[jira] Created: (HBASE-2715) Concise error message when attempting to connect to ZK on the wrong port

["Jeff Hammerbacher (JIRA)" <ji...@apache.org>]

Concise error message when attempting to connect to ZK on the wrong port
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                 Key: HBASE-2715
                 URL: https://issues.apache.org/jira/browse/HBASE-2715
             Project: HBase
          Issue Type: Improvement
          Components: zookeeper
            Reporter: Jeff Hammerbacher


If we try to connect to ZK running on the wrong port, we generate a lot of spew: http://gist.github.com/434943. It would be good to catch this case and suggest to the user why things may have gone wrong (e.g. you've tried to connect to the wrong port for ZK) and how to check if ZK is actually running on that port (e.g. {{echo 'ruok' | nc localhost 2181}})

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