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From Tomek Rękawek (JIRA) <j...@apache.org>
Subject [jira] [Created] (OAK-6294) The "missing" node cache value breaks the DNStore#applyChanges
Date Fri, 02 Jun 2017 09:28:04 GMT
Tomek Rękawek created OAK-6294:
----------------------------------

             Summary: The "missing" node cache value breaks the DNStore#applyChanges
                 Key: OAK-6294
                 URL: https://issues.apache.org/jira/browse/OAK-6294
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: documentmk
    Affects Versions: 1.4.10
            Reporter: Tomek Rękawek
             Fix For: 1.8


In the {{DocumentNodeStore#nodeCache}}, the special object {{missing}} is being used to mark
the node entries that don't exists in the repository.

This object should be unwrapped to {{null}} every time we call {{nodeCache#getIfPresent()}}
method. It's not the case in the applyChanges() method - as a result, we may get a NPE (since
the {{missing.getLastRev() == null}}).



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