[jboss-osgi-issues] [JBoss JIRA] (JBOSGI-805) ConcurrentModificationException from AbstractWiring when loading a dynamically imported class

[Arcadiy Ivanov (JIRA)]

    [ https://issues.jboss.org/browse/JBOSGI-805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13324129#comment-13324129 ] 

Arcadiy Ivanov edited comment on JBOSGI-805 at 11/18/16 5:32 AM:
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[~hannu1] The SNAPSHOT JBOSGI 2.5.3 has been uploaded. Please test with it and let me know if you find any other problems that may be related.


was (Author: arcivanov):
[~hannu1] The SNAPSHOT JBOSGI 2.5.2 has been uploaded. Please test with it and let me know if you find any other problems that may be related.

> ConcurrentModificationException from AbstractWiring when loading a dynamically imported class
> ---------------------------------------------------------------------------------------------
>
>                 Key: JBOSGI-805
>                 URL: https://issues.jboss.org/browse/JBOSGI-805
>             Project: JBoss OSGi
>          Issue Type: Bug
>          Components: framework, resolver
>    Affects Versions: JBossOSGI 2.5.2
>            Reporter: Hannu Lahtinen
>            Assignee: Arcadiy Ivanov
>             Fix For: JBossOSGI 2.5.3
>
>
> {code}
> java.util ConcurrentModificationException
> at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) [rt.jar:1.8.0_102]
> at java.util.ArrayList$Itr.next(ArrayList.java:851) [rt.jar:1.8.0_102]
> at org.jboss.osgi.resolver.spi.AbstractWiring.addProvidedWire(AbstractWiring.java:120)
> at org.jboss.osgi.framework.internal.FallbackLoader.loadClassLocal (FallbackLoader.java:165)
> at org.jboss.modules.Module.loadModuleClass(Module.java:613) [jboss-modules.jar:1.5.1.Final]
> at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190) [jboss-modules.jar:1.5.1.Final]
> at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:363) [jboss-modules.jar:1.5.1.Final]
> at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:351) [jboss-modules.jar:1.5.1.Final]
> at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:93) [jboss-modules.jar:1.5.1.Final]
> ...
> {code}
> Steps that cause the exception to occur:
> 1. bundle with DIP: * in MANIFEST.
> 2. 2 different threads call above mentioned bundle with the same class that needs to be imported dynamically.
> This exception is timing based and does not happen every time but in our environment happens about 20% of the time.



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