[jira] [Created] (OAK-4623) Log more information when null DocumentNodeState is read for a child while fetching children

["Vikas Saurabh (JIRA)" <ji...@apache.org>]

Vikas Saurabh created OAK-4623:
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             Summary: Log more information when null DocumentNodeState is read for a child while fetching children
                 Key: OAK-4623
                 URL: https://issues.apache.org/jira/browse/OAK-4623
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: documentmk
            Reporter: Vikas Saurabh
            Assignee: Vikas Saurabh
            Priority: Minor
             Fix For: 1.6


{{DocumentNodeStore#getChildNodes}} validates node states of children in the returned iterator and throws exception if a child is read as {{null}}.

This is clearly an unexpected case (although, it has been observed in running systems). The more probable cause for such a scenario would be to have inconsistent value in {{nodeChildrenCache}}. It'd be useful to log more information about cache state to help investigating such cases.



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