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https://issues.apache.org/jira/browse/SLING-4867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14679634#comment-14679634
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Carsten Ziegeler commented on SLING-4867:
-----------------------------------------
There are a lot of calls to sort the resource list in EntityResourceList - I
guess we could remove all of them and just do the sorting whenever the
resources are modified. But this would assume that we don't modify resources
directly which *should* be the case.
> EntityResourceList should be thread-safe
> ----------------------------------------
>
> Key: SLING-4867
> URL: https://issues.apache.org/jira/browse/SLING-4867
> Project: Sling
> Issue Type: Bug
> Components: Installer
> Affects Versions: Installer Core 3.6.6
> Reporter: Julian Sedding
>
> There was a Jenkins test failure\[0\] due to the following exception. This
> looks like {{EntityResourceList}} should be thread-safe.
> [~cziegeler], I took the liberty to assign the issue to you. Hope that's ok.
> {noformat}
> Exception in thread "OsgiInstallerImpl"
> java.util.ConcurrentModificationException
> at java.util.ArrayList.sort(ArrayList.java:1456)
> at java.util.Collections.sort(Collections.java:141)
> at
> org.apache.sling.installer.core.impl.EntityResourceList.getActiveResource(EntityResourceList.java:125)
> at
> org.apache.sling.installer.factories.configuration.impl.ConfigTaskCreator.createTask(ConfigTaskCreator.java:71)
> at
> org.apache.sling.installer.core.impl.OsgiInstallerImpl.getTask(OsgiInstallerImpl.java:632)
> at
> org.apache.sling.installer.core.impl.OsgiInstallerImpl.computeTasks(OsgiInstallerImpl.java:612)
> at
> org.apache.sling.installer.core.impl.OsgiInstallerImpl.run(OsgiInstallerImpl.java:262)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> \[0\] https://builds.apache.org/job/sling-trunk-1.8/1292/
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