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From "Bibin A Chundatt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4232) TopCLI console shows exceptions for help command
Date Tue, 29 Dec 2015 13:29:49 GMT

    [ https://issues.apache.org/jira/browse/YARN-4232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15073901#comment-15073901
] 

Bibin A Chundatt commented on YARN-4232:
----------------------------------------

Hi [~rohithsharma]
Could you please review the same. 


> TopCLI console shows exceptions  for help command
> -------------------------------------------------
>
>                 Key: YARN-4232
>                 URL: https://issues.apache.org/jira/browse/YARN-4232
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Minor
>         Attachments: 0001-YARN-4232.patch
>
>
> *Steps to reproduce*
> Start Top command in YARN in HA mode
> ./yarn top
> {noformat}
> usage: yarn top
>  -cols <arg>     Number of columns on the terminal
>  -delay <arg>    The refresh delay(in seconds), default is 3 seconds
>  -help           Print usage; for help while the tool is running press 'h'
>                  + Enter
>  -queues <arg>   Comma separated list of queues to restrict applications
>  -rows <arg>     Number of rows on the terminal
>  -types <arg>    Comma separated list of types to restrict applications,
>                  case sensitive(though the display is lower case)
>  -users <arg>    Comma separated list of users to restrict applications
> {noformat}
> Execute *for help while the tool is running press 'h'  + Enter* while top tool is running
> Exception is thrown in console continuously
> {noformat}
> 15/10/07 14:59:28 ERROR cli.TopCLI: Could not fetch RM start time
> java.net.ConnectException: Connection refused
>         at java.net.PlainSocketImpl.socketConnect(Native Method)
>         at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
>         at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:204)
>         at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
>         at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>         at java.net.Socket.connect(Socket.java:589)
>         at java.net.Socket.connect(Socket.java:538)
>         at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
>         at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
>         at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
>         at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
>         at sun.net.www.http.HttpClient.New(HttpClient.java:308)
>         at sun.net.www.http.HttpClient.New(HttpClient.java:326)
>         at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1168)
>         at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1104)
>         at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:998)
>         at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:932)
>         at org.apache.hadoop.yarn.client.cli.TopCLI.getRMStartTime(TopCLI.java:742)
>         at org.apache.hadoop.yarn.client.cli.TopCLI.run(TopCLI.java:467)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
>         at org.apache.hadoop.yarn.client.cli.TopCLI.main(TopCLI.java:420)
> {noformat}



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