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https://issues.apache.org/jira/browse/FELIX-5443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15767056#comment-15767056
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Carsten Ziegeler commented on FELIX-5443:
-----------------------------------------
[~fmeschbe], [~fabianlange] What about adding a locking based on the PID? We
could lock on create,update,delete ensuring that only one task modifies a
single configuration. Different configs can be modified in parallel
> Frequent Changes cause UpdateThread to ConcurrentModificationException
> ----------------------------------------------------------------------
>
> Key: FELIX-5443
> URL: https://issues.apache.org/jira/browse/FELIX-5443
> Project: Felix
> Issue Type: Bug
> Components: Configuration Admin
> Affects Versions: configadmin-1.8.8
> Reporter: Fabian Lange
> Fix For: configadmin-1.9.0
>
>
> 2016-11-30T10:20:15.614+0000 | ERROR | 836-1bc8-4066-963b-9b9cbccbd9d0) |
> configadmin | org.apache.felix.configadmin - 1.8.8 | Unexpected problem
> executing task java.util.ConcurrentModificationException at
> java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)[:1.8.0_101] at
> java.util.HashMap$KeyIterator.next(HashMap.java:1461)[:1.8.0_101] at
> java.util.AbstractCollection.toArray(AbstractCollection.java:196)[:1.8.0_101]
> at
> org.apache.felix.cm.impl.Factory.store(Factory.java:126)[4:org.apache.felix.configadmin:1.8.8]
> at
> org.apache.felix.cm.impl.ConfigurationManager$DeleteConfiguration.run(ConfigurationManager.java:1851)[4:org.apache.felix.configadmin:1.8.8]
> at
> org.apache.felix.cm.impl.UpdateThread.run0(UpdateThread.java:143)[4:org.apache.felix.configadmin:1.8.8]
> at
> org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:110)[4:org.apache.felix.configadmin:1.8.8]
> at java.lang.Thread.run(Thread.java:745)[:1.8.0_101]
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