[YARN-5403] yarn top command does not execute correct

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.7.2
• Component/s: yarn
• Assignee: Unassigned
• Reporter: gu-chi
• Created: 19/Jul/16 12:11
• Updated: 26/Sep/16 05:21
• Resolved: 26/Sep/16 05:21

Description

when execute yarn top, I always get exception as below:

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

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

Issue Links

• is duplicated by: YARN-4232 TopCLI console support for HA mode