[ 
https://issues.apache.org/jira/browse/HBASE-14734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15018546#comment-15018546
 ] 

stack commented on HBASE-14734:
-------------------------------

Thanks [~apurtell] Would it help if we picked a random port? Do you think the 
incidence of clash would go down? It is pretty rare at the moment but it 
regular enough.

(Not sure why history is showing it having run once only)

https://builds.apache.org/view/H-L/view/HBase/job/HBase-1.3/lastCompletedBuild/jdk=latest1.7,label=Hadoop/testReport/org.apache.hadoop.hbase.security.token/TestGenerateDelegationToken/org_apache_hadoop_hbase_security_token_TestGenerateDelegationToken/history/


We see it again here:

https://builds.apache.org/view/H-L/view/HBase/job/HBase-1.3/lastCompletedBuild/jdk=latest1.7,label=Hadoop/testReport/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:463)
        at sun.nio.ch.Net.bind(Net.java:455)
        at 
sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        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)

> TestGenerateDelegationToken fails with BindAddress clash
> --------------------------------------------------------
>
>                 Key: HBASE-14734
>                 URL: https://issues.apache.org/jira/browse/HBASE-14734
>             Project: HBase
>          Issue Type: Bug
>          Components: flakey, test
>            Reporter: stack
>
> 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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