[jira] [Created] (OAK-1621) NPE on concurrent session usage

["Marcel Reutegger (JIRA)" <ji...@apache.org>]

Marcel Reutegger created OAK-1621:
-------------------------------------

             Summary: NPE on concurrent session usage
                 Key: OAK-1621
                 URL: https://issues.apache.org/jira/browse/OAK-1621
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: jcr
    Affects Versions: 0.19
            Reporter: Marcel Reutegger
            Assignee: Michael Dürig
             Fix For: 0.20


While running a test I accidentally shared a session and got the following NPE:

{noformat}
java.lang.NullPointerException
at org.apache.jackrabbit.oak.jcr.session.NodeImpl$5.toString(NodeImpl.java:303)
at java.lang.String.valueOf(String.java:2854)
at java.lang.StringBuilder.append(StringBuilder.java:128)
at org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.perform(SessionDelegate.java:271)
at org.apache.jackrabbit.oak.jcr.session.ItemImpl.perform(ItemImpl.java:113)
at org.apache.jackrabbit.oak.jcr.session.NodeImpl.addNode(NodeImpl.java:257)
{noformat}

The toString() of the addNode operation accesses {{nodeAdded}}, which is only initialized towards the end of the operation.

[~mduerig], can you take care of this? I think you recently did some work in this area.



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