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https://issues.apache.org/jira/browse/JCR-1197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12541292
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Przemo Pakulski commented on JCR-1197:
--------------------------------------
Actually ItemManager is notified on ItemState changes (proper methods
stateModifeid, stateDiscarded are called), but those methods do not invalidate
the ItemManager cache.
I tried do evict item from cache in ItemManager by adding single line :
public void stateModified(ItemState modified) {
ItemImpl item = retrieveItem(modified.getId());
if (item != null) {
item.stateModified(modified);
+ evictItem(modified.getId());
}
}
but it doesn't work, seems that observation mechanism (triggered after
disposing transient states, during stateMgr.update) needs this data still to
work properly.
Here is exception, after adding evict() in stateModified method :
Caused by: org.apache.jackrabbit.core.state.ItemStateException: Unable to
resolve path for item:
b0ec45fd-cf39-4ab5-bcd0-a8e95d06008f/{http://www.jcp.org/jcr/1.0}predecessors
at
org.apache.jackrabbit.core.observation.EventStateCollection.getPath(EventStateCollection.java:520)
at
org.apache.jackrabbit.core.observation.EventStateCollection.createEventStates(EventStateCollection.java:385)
at
org.apache.jackrabbit.core.state.SharedItemStateManager$Update.begin(SharedItemStateManager.java:655)
at
org.apache.jackrabbit.core.state.SharedItemStateManager.beginUpdate(SharedItemStateManager.java:826)
at
org.apache.jackrabbit.core.state.SharedItemStateManager.update(SharedItemStateManager.java:856)
at
org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:324)
at
org.apache.jackrabbit.core.state.XAItemStateManager.update(XAItemStateManager.java:313)
at
org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:300)
at
org.apache.jackrabbit.core.state.SessionItemStateManager.update(SessionItemStateManager.java:306)
at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:1244)
> ItemManager cache is getting out of sync
> ----------------------------------------
>
> Key: JCR-1197
> URL: https://issues.apache.org/jira/browse/JCR-1197
> Project: Jackrabbit
> Issue Type: Bug
> Components: jackrabbit-core
> Affects Versions: 1.3.3, 1.4
> Reporter: Przemo Pakulski
> Priority: Critical
> Fix For: 1.4
>
> Attachments: CheckoutFailure.java
>
>
> It seems that ItemManager cache is not maintained correctly. I'm getting
> InvalidItemStateException: 'propertyId' has been modified externally tryin
> restore/checkout versionable nodes in single thread.
> ItemState should be evicted from ItemStateManager cache when modified, it
> seems that status of ItemState is changed to MODIFIED, but itemState remains
> in the cache.
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