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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14293) TestStochasticBalancerJmxMetrics intermittently fails due to port conflict
Date Mon, 24 Aug 2015 16:14:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709530#comment-14709530
] 

Ted Yu commented on HBASE-14293:
--------------------------------

Thanks for the review, Lei.

> TestStochasticBalancerJmxMetrics intermittently fails due to port conflict
> --------------------------------------------------------------------------
>
>                 Key: HBASE-14293
>                 URL: https://issues.apache.org/jira/browse/HBASE-14293
>             Project: HBase
>          Issue Type: Test
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: 14293-v1.txt, 14293-v2.txt, 14293-v3.txt
>
>
> From https://builds.apache.org/job/HBase-TRUNK/6748/testReport/junit/org.apache.hadoop.hbase/TestStochasticBalancerJmxMetrics/testJmxMetrics_EnsembleMode/
:
> {code}
> 2015-08-22 20:46:07,939 ERROR [M:0;asf900:59022] coprocessor.CoprocessorHost(518): The
coprocessor org.apache.hadoop.hbase.JMXListener threw java.rmi.server.ExportException: Port
already in use: 61120; nested exception is: 
> 	java.net.BindException: Address already in use
> java.rmi.server.ExportException: Port already in use: 61120; nested exception is: 
> 	java.net.BindException: Address already in use
> 	at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:329)
> 	at sun.rmi.transport.tcp.TCPTransport.exportObject(TCPTransport.java:237)
> 	at sun.rmi.transport.tcp.TCPEndpoint.exportObject(TCPEndpoint.java:411)
> ...
> 2015-08-22 20:49:41,755 DEBUG [main] hbase.TestStochasticBalancerJmxMetrics(93): Encountered
exception when starting cluster. Trying port 61122
> java.lang.IllegalStateException: A mini-cluster is already running
> 	at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster(HBaseTestingUtility.java:981)
> 	at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster(HBaseTestingUtility.java:872)
> 	at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster(HBaseTestingUtility.java:866)
> 	at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster(HBaseTestingUtility.java:810)
> 	at org.apache.hadoop.hbase.TestStochasticBalancerJmxMetrics.setupBeforeClass(TestStochasticBalancerJmxMetrics.java:89)
> {code}
> When port conflict is detected, we try the next port.
> However, HTU#miniClusterRunning is true by this moment, leading to the second exception
shown above.



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