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https://issues.apache.org/jira/browse/JCR-2961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13029756#comment-13029756
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Thomas Mueller commented on JCR-2961:
-------------------------------------
The path is already included in the exception message in some cases:
Exception in thread "main" javax.jcr.InvalidItemStateException: property
/test/x/y: the property cannot be saved because it has been modified externally.
at
org.apache.jackrabbit.core.PropertyImpl.makePersistent(PropertyImpl.java:155)
at
org.apache.jackrabbit.core.ItemSaveOperation.persistTransientItems(ItemSaveOperation.java:835)
at
org.apache.jackrabbit.core.ItemSaveOperation.perform(ItemSaveOperation.java:243)
at
org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:200)
at org.apache.jackrabbit.core.ItemImpl.perform(ItemImpl.java:91)
at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:329)
at
org.apache.jackrabbit.core.session.SessionSaveOperation.perform(SessionSaveOperation.java:57)
at
org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:200)
at org.apache.jackrabbit.core.SessionImpl.perform(SessionImpl.java:360)
at org.apache.jackrabbit.core.SessionImpl.save(SessionImpl.java:800)
But not in all cases. This message looks like a bug:
Exception in thread "main" javax.jcr.InvalidItemStateException: Item cannot be
saved because it has been deleted externally: item.save()
at
org.apache.jackrabbit.core.ItemSaveOperation.getTransientStates(ItemSaveOperation.java:322)
at
org.apache.jackrabbit.core.ItemSaveOperation.perform(ItemSaveOperation.java:98)
at
org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:200)
at org.apache.jackrabbit.core.ItemImpl.perform(ItemImpl.java:91)
at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:329)
at
org.apache.jackrabbit.core.session.SessionSaveOperation.perform(SessionSaveOperation.java:64)
at
org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:200)
at org.apache.jackrabbit.core.SessionImpl.perform(SessionImpl.java:360)
at org.apache.jackrabbit.core.SessionImpl.save(SessionImpl.java:800)
> Improve logging of Session.save() to trace back root cause of externally
> modified nodes
> ---------------------------------------------------------------------------------------
>
> Key: JCR-2961
> URL: https://issues.apache.org/jira/browse/JCR-2961
> Project: Jackrabbit Content Repository
> Issue Type: New Feature
> Reporter: Thomas Mueller
> Assignee: Thomas Mueller
> Priority: Minor
> Fix For: 2.3.0
>
>
> Currently it's very difficult to find the root cause of error like:
> javax.jcr.InvalidItemStateException: <UUID> has been modified externally.
> To better trace back such issues, it would be nice to add DEBUG logging for
> the Session.save() call.
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