[YARN-4232] TopCLI console support for HA mode

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.8.0, 3.0.0-alpha2
• Hadoop Flags: Reviewed
• Assignee: Bibin Chundatt
• Reporter: Bibin Chundatt
• Created: 07/Oct/15 07:52
• Updated: 25/Oct/19 20:27
• Resolved: 17/Sep/16 04:39

Description

Steps to reproduce

Start Top command in YARN in HA mode
./yarn top

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

Execute for help while the tool is running press 'h' + Enter while top tool is running

Exception is thrown in console continuously

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)

Issue Links

• duplicates: YARN-5403 yarn top command does not execute correct