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https://issues.apache.org/jira/browse/FELIX-3477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13597940#comment-13597940
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Rudi Wijaya commented on FELIX-3477:
------------------------------------
Agree with Richard Hall's
https://issues.apache.org/jira/browse/FELIX-3477?focusedCommentId=13437915&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13437915
A more detailed exception will assist diagnosis, which is a good enough interim
"solution". In my case it seems the cause is Aries Blueprint (#ARIES-951) but
if can get better exception from Felix, should help Aries to resolve the
problem.
> NPE in BundleWiringImpl.searchImports
> -------------------------------------
>
> Key: FELIX-3477
> URL: https://issues.apache.org/jira/browse/FELIX-3477
> Project: Felix
> Issue Type: Bug
> Components: Framework
> Affects Versions: framework-4.0.2
> Environment: JDK 6u31, Ubuntu
> Reporter: Jesse Glick
>
> NetBeans unit tests in the org.netbeans.core.osgi module pass but print a lot
> of stack traces when run against Felix 4.0.2:
> Apr 23, 2012 7:06:57 PM org.openide.util.lookup.implspi.ActiveQueue$Daemon run
> WARNING: Cannot process
> org.openide.util.WeakListenerImpl$ListenerReference@1ce1bea
> java.lang.NullPointerException
> at
> org.apache.felix.framework.BundleWiringImpl.searchImports(BundleWiringImpl.java:1508)
> at
> org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1427)
> at
> org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:72)
> at
> org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1843)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
> at java.lang.Class.getDeclaredMethods0(Native Method)
> at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
> at java.lang.Class.getMethod0(Class.java:2670)
> at java.lang.Class.getMethod(Class.java:1603)
> at
> org.openide.util.WeakListenerImpl$ListenerReference.getRemoveMethod(WeakListenerImpl.java:614)
> at
> org.openide.util.WeakListenerImpl$ListenerReference.run(WeakListenerImpl.java:572)
> at
> org.openide.util.lookup.implspi.ActiveQueue$Daemon.run(ActiveQueue.java:185)
> (The ActiveQueue thread in this case is looking for listeners attached via
> weak references which have since been collected, so that the stub listener
> can be cleanly detached from the observable object. It is impossible to
> guarantee exactly when this cleanup will run.)
> Presumably BundleRevisionImpl.m_wiring is null. searchImports should I think
> just treat this as if result==null. Can offer a patch if you like.
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