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https://issues.apache.org/jira/browse/YARN-4232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15144586#comment-15144586
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Sunil G commented on YARN-4232:
-------------------------------
[~bibinchundatt]
Thanks for working on this.
One question here, why are we moving out of web service implementation and use
protocol way? Is it only bcz we are not able to get a proper redirection from
standby OR we could not even contact RM from this client in the mentioned 2
cases.?
> TopCLI console support for HA mode
> ----------------------------------
>
> Key: YARN-4232
> URL: https://issues.apache.org/jira/browse/YARN-4232
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Priority: Minor
> Attachments: 0001-YARN-4232.patch, 0002-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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