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Cargo Maven2 plugin: failure to deploy in Tomcat6xHello guys, |
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Re: Cargo Maven2 plugin: failure to deploy in Tomcat6xOn Sun, 2009-05-31 at 01:38 +0000, greko23@... wrote:
> Hello guys, > > I am using the cargo maven2 plugin to deploy a WAR in tomcat6x > (6.0.18). I am getting the following error (it seems that there is a > collission with the class loader), but I do not understand well why > and how to fix it. > > java.lang.LinkageError: loader constraint violation: loader (instance > of org/apache/catalina/loader/WebappClassLoader) previously initiated > loading for a different type with name "javax/servlet/ServletContext" > > I think it might be related to the fact that I have some dependencies > on Tomact (catalina), however the scope is set as "provided" in my > pom.xml. Also, from javax.servlet I have the following dependencies: > jstl (runtime), servlet-api (provided) and jsp-api (provided). Any > ideas on how can I get this working?? Your dependencies shouldn't matter as Cargo usually requires the dependencies to be specified again in the cargo plugin for them to take effect against a server. What happens if you manually start the server and deploy the war? does the error still exist? I have a feeling it might be because your war contains a jar that has a the catalina classes in it. If that is the case then you need to look at the maven war plugin to determine how to prevent those jars from being loaded. > Note: Cargo+Tomcat6x works fine when I use it to deploy a more > simple/empty WAR (basic maven project, basic pom). If I use the > default Jetty container, then I can succesfully see the site but some > pages won't work well due to the dependencies on Tomcat6. > > Configuration in my pom.xml > ===================== > <plugin> > <groupId>org.codehaus.cargo</groupId> > <artifactId>cargo-maven2-plugin</artifactId> > <version>1.0</version> > <configuration> > > <container> > <containerId>tomcat6x</containerId> > > <zipUrlInstaller> > > <url>http://www.apache.org/dist/tomcat/tomcat-6/v6.0.18/bin/apache-tomcat-6.0.18.zip</url> > > <installDir>${project.build.directory}/cargoinstalls</installDir> > </zipUrlInstaller> > <log>${project.build.directory}/tomcat6x/cargo.log</log> > </container> > > <configuration> > <home>${project.build.directory}/tomcat6x/config</home> > </configuration> > <wait>true</wait> > </configuration> > <executions> > <execution> > <id>start-container</id> > <phase>pre-integration-test</phase> > <goals> > <goal>start</goal> > </goals> > </execution> > <execution> > <id>stop-container</id> > <phase>post-integration-test</phase> > <goals> > <goal>stop</goal> > </goals> > </execution> > </executions> > </plugin> > > > Relevant logs > ========== > > [17:45:34.718][warn][talledLocalContainer] SEVERE: Exception sending > context initialized event to listener instance of class > org.springframework.web.context.ContextLoaderListener > [17:45:34.718][warn][talledLocalContainer] java.lang.LinkageError: > loader constraint violation: loader (instance of > org/apache/catalina/loader/WebappClassLoader) previously initiated > loading for a different type with name "javax/servlet/ServletContext" > [17:45:34.718][warn][talledLocalContainer] at > java.lang.ClassLoader.defineClass1(Native Method) > [17:45:34.719][warn][talledLocalContainer] at > java.lang.ClassLoader.defineClass(ClassLoader.java:621) > [17:45:34.719][warn][talledLocalContainer] at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1847) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:890) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1354) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) > [17:45:34.719][warn][talledLocalContainer] at > java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) > [17:45:34.719][warn][talledLocalContainer] at > org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:181) > [17:45:34.719][warn][talledLocalContainer] at > org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3843) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.core.StandardContext.start(StandardContext.java:4342) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.core.StandardHost.start(StandardHost.java:719) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.core.StandardService.start(StandardService.java:516) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.core.StandardServer.start(StandardServer.java:710) > [17:45:34.719][warn][talledLocalContainer] at > org.apache.catalina.startup.Catalina.start(Catalina.java:578) > [17:45:34.720][warn][talledLocalContainer] at > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > [17:45:34.720][warn][talledLocalContainer] at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > [17:45:34.720][warn][talledLocalContainer] at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > [17:45:34.720][warn][talledLocalContainer] at > java.lang.reflect.Method.invoke(Method.java:597) > [17:45:34.720][warn][talledLocalContainer] at > org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) > [17:45:34.720][warn][talledLocalContainer] at > org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) > > Thanks, > Greko > > --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email |
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