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From "Jukka Zitting (JIRA)" <j...@apache.org>
Subject [jira] Updated: (JCR-1271) NullPointerException when iterating over properties
Date Wed, 26 Mar 2008 12:03:26 GMT

     [ https://issues.apache.org/jira/browse/JCR-1271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jukka Zitting updated JCR-1271:
-------------------------------

    Fix Version/s: 1.3.4

Merged to the 1.3 branch in revision 641272.

> NullPointerException when iterating over properties
> ---------------------------------------------------
>
>                 Key: JCR-1271
>                 URL: https://issues.apache.org/jira/browse/JCR-1271
>             Project: Jackrabbit
>          Issue Type: Bug
>          Components: jackrabbit-core
>            Reporter: Marcel Reutegger
>            Priority: Minor
>             Fix For: 1.3.4, 1.4
>
>         Attachments: JCR-1271.jz.patch, JCR-1271.patch, JCR-1271.patch, JCR-1271.patch
>
>
> Running ConcurrentReadWriteTest (NUM_NODES=5, NUM_THREADS=3, RUN_NUM_SECONDS=120) resulted
in a NullPointerException:
> Exception in thread "Thread-11" java.lang.NullPointerException
> 	at org.apache.commons.collections.map.AbstractReferenceMap$ReferenceEntry.getValue(AbstractReferenceMap.java:596)
> 	at org.apache.commons.collections.map.AbstractReferenceMap.containsKey(AbstractReferenceMap.java:204)
> 	at org.apache.jackrabbit.core.state.ItemStateMap.contains(ItemStateMap.java:66)
> 	at org.apache.jackrabbit.core.state.ItemStateReferenceCache.isCached(ItemStateReferenceCache.java:91)
> 	at org.apache.jackrabbit.core.state.LocalItemStateManager.hasItemState(LocalItemStateManager.java:173)
> 	at org.apache.jackrabbit.core.state.XAItemStateManager.hasItemState(XAItemStateManager.java:252)
> 	at org.apache.jackrabbit.core.state.SessionItemStateManager.getItemState(SessionItemStateManager.java:174)
> 	at org.apache.jackrabbit.core.ItemManager.createItemInstance(ItemManager.java:495)
> 	at org.apache.jackrabbit.core.ItemManager.getItem(ItemManager.java:326)
> 	at org.apache.jackrabbit.core.LazyItemIterator.prefetchNext(LazyItemIterator.java:90)
> 	at org.apache.jackrabbit.core.LazyItemIterator.next(LazyItemIterator.java:203)
> 	at org.apache.jackrabbit.core.LazyItemIterator.nextProperty(LazyItemIterator.java:118)
> 	at org.apache.jackrabbit.core.ConcurrentReadWriteTest$1$1.execute(ConcurrentReadWriteTest.java:64)
> 	at org.apache.jackrabbit.core.AbstractConcurrencyTest$Executor.run(AbstractConcurrencyTest.java:110)
> 	at java.lang.Thread.run(Thread.java:619)
> The cache is not synchronized and is accessed at the same time by the current thread
and another thread that notified ItemStates about changes.

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