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From "Jonathan Hurley (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AMBARI-10021) Python Does Not Close Alert TCP Connections Reliably
Date Wed, 11 Mar 2015 18:55:38 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-10021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hurley resolved AMBARI-10021.
--------------------------------------
    Resolution: Fixed

> Python Does Not Close Alert TCP Connections Reliably
> ----------------------------------------------------
>
>                 Key: AMBARI-10021
>                 URL: https://issues.apache.org/jira/browse/AMBARI-10021
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-agent
>    Affects Versions: 2.0.0
>            Reporter: Jonathan Hurley
>            Assignee: Jonathan Hurley
>            Priority: Critical
>             Fix For: 2.0.0
>
>
> During installs, we've seen a process bound to port 50070. This causes the NN to abort
startup.
> This is with build: 1129
> {noformat}
> root@hdp2-02-01 hdfs]# netstat -anp | grep 50070
> tcp 0 0 192.168.1.141:50070 192.168.1.141:50070 ESTABLISHED 1630/python2.6
> [root@hdp2-02-01 hdfs]# ps aux | grep 1630
> root 1630 2.7 1.0 837364 50508 ? Sl Mar07 114:13 /usr/bin/python2.6
> /usr/lib/python2.6/site-packages/ambari_agent/main.py start restart
> root 16057 0.0 0.0 103252 820 pts/0 S+ 08:54 0:00 grep 1630
> {noformat}
> The NN Log is: 
> {noformat}
> 2015-03-10 08:50:13,046 FATAL namenode.NameNode (NameNode.java:main(1509))
> - Failed to start namenode.
> java.net.BindException: Port in use: 192.168.1.141:50070
> at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:891)
> at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:827)
> at 
> org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer.start(NameNodeHtt
> pServer.java:142)
> at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.ja
> va:703)
> at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:59
> 0)
> at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:762)
> at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:746)
> at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.jav
> a:1438)
> at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1504)
> Caused by: 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.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.ja
> va:216)
> at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:886)
> ... 8 more
> 2015-03-10 08:50:13,056 INFO util.ExitUtil (ExitUtil.java:terminate(124))
> - Exiting with status 1
> 2015-03-10 08:50:13,068 INFO namenode.NameNode (StringUtils.java:run(659))
> - SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down NameNode at
> 192.168.1.141/192.168.1.141
> ************************************************************/
> {noformat}



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