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Subject: NPE in ConcurrentCache
Date: Wed, 26 Jan 2011 14:18:01 -0500
Message-ID: <A154A89F8632B44599CC8B99F86F50F2018267B0@crexc42p>
Thread-Topic: NPE in ConcurrentCache
Thread-Index: Acu9jb+9cfLSOMQPS2GwTNZWIW1eTA==
From: "PALMER, THOMAS C (ATTCORP)" <TP3310@att.com>
To: <users@jackrabbit.apache.org>

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We're getting the following error when trying to load nodes into a newly
created repository.  This is an Oracle repository and Jackrabbit 2.2.1.
We're loading nodes via session.importXML and then calling
session.getRootNode().accept() with a visitor that adjusts some
versioning information on the nodes.

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java.lang.NullPointerException

        at
org.apache.jackrabbit.core.cache.ConcurrentCache$E.access$000(Concurrent
Cache.java:47)

        at
org.apache.jackrabbit.core.cache.ConcurrentCache$1.removeEldestEntry(Con
currentCache.java:70)

        at java.util.LinkedHashMap.putImpl(LinkedHashMap.java:409)

        at java.util.LinkedHashMap.put(LinkedHashMap.java:370)

        at
org.apache.jackrabbit.core.cache.ConcurrentCache.shrinkIfNeeded(Concurre
ntCache.java:249)

        at
org.apache.jackrabbit.core.cache.ConcurrentCache.put(ConcurrentCache.jav
a:176)

        at
org.apache.jackrabbit.core.state.MLRUItemStateCache.cache(MLRUItemStateC
ache.java:83)

        at
org.apache.jackrabbit.core.state.ItemStateReferenceCache.cache(ItemState
ReferenceCache.java:169)

        at
org.apache.jackrabbit.core.state.LocalItemStateManager.getNodeState(Loca
lItemStateManager.java:111)

        at
org.apache.jackrabbit.core.state.LocalItemStateManager.getItemState(Loca
lItemStateManager.java:172)

        at
org.apache.jackrabbit.core.state.XAItemStateManager.getItemState(XAItemS
tateManager.java:260)

        at
org.apache.jackrabbit.core.state.SessionItemStateManager.getItemState(Se
ssionItemStateManager.java:161)

        at
org.apache.jackrabbit.core.ItemManager.getItemData(ItemManager.java:370)

        at
org.apache.jackrabbit.core.ItemManager.getItemData(ItemManager.java:337)

        at
org.apache.jackrabbit.core.ItemManager.getNode(ItemManager.java:630)

        at
org.apache.jackrabbit.core.LazyItemIterator.prefetchNext(LazyItemIterato
r.java:120)

        at
org.apache.jackrabbit.core.LazyItemIterator.next(LazyItemIterator.java:2
57)

        at
org.apache.jackrabbit.core.LazyItemIterator.nextNode(LazyItemIterator.ja
va:166)

        at
javax.jcr.util.TraversingItemVisitor.visit(TraversingItemVisitor.java:19
1)

        at
org.apache.jackrabbit.core.NodeImpl.accept(NodeImpl.java:1705)

        at
javax.jcr.util.TraversingItemVisitor.visit(TraversingItemVisitor.java:19
1)

        at
org.apache.jackrabbit.core.NodeImpl.accept(NodeImpl.java:1705)

        at
javax.jcr.util.TraversingItemVisitor.visit(TraversingItemVisitor.java:19
1)

        at
org.apache.jackrabbit.core.NodeImpl.accept(NodeImpl.java:1705)

        at
com.att.cms.jcr.util.jcrtool.ToolLoad.loadJcrData(ToolLoad.java:77)

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Any ideas?  Thanks for your help -

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Tom Palmer

Director, Strategic Technology Services

AT&T Hosting & Application Services | 2000 Perimeter Park Drive, Suite
140 | Morrisville, NC 27560

Office: +1 (919) 388-5937 | Mobile: +1 (919) 627-5431

thomas.palmer@att.com <mailto:thomas.palmer@att.com> =20

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