Karl Pauls created SLING-7371:
---------------------------------
Summary: 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}
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