[jira] [Created] (ZOOKEEPER-3633) AdminServer commands throw NPE when only secure client port is used

["Mate Szalay-Beko (Jira)" <ji...@apache.org>]

Mate Szalay-Beko created ZOOKEEPER-3633:
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             Summary: AdminServer commands throw NPE when only secure client port is used
                 Key: ZOOKEEPER-3633
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3633
             Project: ZooKeeper
          Issue Type: Bug
    Affects Versions: 3.5.6, 3.5.5
            Reporter: Mate Szalay-Beko
            Assignee: Mate Szalay-Beko
             Fix For: 3.6.0
         Attachments: npe.txt

*thanks for Mike Smotritsky for reporting this bug!*

when only secureClientPort is defined in the config and there is no regular clientPort, then both the {{stat}} and the {{conf}} commands result in 500 Server Error caused by NullPointerExceptions. The problem is that no {{serverCnxFactory}} is defined in the {{ZooKeeperServer}} in this case, we have only {{secureServerCnxnFactory}}.

see the attached stacktraces about the exceptions (reproduced on the current master branch)

The stat and conf admin commands should actually provide info about both secure and unsecure connections, and should handle the case when any of these are missing.



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