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From "Chris Wilkes (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCR-1848) ConcurrentModificationException in SessionItemStateManager when multiple updates happening
Date Wed, 05 Nov 2008 18:53:44 GMT
ConcurrentModificationException in SessionItemStateManager when multiple updates happening

                 Key: JCR-1848
                 URL: https://issues.apache.org/jira/browse/JCR-1848
             Project: Jackrabbit
          Issue Type: Bug
          Components: jackrabbit-core
    Affects Versions: core 1.4.6
            Reporter: Chris Wilkes

I'll post a trimmed down version of how I can get this error to be thrown.  I bring this up
as the code in SessionItemStateManager explicitly checks for a ItemNotFoundException so it
looks like there was some thought put in to what happens if the underlying data changes.

	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
	at java.util.HashMap$ValueIterator.next(HashMap.java:822)
	at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010)
	at org.apache.jackrabbit.core.state.SessionItemStateManager.getDescendantTransientItemStates(SessionItemStateManager.java:405)
	at org.apache.jackrabbit.core.ItemImpl.getTransientStates(ItemImpl.java:317)
	at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:1080)
	at org.apache.jackrabbit.core.SessionImpl.save(SessionImpl.java:897)

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