configuration
08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
08-Sep-2009 02:54:37        ... 22 more

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Don Brown commented on FELIX-1573:
----------------------------------

I can't reproduce this on OSX, but can reliably on Linux, 1.5 JVM.

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1
>            Reporter: Don Brown
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Don Brown edited comment on FELIX-1573 at 9/8/09 7:46 PM:
----------------------------------------------------------

I can't reproduce this on OSX (1.5 or 1.6), but can reliably on Linux (1.6.0_13)

      was (Author: mrdon):
    I can't reproduce this on OSX, but can reliably on Linux, 1.5 JVM.
 

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1
>            Reporter: Don Brown
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Don Brown updated FELIX-1573:
-----------------------------

    Affects Version/s: felix-2.0.0

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1, felix-2.0.0
>            Reporter: Don Brown
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Don Brown commented on FELIX-1573:
----------------------------------

While there does seem to be a race condition here, there is fallback code that should handle the situation.  In URLHandlers.getFrameworkFromContext(), if it can't determine the framework, it should go through the callstack to find a class loaded by the bundle class loader.  Unfortunately, it matches based on the class name, which it mistakenly thinks should be "org.apache.felix.framework.searchpolicy.ModuleImpl.ModuleClassLoader".  After much debugging, I realized the actual class name that will be returned from the classloader is "org.apache.felix.framework.searchpolicy.ModuleImpl$ModuleClassLoader".  Since changing this string, I haven't seen the error occur again.

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1, felix-2.0.0
>            Reporter: Don Brown
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Karl Pauls reassigned FELIX-1573:
---------------------------------

    Assignee: Karl Pauls

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1, felix-2.0.0
>            Reporter: Don Brown
>            Assignee: Karl Pauls
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Karl Pauls commented on FELIX-1573:
-----------------------------------

Yeah, it sounds like this is an oversight from the refactoring. It used to be different but now the ModuleClassLoader is an inner class so that doesn't get used correctly. I will fix it asap.

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1, felix-2.0.0
>            Reporter: Don Brown
>            Assignee: Karl Pauls
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Karl Pauls resolved FELIX-1573.
-------------------------------

       Resolution: Fixed
    Fix Version/s: felix-2.2.0

I just committed a fix for this. As I said, its an oversight from the refactoring. Please test and let us know whether it works for you. Thanks for reporting.

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1, felix-2.0.0
>            Reporter: Don Brown
>            Assignee: Karl Pauls
>             Fix For: felix-2.2.0
>
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Don Brown reopened FELIX-1573:
------------------------------


I don't know how I missed this, but the class name is still wrong - should be:
{code}
org.apache.felix.framework.ModuleImpl$ModuleClassLoader
{code}
not, as it is now,
{code}
org.apache.felix.framework.searchpolicy.ModuleImpl$ModuleClassLoader
{code}

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1, felix-2.0.0
>            Reporter: Don Brown
>            Assignee: Karl Pauls
>             Fix For: felix-2.0.1
>
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Don Brown edited comment on FELIX-1573 at 11/2/09 4:57 AM:
-----------------------------------------------------------

I don't know how I missed this, but the class name is still wrong - should be:

  org.apache.felix.framework.ModuleImpl$ModuleClassLoader

not, as it is now,

  org.apache.felix.framework.searchpolicy.ModuleImpl$ModuleClassLoader


      was (Author: mrdon):
    I don't know how I missed this, but the class name is still wrong - should be:
{code}
org.apache.felix.framework.ModuleImpl$ModuleClassLoader
{code}
not, as it is now,
{code}
org.apache.felix.framework.searchpolicy.ModuleImpl$ModuleClassLoader
{code}
 

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1, felix-2.0.0
>            Reporter: Don Brown
>            Assignee: Karl Pauls
>             Fix For: felix-2.0.1
>
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Karl Pauls commented on FELIX-1573:
-----------------------------------

Did you try with the current trunk/2.0.2? This should be fixed by FELIX-1834 (as well as the other issue you mentioned on the 2.0.1 release - I hope).

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1, felix-2.0.0
>            Reporter: Don Brown
>            Assignee: Karl Pauls
>             Fix For: felix-2.0.1
>
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Don Brown commented on FELIX-1573:
----------------------------------

Yeah, seems fixed in trunk, but it is still broken in 2.0.1, so maybe just close this ticket against 2.0.2 instead.

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1, felix-2.0.0
>            Reporter: Don Brown
>            Assignee: Karl Pauls
>             Fix For: felix-2.0.1
>
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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Richard S. Hall closed FELIX-1573.
----------------------------------

    Resolution: Fixed

Closing this issue since there was a commit against 2.0.1 for this issue, so there is no reason to move this issue to 2.0.2 because it didn't fully resolve the bug. We have FELIX-1834 for the complete fix in 2.0.2.

> Occasional NPE in URLHandlersBundleStreamHandler
> ------------------------------------------------
>
>                 Key: FELIX-1573
>                 URL: https://issues.apache.org/jira/browse/FELIX-1573
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.8.1, felix-2.0.0
>            Reporter: Don Brown
>            Assignee: Karl Pauls
>             Fix For: felix-2.0.1
>
>
> I'm occasionally seeing startup failures in my integration tests due to an NPE in URLHandlersBundleStreamHandler that looks like some sort of race condition:
> - Started bundle org.springframework (5)
> 08-Sep-2009 02:54:37 - Loading XML bean definitions from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]
> 08-Sep-2009 02:54:37 - Unable to process extender configuration
> 08-Sep-2009 02:54:37 org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from OSGi resource[bundle://6.0:0/META-INF/spring/extender/spring-event-bridge.xml|bnd.id=6|bnd.sym=org.springframework.osgi.extender]; nested exception is java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:349)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:176)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:142)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:422)
> 08-Sep-2009 02:54:37        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$301(AbstractDelegatedExecutionApplicationContext.java:69)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$1.run(AbstractDelegatedExecutionApplicationContext.java:186)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.normalRefresh(AbstractDelegatedExecutionApplicationContext.java:182)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$NoDependenciesWaitRefreshExecutor.refresh(AbstractDelegatedExecutionApplicationContext.java:89)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.support.ExtenderConfiguration.<init>(ExtenderConfiguration.java:169)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:380)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.startBundle(Felix.java:1461)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984)
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263)
> 08-Sep-2009 02:54:37        at java.lang.Thread.run(Thread.java:595)
> 08-Sep-2009 02:54:37 Caused by: java.io.IOException: No framework context found
> 08-Sep-2009 02:54:37        at org.apache.felix.framework.URLHandlersBundleStreamHandler.openConnection(URLHandlersBundleStreamHandler.java:72)
> 08-Sep-2009 02:54:37        at java.net.URL.openConnection(URL.java:943)
> 08-Sep-2009 02:54:37        at org.springframework.osgi.io.OsgiBundleResource.getInputStream(OsgiBundleResource.java:180)
> 08-Sep-2009 02:54:37        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336)
> 08-Sep-2009 02:54:37        ... 22 more

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