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Date: Tue, 19 Jul 2016 13:01:20 +0000 (UTC)
From: "gu-chi (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
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Subject: [jira] [Updated] (YARN-5403) yarn top command does not execute
 correct
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archived-at: Tue, 19 Jul 2016 13:01:22 -0000


     [ https://issues.apache.org/jira/browse/YARN-5403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

gu-chi updated YARN-5403:
-------------------------
    Attachment:     (was: YARN-5403.patch)

> yarn top command does not execute correct
> -----------------------------------------
>
>                 Key: YARN-5403
>                 URL: https://issues.apache.org/jira/browse/YARN-5403
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>    Affects Versions: 2.7.2
>            Reporter: gu-chi
>
> when execute {{yarn top}}, I always get exception as below:
> {quote}
> 16/07/19 19:55:12 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:350)
> 	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:1169)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
> 	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
> 	at org.apache.hadoop.yarn.client.cli.TopCLI.getRMStartTime(TopCLI.java:747)
> 	at org.apache.hadoop.yarn.client.cli.TopCLI.run(TopCLI.java:443)
> 	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:421)
> YARN top - 19:55:13, up 17001d, 11:55, 0 active users, queue(s): root
> {quote}
> As I looked into it, the function {{getRMStartTime}} use HTTP as hardcoding no matter what is the {{yarn.http.policy}} setting, should consider if use HTTPS 



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