[
https://issues.apache.org/jira/browse/SLING-7371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16320621#comment-16320621
]
ASF GitHub Bot commented on SLING-7371:
---------------------------------------
karlpauls closed pull request #2: SLING-7371: synchronize access to the
handlers inside ResourceProvide…
URL: https://github.com/apache/sling-org-apache-sling-resourceresolver/pull/2
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
> ResourceProviderTracker.updateProviderContext can cause
> ConcurrentModificationException
> ---------------------------------------------------------------------------------------
>
> Key: SLING-7371
> URL: https://issues.apache.org/jira/browse/SLING-7371
> Project: Sling
> Issue Type: Bug
> Components: ResourceResolver
> Affects Versions: Resource Resolver 1.5.32
> Reporter: Karl Pauls
> Assignee: Karl Pauls
> Fix For: Resource Resolver 1.5.34
>
>
> The updateProviderContext method accesses the "handler" member outside of a
> "synchronized (this.handler)" block which can lead to a
> ConcurrentModificationException similar to:
> {noformat}
> java.util.ConcurrentModificationException: null
> at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442)
> at java.util.HashMap$KeyIterator.next(HashMap.java:1466)
> at
> org.apache.sling.resourceresolver.impl.providers.ResourceProviderTracker.updateProviderContext(ResourceProviderTracker.java:484)
> at
> org.apache.sling.resourceresolver.impl.providers.ResourceProviderTracker.activate(ResourceProviderTracker.java:352)
> at
> org.apache.sling.resourceresolver.impl.providers.ResourceProviderTracker.register(ResourceProviderTracker.java:190)
> at
> org.apache.sling.resourceresolver.impl.providers.ResourceProviderTracker.access$200(ResourceProviderTracker.java:59)
> at
> org.apache.sling.resourceresolver.impl.providers.ResourceProviderTracker$1.addingService(ResourceProviderTracker.java:130)
> at
> org.apache.sling.resourceresolver.impl.providers.ResourceProviderTracker$1.addingService(ResourceProviderTracker.java:106)
> at
> org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:941)
> at
> org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:870)
> at
> org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
> at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:229)
> at
> org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:901)
> {noformat}
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
