[JCR-1148] NullPointerException in ItemState

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3, 1.3.1, 1.3.3
• Fix Version/s: 1.4
• Component/s: jackrabbit-core
• Assignee: Unassigned
• Reporter: Martijn Hendriks
• Created: 28/Sep/07 11:28
• Updated: 02/Jun/09 12:18
• Resolved: 19/Dec/07 10:41

Description

The following happens quite regularly when multiple threads are adding, retrieving and removing nodes simultaneously. Looking at the code of the pull method, this seems due to under-synchronization somewhere as overlayedState was tested at line 153 for null.

java.lang.NullPointerException
at org.apache.jackrabbit.core.state.ItemState.pull(ItemState.java:156)
at org.apache.jackrabbit.core.state.LocalItemStateManager.stateModified(LocalItemStateManager.java:421)
at org.apache.jackrabbit.core.state.StateChangeDispatcher.notifyStateModified(StateChangeDispatcher.java:85)
at org.apache.jackrabbit.core.state.SharedItemStateManager.stateModified(SharedItemStateManager.java:434)
at org.apache.jackrabbit.core.state.ItemState.notifyStateUpdated(ItemState.java:241)
at org.apache.jackrabbit.core.state.ChangeLog.persisted(ChangeLog.java:271)
at org.apache.jackrabbit.core.state.SharedItemStateManager$Update.end(SharedItemStateManager.java:741)
at org.apache.jackrabbit.core.state.SharedItemStateManager.update(SharedItemStateManager.java:937)
at org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:327)
at org.apache.jackrabbit.core.state.XAItemStateManager.update(XAItemStateManager.java:313)
at org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:303)
at org.apache.jackrabbit.core.state.SessionItemStateManager.update(SessionItemStateManager.java:307)
at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:1374)

Issue Links

• is duplicated by: JCR-2126 Jackrabbit fails for "unexpected error while syncing of journal" and stops responding