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https://issues.apache.org/jira/browse/HADOOP-6528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12856423#action_12856423
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Greg Wilkins commented on HADOOP-6528:
--------------------------------------

I'm still pondering this one... and still can't think of an explanation other 
than something in hadoop is calling close.

I've attached a patch to http://jira.codehaus.org/browse/JETTY-748 that changes 
the way localPort is handled:
Instead of calling socket.getLocalPort() when connector.getLocalPort() is 
called, this patch calls socket.getLocalPort() in the open method and holds the 
result in a volatile int. If close is called, the int is set to -2, so this 
will tell us if the port has not been opened, or has been closed before it was 
used. 

This patch is not yet in a release, but if somebody has a setup where this 
problem occurs, then  we can produce a snapshot build for you to test against.

 



> Jetty returns -1 resulting in Hadoop masters / slaves to fail during startup.
> -----------------------------------------------------------------------------
>
>                 Key: HADOOP-6528
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6528
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Hemanth Yamijala
>         Attachments: jetty-server-failure.log
>
>
> A recent test failure on Hudson seems to indicate that Jetty's 
> Server.getConnectors()[0].getLocalPort() is returning -1 in the 
> HttpServer.getPort() method. When this happens, Hadoop masters / slaves that 
> use Jetty fail to startup correctly.

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