Strange FileInstall 2.0.0 behavior (double execution of uninstall)

[Matthias Neubert]

Hello,

I suffer from a problem I found using FileInstall 2.0.0 on Felix 2.0.0

When I use my GUI to delete a Jar file in the fileinstall-watched  
directory,
fileinstall tries 2 times nearly at the same time (milliseconds - to  
seconds) to uninstall the bundle.
This happens always and I always get to same errors:

10-20 10:28:26.325: INFO/System.out(4989): Uninstalled /sdcard/
FelixOSGiBundles/de.mnsoft.mapservice.layer1.qypeimpl_1.0.0.jar

10-20 10:28:30.425: INFO/System.out(4989): ERROR:  
org.apache.felix.framework.cache.BundleArchive: Unable to record state  
- java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
files/felix/cache/bundle20/bundle.state
10-20 10:28:30.435: INFO/System.out(4989): ERROR: Error writing  
persistent state to bundle archive. (java.io.FileNotFoundException: /
data/data/de.mnsoft.felixhostapp/files/felix/cache/bundle20/
bundle.state)

10-20 10:28:30.435: WARN/System.err(4989):  
java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/files/
felix/cache/bundle20/bundle.state
10-20 10:28:30.435: WARN/System.err(4989):     at  
org.apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:
231)
10-20 10:28:30.435: WARN/System.err(4989):     at  
java.io.FileOutputStream.<init>(FileOutputStream.java:96)
10-20 10:28:30.435: WARN/System.err(4989):     at  
java.io.FileOutputStream.<init>(FileOutputStream.java:69)
10-20 10:28:30.435: WARN/System.err(4989):     at  
org
.apache
.felix
.framework.util.SecureAction.getFileOutputStream(SecureAction.java:440)
10-20 10:28:30.435: WARN/System.err(4989):     at  
org
.apache
.felix
.framework.cache.BundleArchive.setPersistentState(BundleArchive.java:
361)
10-20 10:28:30.445: WARN/System.err(4989):     at  
org
.apache
.felix
.framework.BundleImpl.setPersistentStateUninstalled(BundleImpl.java:760)
10-20 10:28:30.445: WARN/System.err(4989):     at  
org.apache.felix.framework.Felix.uninstallBundle(Felix.java:2197)
10-20 10:28:30.445: WARN/System.err(4989):     at  
org.apache.felix.framework.BundleImpl.uninstall(BundleImpl.java:950)
10-20 10:28:30.445: WARN/System.err(4989):     at  
org
.apache
.felix
.fileinstall.internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:
724)
10-20 10:28:30.445: WARN/System.err(4989):     at  
org
.apache
.felix
.fileinstall.internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:
600)
10-20 10:28:30.445: WARN/System.err(4989):     at  
org
.apache
.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:
285)

10-20 10:28:30.445: INFO/System.out(4989): ERROR:  
org.apache.felix.framework.cache.BundleArchive: Unable to record last  
modification time - java.io.FileNotFoundException: /data/data/
de.mnsoft.felixhostapp/files/felix/cache/bundle20/bundle.lastmodified

10-20 10:28:30.455: INFO/System.out(4989): ERROR: Error writing last  
modification time to bundle archive. (java.io.FileNotFoundException: /
data/data/de.mnsoft.felixhostapp/files/felix/cache/bundle20/
bundle.lastmodified)
10-20 10:28:30.455: WARN/System.err(4989):  
java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/files/
felix/cache/bundle20/bundle.lastmodified
10-20 10:28:30.455: WARN/System.err(4989):     at  
org.apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:
231)
10-20 10:28:30.455: WARN/System.err(4989):     at  
java.io.FileOutputStream.<init>(FileOutputStream.java:96)
10-20 10:28:30.455: WARN/System.err(4989):     at  
java.io.FileOutputStream.<init>(FileOutputStream.java:69)
10-20 10:28:30.455: WARN/System.err(4989):     at  
org
.apache
.felix
.framework.util.SecureAction.getFileOutputStream(SecureAction.java:440)
10-20 10:28:30.455: WARN/System.err(4989):     at  
org
.apache
.felix
.framework.cache.BundleArchive.setLastModified(BundleArchive.java:532)
10-20 10:28:30.465: WARN/System.err(4989):     at  
org.apache.felix.framework.BundleImpl.setLastModified(BundleImpl.java:
486)
10-20 10:28:30.465: WARN/System.err(4989):     at  
org.apache.felix.framework.Felix.uninstallBundle(Felix.java:2219)
10-20 10:28:30.465: WARN/System.err(4989):     at  
org.apache.felix.framework.BundleImpl.uninstall(BundleImpl.java:950)
10-20 10:28:30.465: WARN/System.err(4989):     at  
org
.apache
.felix
.fileinstall.internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:
724)
10-20 10:28:30.465: WARN/System.err(4989):     at  
org
.apache
.felix
.fileinstall.internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:
600)
10-20 10:28:30.475: WARN/System.err(4989):     at  
org
.apache
.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:
285)

10-20 10:28:30.485: INFO/System.out(4989): Uninstalled /sdcard/
FelixOSGiBundles/de.mnsoft.mapservice.layer1.qypeimpl_1.0.0.jar



It seems that the first "pass" removes the directory in cache  
directory, and the second "pass" tries to write into the gone  
directory.(which causes error)

BUT: the bundle is uninstalled (and deleted from watched dir)


When I try to reinstall the same bundle (e.g. copy the jar file again  
into watched dir) I also get errors:

10-20 10:40:46.735: INFO/System.out(4989): ERROR:  
org.apache.felix.framework.cache.JarRevision: Unable to create  
revision directory.
10-20 10:40:46.735: INFO/System.out(4989): ERROR: Unable to update the  
bundle. (java.io.IOException: Unable to create archive directory.)
10-20 10:40:46.735: WARN/System.err(4989): java.io.IOException: Unable  
to create archive directory.
10-20 10:40:46.735: WARN/System.err(4989):     at  
org
.apache.felix.framework.cache.JarRevision.initialize(JarRevision.java:
141)
10-20 10:40:46.745: WARN/System.err(4989):     at  
org.apache.felix.framework.cache.JarRevision.<init>(JarRevision.java:79)
10-20 10:40:46.745: WARN/System.err(4989):     at  
org
.apache
.felix
.framework
.cache.BundleArchive.createRevisionFromLocation(BundleArchive.java:998)
10-20 10:40:46.745: WARN/System.err(4989):     at  
org
.apache.felix.framework.cache.BundleArchive.revise(BundleArchive.java:
629)
10-20 10:40:46.745: WARN/System.err(4989):     at  
org.apache.felix.framework.BundleImpl.revise(BundleImpl.java:1043)
10-20 10:40:46.745: WARN/System.err(4989):     at  
org.apache.felix.framework.Felix.updateBundle(Felix.java:1835)
10-20 10:40:46.745: WARN/System.err(4989):     at  
org.apache.felix.framework.BundleImpl.update(BundleImpl.java:908)
10-20 10:40:47.105: DEBUG/dalvikvm(4989): GC freed 45351 objects /  
2138144 bytes in 359ms
10-20 10:40:47.105: WARN/System.err(4989):     at  
org
.apache
.felix
.fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:762)
10-20 10:40:47.105: WARN/System.err(4989):     at  
org
.apache
.felix
.fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:621)
10-20 10:40:47.105: WARN/System.err(4989):     at  
org
.apache
.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:
286)

10-20 10:40:47.125: INFO/System.out(4989): Failed to update artifact /
sdcard/FelixOSGiBundles/
de.mnsoft.mapservice.layer3.qypeimpl_1.0.0.jar:  
org.osgi.framework.BundleException: Update of bundle  
de.mnsoft.mapservice.layer3.qypeimpl [24] failed.
10-20 10:40:47.145: INFO/System.out(4989):  
org.osgi.framework.BundleException: Update of bundle  
de.mnsoft.mapservice.layer3.qypeimpl [24] failed.
10-20 10:40:47.145: INFO/System.out(4989):     at  
org.apache.felix.framework.Felix.updateBundle(Felix.java:1966)
10-20 10:40:47.145: INFO/System.out(4989):     at  
org.apache.felix.framework.BundleImpl.update(BundleImpl.java:908)
10-20 10:40:47.155: INFO/System.out(4989):     at  
org
.apache
.felix
.fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:762)
10-20 10:40:47.155: INFO/System.out(4989):     at  
org
.apache
.felix
.fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:621)
10-20 10:40:47.155: INFO/System.out(4989):     at  
org
.apache
.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:
286)
10-20 10:40:47.155: INFO/System.out(4989): Caused by:  
java.io.IOException: Unable to create archive directory.
10-20 10:40:47.155: INFO/System.out(4989):     at  
org
.apache.felix.framework.cache.JarRevision.initialize(JarRevision.java:
141)
10-20 10:40:47.155: INFO/System.out(4989):     at  
org.apache.felix.framework.cache.JarRevision.<init>(JarRevision.java:79)
10-20 10:40:47.155: INFO/System.out(4989):     at  
org
.apache
.felix
.framework
.cache.BundleArchive.createRevisionFromLocation(BundleArchive.java:998)
10-20 10:40:47.165: INFO/System.out(4989):     at  
org
.apache.felix.framework.cache.BundleArchive.revise(BundleArchive.java:
629)
10-20 10:40:47.165: INFO/System.out(4989):     at  
org.apache.felix.framework.BundleImpl.revise(BundleImpl.java:1043)
10-20 10:40:47.165: INFO/System.out(4989):     at  
org.apache.felix.framework.Felix.updateBundle(Felix.java:1835)
10-20 10:40:47.165: INFO/System.out(4989):     ... 4 more


Then he installs the bundle new which then works. I don't know if this  
behavior is wanted by the author.
I have got a simular "double execution problem" with an Bundle-
installing and starting activator which is loaded ate framework  
startup (using "felix.systembundle.activators")
If I avoid the double start in my Loader-Activator the Bundles aren't  
installed. If I allow it, *sometimes* I receive error about that he  
could not read the jar file.

For me all this sounds like threading problems. Usually there are only  
millisoconds or max. 3-4 seconds between this strange double-calls.



Does someone know abaout this behavior or knows how to avoid that it  
occurs?



regards
Matthias

[Matthias Neubert]

Hello again ;-)


One thing came to mind: it may be, that fileinstall is installed and  
started twice, since my Basic Bundle Loader (starts with framework,  
loads bundls like iPOJO and Fileinstall)
gets instanciated and started twice (and I don't know why, he's only  
added to an activators list and started an framework start using  
"felix.systembundle.activators")

this may be the original problem. But is this possible? How to check  
if this happens? When I list all bundles, fileinstall is only shown  
one time.

I still don't have an idea how to solute this problem.

regards
matthias



Am 20.10.2009 um 10:58 schrieb Matthias Neubert:

> Hello,
>
> I suffer from a problem I found using FileInstall 2.0.0 on Felix 2.0.0
>
> When I use my GUI to delete a Jar file in the fileinstall-watched  
> directory,
> fileinstall tries 2 times nearly at the same time (milliseconds - to  
> seconds) to uninstall the bundle.
> This happens always and I always get to same errors:
>
> 10-20 10:28:26.325: INFO/System.out(4989): Uninstalled /sdcard/
> FelixOSGiBundles/de.mnsoft.mapservice.layer1.qypeimpl_1.0.0.jar
>
> 10-20 10:28:30.425: INFO/System.out(4989): ERROR:  
> org.apache.felix.framework.cache.BundleArchive: Unable to record  
> state - java.io.FileNotFoundException: /data/data/
> de.mnsoft.felixhostapp/files/felix/cache/bundle20/bundle.state
> 10-20 10:28:30.435: INFO/System.out(4989): ERROR: Error writing  
> persistent state to bundle archive. (java.io.FileNotFoundException: /
> data/data/de.mnsoft.felixhostapp/files/felix/cache/bundle20/
> bundle.state)
>
> 10-20 10:28:30.435: WARN/System.err(4989):  
> java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
> files/felix/cache/bundle20/bundle.state
> 10-20 10:28:30.435: WARN/System.err(4989):     at  
> org.apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:
> 231)
> 10-20 10:28:30.435: WARN/System.err(4989):     at  
> java.io.FileOutputStream.<init>(FileOutputStream.java:96)
> 10-20 10:28:30.435: WARN/System.err(4989):     at  
> java.io.FileOutputStream.<init>(FileOutputStream.java:69)
> 10-20 10:28:30.435: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .framework.util.SecureAction.getFileOutputStream(SecureAction.java:
> 440)
> 10-20 10:28:30.435: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .framework.cache.BundleArchive.setPersistentState(BundleArchive.java:
> 361)
> 10-20 10:28:30.445: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .framework.BundleImpl.setPersistentStateUninstalled(BundleImpl.java:
> 760)
> 10-20 10:28:30.445: WARN/System.err(4989):     at  
> org.apache.felix.framework.Felix.uninstallBundle(Felix.java:2197)
> 10-20 10:28:30.445: WARN/System.err(4989):     at  
> org.apache.felix.framework.BundleImpl.uninstall(BundleImpl.java:950)
> 10-20 10:28:30.445: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .fileinstall
> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:724)
> 10-20 10:28:30.445: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .fileinstall
> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:600)
> 10-20 10:28:30.445: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:285)
>
> 10-20 10:28:30.445: INFO/System.out(4989): ERROR:  
> org.apache.felix.framework.cache.BundleArchive: Unable to record  
> last modification time - java.io.FileNotFoundException: /data/data/
> de.mnsoft.felixhostapp/files/felix/cache/bundle20/bundle.lastmodified
>
> 10-20 10:28:30.455: INFO/System.out(4989): ERROR: Error writing last  
> modification time to bundle archive.  
> (java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
> files/felix/cache/bundle20/bundle.lastmodified)
> 10-20 10:28:30.455: WARN/System.err(4989):  
> java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
> files/felix/cache/bundle20/bundle.lastmodified
> 10-20 10:28:30.455: WARN/System.err(4989):     at  
> org.apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:
> 231)
> 10-20 10:28:30.455: WARN/System.err(4989):     at  
> java.io.FileOutputStream.<init>(FileOutputStream.java:96)
> 10-20 10:28:30.455: WARN/System.err(4989):     at  
> java.io.FileOutputStream.<init>(FileOutputStream.java:69)
> 10-20 10:28:30.455: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .framework.util.SecureAction.getFileOutputStream(SecureAction.java:
> 440)
> 10-20 10:28:30.455: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .framework.cache.BundleArchive.setLastModified(BundleArchive.java:532)
> 10-20 10:28:30.465: WARN/System.err(4989):     at  
> org
> .apache.felix.framework.BundleImpl.setLastModified(BundleImpl.java:
> 486)
> 10-20 10:28:30.465: WARN/System.err(4989):     at  
> org.apache.felix.framework.Felix.uninstallBundle(Felix.java:2219)
> 10-20 10:28:30.465: WARN/System.err(4989):     at  
> org.apache.felix.framework.BundleImpl.uninstall(BundleImpl.java:950)
> 10-20 10:28:30.465: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .fileinstall
> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:724)
> 10-20 10:28:30.465: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .fileinstall
> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:600)
> 10-20 10:28:30.475: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:285)
>
> 10-20 10:28:30.485: INFO/System.out(4989): Uninstalled /sdcard/
> FelixOSGiBundles/de.mnsoft.mapservice.layer1.qypeimpl_1.0.0.jar
>
>
>
> It seems that the first "pass" removes the directory in cache  
> directory, and the second "pass" tries to write into the gone  
> directory.(which causes error)
>
> BUT: the bundle is uninstalled (and deleted from watched dir)
>
>
> When I try to reinstall the same bundle (e.g. copy the jar file  
> again into watched dir) I also get errors:
>
> 10-20 10:40:46.735: INFO/System.out(4989): ERROR:  
> org.apache.felix.framework.cache.JarRevision: Unable to create  
> revision directory.
> 10-20 10:40:46.735: INFO/System.out(4989): ERROR: Unable to update  
> the bundle. (java.io.IOException: Unable to create archive directory.)
> 10-20 10:40:46.735: WARN/System.err(4989): java.io.IOException:  
> Unable to create archive directory.
> 10-20 10:40:46.735: WARN/System.err(4989):     at  
> org
> .apache
> .felix.framework.cache.JarRevision.initialize(JarRevision.java:141)
> 10-20 10:40:46.745: WARN/System.err(4989):     at  
> org.apache.felix.framework.cache.JarRevision.<init>(JarRevision.java:
> 79)
> 10-20 10:40:46.745: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .framework
> .cache.BundleArchive.createRevisionFromLocation(BundleArchive.java:
> 998)
> 10-20 10:40:46.745: WARN/System.err(4989):     at  
> org
> .apache
> .felix.framework.cache.BundleArchive.revise(BundleArchive.java:629)
> 10-20 10:40:46.745: WARN/System.err(4989):     at  
> org.apache.felix.framework.BundleImpl.revise(BundleImpl.java:1043)
> 10-20 10:40:46.745: WARN/System.err(4989):     at  
> org.apache.felix.framework.Felix.updateBundle(Felix.java:1835)
> 10-20 10:40:46.745: WARN/System.err(4989):     at  
> org.apache.felix.framework.BundleImpl.update(BundleImpl.java:908)
> 10-20 10:40:47.105: DEBUG/dalvikvm(4989): GC freed 45351 objects /  
> 2138144 bytes in 359ms
> 10-20 10:40:47.105: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:
> 762)
> 10-20 10:40:47.105: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:
> 621)
> 10-20 10:40:47.105: WARN/System.err(4989):     at  
> org
> .apache
> .felix
> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:286)
>
> 10-20 10:40:47.125: INFO/System.out(4989): Failed to update  
> artifact /sdcard/FelixOSGiBundles/
> de.mnsoft.mapservice.layer3.qypeimpl_1.0.0.jar:  
> org.osgi.framework.BundleException: Update of bundle  
> de.mnsoft.mapservice.layer3.qypeimpl [24] failed.
> 10-20 10:40:47.145: INFO/System.out(4989):  
> org.osgi.framework.BundleException: Update of bundle  
> de.mnsoft.mapservice.layer3.qypeimpl [24] failed.
> 10-20 10:40:47.145: INFO/System.out(4989):     at  
> org.apache.felix.framework.Felix.updateBundle(Felix.java:1966)
> 10-20 10:40:47.145: INFO/System.out(4989):     at  
> org.apache.felix.framework.BundleImpl.update(BundleImpl.java:908)
> 10-20 10:40:47.155: INFO/System.out(4989):     at  
> org
> .apache
> .felix
> .fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:
> 762)
> 10-20 10:40:47.155: INFO/System.out(4989):     at  
> org
> .apache
> .felix
> .fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:
> 621)
> 10-20 10:40:47.155: INFO/System.out(4989):     at  
> org
> .apache
> .felix
> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:286)
> 10-20 10:40:47.155: INFO/System.out(4989): Caused by:  
> java.io.IOException: Unable to create archive directory.
> 10-20 10:40:47.155: INFO/System.out(4989):     at  
> org
> .apache
> .felix.framework.cache.JarRevision.initialize(JarRevision.java:141)
> 10-20 10:40:47.155: INFO/System.out(4989):     at  
> org.apache.felix.framework.cache.JarRevision.<init>(JarRevision.java:
> 79)
> 10-20 10:40:47.155: INFO/System.out(4989):     at  
> org
> .apache
> .felix
> .framework
> .cache.BundleArchive.createRevisionFromLocation(BundleArchive.java:
> 998)
> 10-20 10:40:47.165: INFO/System.out(4989):     at  
> org
> .apache
> .felix.framework.cache.BundleArchive.revise(BundleArchive.java:629)
> 10-20 10:40:47.165: INFO/System.out(4989):     at  
> org.apache.felix.framework.BundleImpl.revise(BundleImpl.java:1043)
> 10-20 10:40:47.165: INFO/System.out(4989):     at  
> org.apache.felix.framework.Felix.updateBundle(Felix.java:1835)
> 10-20 10:40:47.165: INFO/System.out(4989):     ... 4 more
>
>
> Then he installs the bundle new which then works. I don't know if  
> this behavior is wanted by the author.
> I have got a simular "double execution problem" with an Bundle-
> installing and starting activator which is loaded ate framework  
> startup (using "felix.systembundle.activators")
> If I avoid the double start in my Loader-Activator the Bundles  
> aren't installed. If I allow it, *sometimes* I receive error about  
> that he could not read the jar file.
>
> For me all this sounds like threading problems. Usually there are  
> only millisoconds or max. 3-4 seconds between this strange double-
> calls.
>
>
>
> Does someone know abaout this behavior or knows how to avoid that it  
> occurs?
>
>
>
> regards
> Matthias

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[Matthias Neubert]

And again..

I found out that fileinstall is running in 2 threads parallel . I  
guess this causes all the problems.

My thread are:

3 6595 wait 98 72 main
*5 6596 vmwait 17 43 HeapWorker
*7 6597 vmwait 0 0 Signal Catcher
*9 6598 running 3 13 JDWP
11 6599 native 0 0 Binder Thread #1
13 6600 native 0 0 Binder Thread #2
15 6601 native 0 0 Binder Thread #3
21 6618 timed-wait 584 78 {felix.fileinstall.poll=3000,  
felix.fileinstall.dir=/sdcard/FelixOSGiBundles,  
felix.fileinstall.tmpdir=/data/data/de.mnsoft.
23 6605 wait 1 4 FelixDispatchQueue
*25 6606 wait 383 51 FelixStartLevel
*27 6607 wait 379 42 FelixStartLevel
*29 6608 wait 0 0 FelixPackageAdmin
*31 6609 wait 0 0 FelixPackageAdmin
33 6611 wait 588 50 Thread-17
35 6613 wait 1006 89 Thread-18
37 6616 timed-wait 709 91 {felix.fileinstall.poll=3000,  
felix.fileinstall.dir=/sdcard/FelixOSGiBundles,  
felix.fileinstall.tmpdir=/data/data/de.mnsoft.

So we havle filistall, felixstartlevel and felixpackageadmin twice.

The big question is: Why?

My BasicBundleLoader (=a BundleActivator) looks like this:

public void start(BundleContext arg0) throws Exception {
               
try{
        URL url = new URL("file://"+globalapp.basicBundleAbsPath+"/
ipojo140.jar");
        Bundle ipojo = arg0.installBundle(url.toString(), url.openStream());
...
ipojo.start();
...



Its started at felix start up like this:

m_BasicBundleLoader = new BasicBundleLoader(m_globalapp);
                   
// make list of Autostarted BundleActivators
List<BundleActivator> autoStartActivatorList = new  
ArrayList<BundleActivator>();
// we load BasicBundleLoader, which then will load the rest
autoStartActivatorList.add(m_BasicBundleLoader);
// add list of activators which shall be started with system bundle to  
felix config
m_FelixProperties.put("felix.systembundle.activators",  
autoStartActivatorList);


Why felix does this twice?


hoping someone has a hint
Matthias



Am 20.10.2009 um 11:22 schrieb Matthias Neubert:

> Hello again ;-)
>
>
> One thing came to mind: it may be, that fileinstall is installed and  
> started twice, since my Basic Bundle Loader (starts with framework,  
> loads bundls like iPOJO and Fileinstall)
> gets instanciated and started twice (and I don't know why, he's only  
> added to an activators list and started an framework start using  
> "felix.systembundle.activators")
>
> this may be the original problem. But is this possible? How to check  
> if this happens? When I list all bundles, fileinstall is only shown  
> one time.
>
> I still don't have an idea how to solute this problem.
>
> regards
> matthias
>
>
>
> Am 20.10.2009 um 10:58 schrieb Matthias Neubert:
>
>> Hello,
>>
>> I suffer from a problem I found using FileInstall 2.0.0 on Felix  
>> 2.0.0
>>
>> When I use my GUI to delete a Jar file in the fileinstall-watched  
>> directory,
>> fileinstall tries 2 times nearly at the same time (milliseconds -  
>> to seconds) to uninstall the bundle.
>> This happens always and I always get to same errors:
>>
>> 10-20 10:28:26.325: INFO/System.out(4989): Uninstalled /sdcard/
>> FelixOSGiBundles/de.mnsoft.mapservice.layer1.qypeimpl_1.0.0.jar
>>
>> 10-20 10:28:30.425: INFO/System.out(4989): ERROR:  
>> org.apache.felix.framework.cache.BundleArchive: Unable to record  
>> state - java.io.FileNotFoundException: /data/data/
>> de.mnsoft.felixhostapp/files/felix/cache/bundle20/bundle.state
>> 10-20 10:28:30.435: INFO/System.out(4989): ERROR: Error writing  
>> persistent state to bundle archive.  
>> (java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
>> files/felix/cache/bundle20/bundle.state)
>>
>> 10-20 10:28:30.435: WARN/System.err(4989):  
>> java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
>> files/felix/cache/bundle20/bundle.state
>> 10-20 10:28:30.435: WARN/System.err(4989):     at  
>> org
>> .apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:
>> 231)
>> 10-20 10:28:30.435: WARN/System.err(4989):     at  
>> java.io.FileOutputStream.<init>(FileOutputStream.java:96)
>> 10-20 10:28:30.435: WARN/System.err(4989):     at  
>> java.io.FileOutputStream.<init>(FileOutputStream.java:69)
>> 10-20 10:28:30.435: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .framework.util.SecureAction.getFileOutputStream(SecureAction.java:
>> 440)
>> 10-20 10:28:30.435: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .framework
>> .cache.BundleArchive.setPersistentState(BundleArchive.java:361)
>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .framework.BundleImpl.setPersistentStateUninstalled(BundleImpl.java:
>> 760)
>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>> org.apache.felix.framework.Felix.uninstallBundle(Felix.java:2197)
>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>> org.apache.felix.framework.BundleImpl.uninstall(BundleImpl.java:950)
>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall
>> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:724)
>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall
>> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:600)
>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:285)
>>
>> 10-20 10:28:30.445: INFO/System.out(4989): ERROR:  
>> org.apache.felix.framework.cache.BundleArchive: Unable to record  
>> last modification time - java.io.FileNotFoundException: /data/data/
>> de.mnsoft.felixhostapp/files/felix/cache/bundle20/bundle.lastmodified
>>
>> 10-20 10:28:30.455: INFO/System.out(4989): ERROR: Error writing  
>> last modification time to bundle archive.  
>> (java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
>> files/felix/cache/bundle20/bundle.lastmodified)
>> 10-20 10:28:30.455: WARN/System.err(4989):  
>> java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
>> files/felix/cache/bundle20/bundle.lastmodified
>> 10-20 10:28:30.455: WARN/System.err(4989):     at  
>> org
>> .apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:
>> 231)
>> 10-20 10:28:30.455: WARN/System.err(4989):     at  
>> java.io.FileOutputStream.<init>(FileOutputStream.java:96)
>> 10-20 10:28:30.455: WARN/System.err(4989):     at  
>> java.io.FileOutputStream.<init>(FileOutputStream.java:69)
>> 10-20 10:28:30.455: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .framework.util.SecureAction.getFileOutputStream(SecureAction.java:
>> 440)
>> 10-20 10:28:30.455: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .framework.cache.BundleArchive.setLastModified(BundleArchive.java:
>> 532)
>> 10-20 10:28:30.465: WARN/System.err(4989):     at  
>> org
>> .apache.felix.framework.BundleImpl.setLastModified(BundleImpl.java:
>> 486)
>> 10-20 10:28:30.465: WARN/System.err(4989):     at  
>> org.apache.felix.framework.Felix.uninstallBundle(Felix.java:2219)
>> 10-20 10:28:30.465: WARN/System.err(4989):     at  
>> org.apache.felix.framework.BundleImpl.uninstall(BundleImpl.java:950)
>> 10-20 10:28:30.465: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall
>> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:724)
>> 10-20 10:28:30.465: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall
>> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:600)
>> 10-20 10:28:30.475: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:285)
>>
>> 10-20 10:28:30.485: INFO/System.out(4989): Uninstalled /sdcard/
>> FelixOSGiBundles/de.mnsoft.mapservice.layer1.qypeimpl_1.0.0.jar
>>
>>
>>
>> It seems that the first "pass" removes the directory in cache  
>> directory, and the second "pass" tries to write into the gone  
>> directory.(which causes error)
>>
>> BUT: the bundle is uninstalled (and deleted from watched dir)
>>
>>
>> When I try to reinstall the same bundle (e.g. copy the jar file  
>> again into watched dir) I also get errors:
>>
>> 10-20 10:40:46.735: INFO/System.out(4989): ERROR:  
>> org.apache.felix.framework.cache.JarRevision: Unable to create  
>> revision directory.
>> 10-20 10:40:46.735: INFO/System.out(4989): ERROR: Unable to update  
>> the bundle. (java.io.IOException: Unable to create archive  
>> directory.)
>> 10-20 10:40:46.735: WARN/System.err(4989): java.io.IOException:  
>> Unable to create archive directory.
>> 10-20 10:40:46.735: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix.framework.cache.JarRevision.initialize(JarRevision.java:141)
>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>> org
>> .apache.felix.framework.cache.JarRevision.<init>(JarRevision.java:79)
>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .framework
>> .cache.BundleArchive.createRevisionFromLocation(BundleArchive.java:
>> 998)
>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix.framework.cache.BundleArchive.revise(BundleArchive.java:629)
>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>> org.apache.felix.framework.BundleImpl.revise(BundleImpl.java:1043)
>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>> org.apache.felix.framework.Felix.updateBundle(Felix.java:1835)
>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>> org.apache.felix.framework.BundleImpl.update(BundleImpl.java:908)
>> 10-20 10:40:47.105: DEBUG/dalvikvm(4989): GC freed 45351 objects /  
>> 2138144 bytes in 359ms
>> 10-20 10:40:47.105: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:
>> 762)
>> 10-20 10:40:47.105: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:
>> 621)
>> 10-20 10:40:47.105: WARN/System.err(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:286)
>>
>> 10-20 10:40:47.125: INFO/System.out(4989): Failed to update  
>> artifact /sdcard/FelixOSGiBundles/
>> de.mnsoft.mapservice.layer3.qypeimpl_1.0.0.jar:  
>> org.osgi.framework.BundleException: Update of bundle  
>> de.mnsoft.mapservice.layer3.qypeimpl [24] failed.
>> 10-20 10:40:47.145: INFO/System.out(4989):  
>> org.osgi.framework.BundleException: Update of bundle  
>> de.mnsoft.mapservice.layer3.qypeimpl [24] failed.
>> 10-20 10:40:47.145: INFO/System.out(4989):     at  
>> org.apache.felix.framework.Felix.updateBundle(Felix.java:1966)
>> 10-20 10:40:47.145: INFO/System.out(4989):     at  
>> org.apache.felix.framework.BundleImpl.update(BundleImpl.java:908)
>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:
>> 762)
>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall.internal.DirectoryWatcher.update(DirectoryWatcher.java:
>> 621)
>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>> org
>> .apache
>> .felix
>> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:286)
>> 10-20 10:40:47.155: INFO/System.out(4989): Caused by:  
>> java.io.IOException: Unable to create archive directory.
>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>> org
>> .apache
>> .felix.framework.cache.JarRevision.initialize(JarRevision.java:141)
>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>> org
>> .apache.felix.framework.cache.JarRevision.<init>(JarRevision.java:79)
>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>> org
>> .apache
>> .felix
>> .framework
>> .cache.BundleArchive.createRevisionFromLocation(BundleArchive.java:
>> 998)
>> 10-20 10:40:47.165: INFO/System.out(4989):     at  
>> org
>> .apache
>> .felix.framework.cache.BundleArchive.revise(BundleArchive.java:629)
>> 10-20 10:40:47.165: INFO/System.out(4989):     at  
>> org.apache.felix.framework.BundleImpl.revise(BundleImpl.java:1043)
>> 10-20 10:40:47.165: INFO/System.out(4989):     at  
>> org.apache.felix.framework.Felix.updateBundle(Felix.java:1835)
>> 10-20 10:40:47.165: INFO/System.out(4989):     ... 4 more
>>
>>
>> Then he installs the bundle new which then works. I don't know if  
>> this behavior is wanted by the author.
>> I have got a simular "double execution problem" with an Bundle-
>> installing and starting activator which is loaded ate framework  
>> startup (using "felix.systembundle.activators")
>> If I avoid the double start in my Loader-Activator the Bundles  
>> aren't installed. If I allow it, *sometimes* I receive error about  
>> that he could not read the jar file.
>>
>> For me all this sounds like threading problems. Usually there are  
>> only millisoconds or max. 3-4 seconds between this strange double-
>> calls.
>>
>>
>>
>> Does someone know abaout this behavior or knows how to avoid that  
>> it occurs?
>>
>>
>>
>> regards
>> Matthias
>
>
> ---------------------------------------------------------------------
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> For additional commands, e-mail: users-help@...
>

[Matthias Neubert]

Found the answer: (may be for archive)

don't start felix with the same config twice...

accidentially this happend to me and explains all the upcoming problems.

I hope I didn't spam to much ;-)

regards
Matthias




Am 20.10.2009 um 12:27 schrieb Matthias Neubert:

> And again..
>
> I found out that fileinstall is running in 2 threads parallel . I  
> guess this causes all the problems.
>
> My thread are:
>
> 3 6595 wait 98 72 main
> *5 6596 vmwait 17 43 HeapWorker
> *7 6597 vmwait 0 0 Signal Catcher
> *9 6598 running 3 13 JDWP
> 11 6599 native 0 0 Binder Thread #1
> 13 6600 native 0 0 Binder Thread #2
> 15 6601 native 0 0 Binder Thread #3
> 21 6618 timed-wait 584 78 {felix.fileinstall.poll=3000,  
> felix.fileinstall.dir=/sdcard/FelixOSGiBundles,  
> felix.fileinstall.tmpdir=/data/data/de.mnsoft.
> 23 6605 wait 1 4 FelixDispatchQueue
> *25 6606 wait 383 51 FelixStartLevel
> *27 6607 wait 379 42 FelixStartLevel
> *29 6608 wait 0 0 FelixPackageAdmin
> *31 6609 wait 0 0 FelixPackageAdmin
> 33 6611 wait 588 50 Thread-17
> 35 6613 wait 1006 89 Thread-18
> 37 6616 timed-wait 709 91 {felix.fileinstall.poll=3000,  
> felix.fileinstall.dir=/sdcard/FelixOSGiBundles,  
> felix.fileinstall.tmpdir=/data/data/de.mnsoft.
>
> So we havle filistall, felixstartlevel and felixpackageadmin twice.
>
> The big question is: Why?
>
> My BasicBundleLoader (=a BundleActivator) looks like this:
>
> public void start(BundleContext arg0) throws Exception {
>
> try{
> URL url = new URL("file://"+globalapp.basicBundleAbsPath+"/
> ipojo140.jar");
> Bundle ipojo = arg0.installBundle(url.toString(), url.openStream());
> ...
> ipojo.start();
> ...
>
>
>
> Its started at felix start up like this:
>
> m_BasicBundleLoader = new BasicBundleLoader(m_globalapp);
>    
> // make list of Autostarted BundleActivators
> List<BundleActivator> autoStartActivatorList = new  
> ArrayList<BundleActivator>();
> // we load BasicBundleLoader, which then will load the rest
> autoStartActivatorList.add(m_BasicBundleLoader);
> // add list of activators which shall be started with system bundle  
> to felix config
> m_FelixProperties.put("felix.systembundle.activators",  
> autoStartActivatorList);
>
>
> Why felix does this twice?
>
>
> hoping someone has a hint
> Matthias
>
>
>
> Am 20.10.2009 um 11:22 schrieb Matthias Neubert:
>
>> Hello again ;-)
>>
>>
>> One thing came to mind: it may be, that fileinstall is installed  
>> and started twice, since my Basic Bundle Loader (starts with  
>> framework, loads bundls like iPOJO and Fileinstall)
>> gets instanciated and started twice (and I don't know why, he's  
>> only added to an activators list and started an framework start  
>> using  "felix.systembundle.activators")
>>
>> this may be the original problem. But is this possible? How to  
>> check if this happens? When I list all bundles, fileinstall is only  
>> shown one time.
>>
>> I still don't have an idea how to solute this problem.
>>
>> regards
>> matthias
>>
>>
>>
>> Am 20.10.2009 um 10:58 schrieb Matthias Neubert:
>>
>>> Hello,
>>>
>>> I suffer from a problem I found using FileInstall 2.0.0 on Felix  
>>> 2.0.0
>>>
>>> When I use my GUI to delete a Jar file in the fileinstall-watched  
>>> directory,
>>> fileinstall tries 2 times nearly at the same time (milliseconds -  
>>> to seconds) to uninstall the bundle.
>>> This happens always and I always get to same errors:
>>>
>>> 10-20 10:28:26.325: INFO/System.out(4989): Uninstalled /sdcard/
>>> FelixOSGiBundles/de.mnsoft.mapservice.layer1.qypeimpl_1.0.0.jar
>>>
>>> 10-20 10:28:30.425: INFO/System.out(4989): ERROR:  
>>> org.apache.felix.framework.cache.BundleArchive: Unable to record  
>>> state - java.io.FileNotFoundException: /data/data/
>>> de.mnsoft.felixhostapp/files/felix/cache/bundle20/bundle.state
>>> 10-20 10:28:30.435: INFO/System.out(4989): ERROR: Error writing  
>>> persistent state to bundle archive.  
>>> (java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
>>> files/felix/cache/bundle20/bundle.state)
>>>
>>> 10-20 10:28:30.435: WARN/System.err(4989):  
>>> java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
>>> files/felix/cache/bundle20/bundle.state
>>> 10-20 10:28:30.435: WARN/System.err(4989):     at  
>>> org
>>> .apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:
>>> 231)
>>> 10-20 10:28:30.435: WARN/System.err(4989):     at  
>>> java.io.FileOutputStream.<init>(FileOutputStream.java:96)
>>> 10-20 10:28:30.435: WARN/System.err(4989):     at  
>>> java.io.FileOutputStream.<init>(FileOutputStream.java:69)
>>> 10-20 10:28:30.435: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .framework.util.SecureAction.getFileOutputStream(SecureAction.java:
>>> 440)
>>> 10-20 10:28:30.435: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .framework
>>> .cache.BundleArchive.setPersistentState(BundleArchive.java:361)
>>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .framework
>>> .BundleImpl.setPersistentStateUninstalled(BundleImpl.java:760)
>>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>>> org.apache.felix.framework.Felix.uninstallBundle(Felix.java:2197)
>>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>>> org.apache.felix.framework.BundleImpl.uninstall(BundleImpl.java:950)
>>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall
>>> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:724)
>>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall
>>> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:600)
>>> 10-20 10:28:30.445: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:
>>> 285)
>>>
>>> 10-20 10:28:30.445: INFO/System.out(4989): ERROR:  
>>> org.apache.felix.framework.cache.BundleArchive: Unable to record  
>>> last modification time - java.io.FileNotFoundException: /data/data/
>>> de.mnsoft.felixhostapp/files/felix/cache/bundle20/
>>> bundle.lastmodified
>>>
>>> 10-20 10:28:30.455: INFO/System.out(4989): ERROR: Error writing  
>>> last modification time to bundle archive.  
>>> (java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
>>> files/felix/cache/bundle20/bundle.lastmodified)
>>> 10-20 10:28:30.455: WARN/System.err(4989):  
>>> java.io.FileNotFoundException: /data/data/de.mnsoft.felixhostapp/
>>> files/felix/cache/bundle20/bundle.lastmodified
>>> 10-20 10:28:30.455: WARN/System.err(4989):     at  
>>> org
>>> .apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:
>>> 231)
>>> 10-20 10:28:30.455: WARN/System.err(4989):     at  
>>> java.io.FileOutputStream.<init>(FileOutputStream.java:96)
>>> 10-20 10:28:30.455: WARN/System.err(4989):     at  
>>> java.io.FileOutputStream.<init>(FileOutputStream.java:69)
>>> 10-20 10:28:30.455: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .framework.util.SecureAction.getFileOutputStream(SecureAction.java:
>>> 440)
>>> 10-20 10:28:30.455: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .framework.cache.BundleArchive.setLastModified(BundleArchive.java:
>>> 532)
>>> 10-20 10:28:30.465: WARN/System.err(4989):     at  
>>> org
>>> .apache.felix.framework.BundleImpl.setLastModified(BundleImpl.java:
>>> 486)
>>> 10-20 10:28:30.465: WARN/System.err(4989):     at  
>>> org.apache.felix.framework.Felix.uninstallBundle(Felix.java:2219)
>>> 10-20 10:28:30.465: WARN/System.err(4989):     at  
>>> org.apache.felix.framework.BundleImpl.uninstall(BundleImpl.java:950)
>>> 10-20 10:28:30.465: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall
>>> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:724)
>>> 10-20 10:28:30.465: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall
>>> .internal.DirectoryWatcher.uninstall(DirectoryWatcher.java:600)
>>> 10-20 10:28:30.475: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:
>>> 285)
>>>
>>> 10-20 10:28:30.485: INFO/System.out(4989): Uninstalled /sdcard/
>>> FelixOSGiBundles/de.mnsoft.mapservice.layer1.qypeimpl_1.0.0.jar
>>>
>>>
>>>
>>> It seems that the first "pass" removes the directory in cache  
>>> directory, and the second "pass" tries to write into the gone  
>>> directory.(which causes error)
>>>
>>> BUT: the bundle is uninstalled (and deleted from watched dir)
>>>
>>>
>>> When I try to reinstall the same bundle (e.g. copy the jar file  
>>> again into watched dir) I also get errors:
>>>
>>> 10-20 10:40:46.735: INFO/System.out(4989): ERROR:  
>>> org.apache.felix.framework.cache.JarRevision: Unable to create  
>>> revision directory.
>>> 10-20 10:40:46.735: INFO/System.out(4989): ERROR: Unable to update  
>>> the bundle. (java.io.IOException: Unable to create archive  
>>> directory.)
>>> 10-20 10:40:46.735: WARN/System.err(4989): java.io.IOException:  
>>> Unable to create archive directory.
>>> 10-20 10:40:46.735: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix.framework.cache.JarRevision.initialize(JarRevision.java:141)
>>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>>> org
>>> .apache.felix.framework.cache.JarRevision.<init>(JarRevision.java:
>>> 79)
>>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .framework
>>> .cache.BundleArchive.createRevisionFromLocation(BundleArchive.java:
>>> 998)
>>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix.framework.cache.BundleArchive.revise(BundleArchive.java:629)
>>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>>> org.apache.felix.framework.BundleImpl.revise(BundleImpl.java:1043)
>>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>>> org.apache.felix.framework.Felix.updateBundle(Felix.java:1835)
>>> 10-20 10:40:46.745: WARN/System.err(4989):     at  
>>> org.apache.felix.framework.BundleImpl.update(BundleImpl.java:908)
>>> 10-20 10:40:47.105: DEBUG/dalvikvm(4989): GC freed 45351 objects /  
>>> 2138144 bytes in 359ms
>>> 10-20 10:40:47.105: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall
>>> .internal.DirectoryWatcher.update(DirectoryWatcher.java:762)
>>> 10-20 10:40:47.105: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall
>>> .internal.DirectoryWatcher.update(DirectoryWatcher.java:621)
>>> 10-20 10:40:47.105: WARN/System.err(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:
>>> 286)
>>>
>>> 10-20 10:40:47.125: INFO/System.out(4989): Failed to update  
>>> artifact /sdcard/FelixOSGiBundles/
>>> de.mnsoft.mapservice.layer3.qypeimpl_1.0.0.jar:  
>>> org.osgi.framework.BundleException: Update of bundle  
>>> de.mnsoft.mapservice.layer3.qypeimpl [24] failed.
>>> 10-20 10:40:47.145: INFO/System.out(4989):  
>>> org.osgi.framework.BundleException: Update of bundle  
>>> de.mnsoft.mapservice.layer3.qypeimpl [24] failed.
>>> 10-20 10:40:47.145: INFO/System.out(4989):     at  
>>> org.apache.felix.framework.Felix.updateBundle(Felix.java:1966)
>>> 10-20 10:40:47.145: INFO/System.out(4989):     at  
>>> org.apache.felix.framework.BundleImpl.update(BundleImpl.java:908)
>>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall
>>> .internal.DirectoryWatcher.update(DirectoryWatcher.java:762)
>>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall
>>> .internal.DirectoryWatcher.update(DirectoryWatcher.java:621)
>>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:
>>> 286)
>>> 10-20 10:40:47.155: INFO/System.out(4989): Caused by:  
>>> java.io.IOException: Unable to create archive directory.
>>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>>> org
>>> .apache
>>> .felix.framework.cache.JarRevision.initialize(JarRevision.java:141)
>>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>>> org
>>> .apache.felix.framework.cache.JarRevision.<init>(JarRevision.java:
>>> 79)
>>> 10-20 10:40:47.155: INFO/System.out(4989):     at  
>>> org
>>> .apache
>>> .felix
>>> .framework
>>> .cache.BundleArchive.createRevisionFromLocation(BundleArchive.java:
>>> 998)
>>> 10-20 10:40:47.165: INFO/System.out(4989):     at  
>>> org
>>> .apache
>>> .felix.framework.cache.BundleArchive.revise(BundleArchive.java:629)
>>> 10-20 10:40:47.165: INFO/System.out(4989):     at  
>>> org.apache.felix.framework.BundleImpl.revise(BundleImpl.java:1043)
>>> 10-20 10:40:47.165: INFO/System.out(4989):     at  
>>> org.apache.felix.framework.Felix.updateBundle(Felix.java:1835)
>>> 10-20 10:40:47.165: INFO/System.out(4989):     ... 4 more
>>>
>>>
>>> Then he installs the bundle new which then works. I don't know if  
>>> this behavior is wanted by the author.
>>> I have got a simular "double execution problem" with an Bundle-
>>> installing and starting activator which is loaded ate framework  
>>> startup (using "felix.systembundle.activators")
>>> If I avoid the double start in my Loader-Activator the Bundles  
>>> aren't installed. If I allow it, *sometimes* I receive error about  
>>> that he could not read the jar file.
>>>
>>> For me all this sounds like threading problems. Usually there are  
>>> only millisoconds or max. 3-4 seconds between this strange double-
>>> calls.
>>>
>>>
>>>
>>> Does someone know abaout this behavior or knows how to avoid that  
>>> it occurs?
>>>
>>>
>>>
>>> regards
>>> Matthias
>>
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