[ 
https://issues.apache.org/jira/browse/HBASE-14734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15511530#comment-15511530
 ] 

Appy commented on HBASE-14734:
------------------------------

Patch isn't touching any of the failing tests. It touches HBaseTestingUtility, 
but only adds a function without changing any existing logic. So the failures 
are totally unrelated.
Still, ran the above timed out tests locally and they passed.
Committing.
{noformat}
-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; 
support was removed in 8.0
Running org.apache.hadoop.hbase.client.TestHCM
^[[DTests run: 24, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 310.58 sec 
- in org.apache.hadoop.hbase.client.TestHCM
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; 
support was removed in 8.0
Running 
org.apache.hadoop.hbase.client.TestIncrementFromClientSideWithCoprocessor
Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 22.301 sec - in 
org.apache.hadoop.hbase.client.TestIncrementFromClientSideWithCoprocessor
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; 
support was removed in 8.0
Running org.apache.hadoop.hbase.client.TestMobCloneSnapshotFromClient
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 113.521 sec - 
in org.apache.hadoop.hbase.client.TestMobCloneSnapshotFromClient
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; 
support was removed in 8.0
Running org.apache.hadoop.hbase.client.TestMultiRespectsLimits
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 24.173 sec - in 
org.apache.hadoop.hbase.client.TestMultiRespectsLimits
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; 
support was removed in 8.0
Running org.apache.hadoop.hbase.client.TestReplicasClient
Tests run: 14, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 254.478 sec - 
in org.apache.hadoop.hbase.client.TestReplicasClient
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; 
support was removed in 8.0
Running 
org.apache.hadoop.hbase.client.TestRestoreSnapshotFromClientWithRegionReplicas
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 94.408 sec - in 
org.apache.hadoop.hbase.client.TestRestoreSnapshotFromClientWithRegionReplicas
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; 
support was removed in 8.0
Running org.apache.hadoop.hbase.client.TestSnapshotMetadata
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 37.885 sec - in 
org.apache.hadoop.hbase.client.TestSnapshotMetadata

Results :

Tests run: 61, Failures: 0, Errors: 0, Skipped: 1
{noformat}

> BindException when setting up MiniKdc
> -------------------------------------
>
>                 Key: HBASE-14734
>                 URL: https://issues.apache.org/jira/browse/HBASE-14734
>             Project: HBase
>          Issue Type: Sub-task
>          Components: flakey, test
>            Reporter: stack
>            Assignee: Appy
>         Attachments: HBASE-14734.master.001.patch
>
>
> Root cause : Port for kdc service gets selected in the constructor, but we 
> bind to it later in MiniKdc.start()-->MiniKdc.initKDCServer() --> 
> KdcServer.start(). In meantime, some other service can capture the port which 
> results in BindException. The solution here is to catch the exception and 
> retry.
> From 
> https://builds.apache.org/view/H-L/view/HBase/job/HBase-1.2/330/jdk=latest1.7,label=Hadoop/testReport/junit/org.apache.hadoop.hbase.security.token/TestGenerateDelegationToken/org_apache_hadoop_hbase_security_token_TestGenerateDelegationToken/
> Error Message
> Address already in use
> Stacktrace
> java.net.BindException: Address already in use
>       at sun.nio.ch.Net.bind0(Native Method)
>       at sun.nio.ch.Net.bind(Net.java:444)
>       at sun.nio.ch.Net.bind(Net.java:436)
>       at 
> sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
>       at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
>       at 
> org.apache.mina.transport.socket.nio.NioSocketAcceptor.open(NioSocketAcceptor.java:198)
>       at 
> org.apache.mina.transport.socket.nio.NioSocketAcceptor.open(NioSocketAcceptor.java:51)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoAcceptor.registerHandles(AbstractPollingIoAcceptor.java:547)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoAcceptor.access$400(AbstractPollingIoAcceptor.java:68)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoAcceptor$Acceptor.run(AbstractPollingIoAcceptor.java:422)
>       at 
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>       at java.lang.Thread.run(Thread.java:745)
> Can this utility be made to not fail if address taken? Try another?



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