Jeroen van Erp created JCR-3468:
-----------------------------------

             Summary: ConcurrentModificationException in BitSetENTCacheImpl
                 Key: JCR-3468
                 URL: https://issues.apache.org/jira/browse/JCR-3468
             Project: Jackrabbit Content Repository
          Issue Type: Bug
          Components: jackrabbit-core
    Affects Versions: 2.2.10
            Reporter: Jeroen van Erp
            Priority: Critical


Irregularly the following ConcurrentModificationException occurs in the logs of 
our application, seems like there is either a sync missing, or a copy to a new 
collection before iterating.

{noformat}
java.util.ConcurrentModificationException: null
at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1100) 
~[na:1.6.0_32]
at java.util.TreeMap$KeyIterator.next(TreeMap.java:1154) ~[na:1.6.0_32]
at 
org.apache.jackrabbit.core.nodetype.BitSetENTCacheImpl.findBest(BitSetENTCacheImpl.java:114)
 ~[jackrabbit-core-2.2.10.jar:2.2.10]
at 
org.apache.jackrabbit.core.nodetype.NodeTypeRegistry.getEffectiveNodeType(NodeTypeRegistry.java:1082)
 ~[jackrabbit-core-2.2.10.jar:2.2.10]
at 
org.apache.jackrabbit.core.nodetype.NodeTypeRegistry.getEffectiveNodeType(NodeTypeRegistry.java:508)
 ~[jackrabbit-core-2.2.10.jar:2.2.10]
at org.apache.jackrabbit.core.NodeImpl.getEffectiveNodeType(NodeImpl.java:776) 
~[jackrabbit-core-2.2.10.jar:2.2.10]
at 
org.apache.jackrabbit.core.NodeImpl.getApplicablePropertyDefinition(NodeImpl.java:826)
 ~[jackrabbit-core-2.2.10.jar:2.2.10]
at org.apache.jackrabbit.core.ItemManager.getDefinition(ItemManager.java:255) 
~[jackrabbit-core-2.2.10.jar:2.2.10]
at org.apache.jackrabbit.core.ItemData.getDefinition(ItemData.java:101) 
~[jackrabbit-core-2.2.10.jar:2.2.10]
at 
org.apache.jackrabbit.core.PropertyData.getPropertyDefinition(PropertyData.java:55)
 ~[jackrabbit-core-2.2.10.jar:2.2.10]
at 
org.apache.jackrabbit.core.PropertyImpl.internalGetValues(PropertyImpl.java:461)
 ~[jackrabbit-core-2.2.10.jar:2.2.10]
at org.apache.jackrabbit.core.PropertyImpl.getValues(PropertyImpl.java:498) 
~[jackrabbit-core-2.2.10.jar:2.2.10]
{noformat}

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