[ https://issues.apache.org/jira/browse/JCR-1148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12531022 ]
efranqueiro edited comment on JCR-1148 at 9/28/07 7:34 AM: ------------------------------------------------------------------ This issue is the same one Pablo mentioned in JCR-935. Are you using the fine grained locking strategy? Because in our testing this happened when using it. was (Author: efranqueiro): This issue is related to JCR-935. > NullPointerException in ItemState > --------------------------------- > > Key: JCR-1148 > URL: https://issues.apache.org/jira/browse/JCR-1148 > Project: Jackrabbit > Issue Type: Bug > Components: jackrabbit-core > Affects Versions: 1.3 > Reporter: Martijn Hendriks > > 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) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.