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https://issues.apache.org/jira/browse/MNG-6731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16917212#comment-16917212
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Hudson commented on MNG-6731:
-----------------------------

Build unstable in Jenkins: Maven TLP » maven » MNG-6169/MNG-6552 #17

See 
https://builds.apache.org/job/maven-box/job/maven/job/MNG-6169%252FMNG-6552/17/

> Jetty getLocalPort() returns -1 resulting in build failures
> -----------------------------------------------------------
>
>                 Key: MNG-6731
>                 URL: https://issues.apache.org/jira/browse/MNG-6731
>             Project: Maven
>          Issue Type: Bug
>          Components: Integration Tests
>            Reporter: Tibor Digana
>            Assignee: Tibor Digana
>            Priority: Major
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> We observed sporadic errors [1] fir the project {{core-its}} on Jenkins.
> So I started haveing a look and I say the JavaDoc of the method 
> {{getlocalPort}} saying that {{-1}} is returned if the connector is not open. 
> So I decided to use [2] and wait until the server is up. This was of course 
> wrong because the status of the server is set to {{STARTED}} immediatelly 
> after the method {{Server.start()}}. So therefore I was googling a little bit 
> and I found that Hadoop [3] had this problem too in 2010. Whole problem was 
> with a bug in Jetty server which is {{race condition}}. The article has a 
> link to Jetty's Jira with reported bug {{JETTY-748}}. According to the 
> annoucements [4] from Eclipse/Jetty, the bug  "{{JETTY-748 Prevent race close 
> of socket by old acceptor threads}}" was fixed in the version 
> {{jetty-7.2.1.v20101111}}. So I decided to use that version but I found that 
> the class {{HashUserRealm}} was deleted and there is no support and no 
> further development of {{org.mortbay}}. Eclipse continues with the 
> development of Jerry 9.
> All I did in this issue was to rewrite 38 integration tests to Jetty 9 API 
> and the fix for {{JETTY-748}} is right there.
> [1]:
> Error message in logs: [WARNING] Could not transfer metadata 
> org.apache.maven.its.mng4554/maven-metadata.xml from/to central 
> (http://localhost:-1/repo-1): Connect to localhost:80 [localhost/127.0.0.1, 
> localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect
> [2]:
> {code:java}
>         while ( !server.isRunning() || !server.isStarted() )
>         {
>             if ( server.isFailed() )
>             {
>                 fail( "Couldn't bind the server socket to a free port!" );
>             }
>             Thread.sleep( 100L );
>         }
> {code}
> [3]:
> https://www.bountysource.com/issues/987313-jetty-returns-1-resulting-in-hadoop-masters-slaves-to-fail-during-startup
> [4]:
> https://www.eclipse.org/lists/jetty-dev/msg00537.html



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