Ted Yu created HBASE-14293:
------------------------------
Summary: 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
>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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