[jira] [Created] (ZOOKEEPER-4321) Fix the wrong logic of preventing null pointer

[LiAoNan (Jira)]

LiAoNan created ZOOKEEPER-4321:
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             Summary: Fix the wrong logic of preventing null pointer
                 Key: ZOOKEEPER-4321
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4321
             Project: ZooKeeper
          Issue Type: Improvement
          Components: server
            Reporter: LiAoNan






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