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From Zoltán Zvara (JIRA) <j...@apache.org>
Subject [jira] [Created] (YARN-5723) Proxy Server unresponsive after printing 'accessing unchecked' multiple times
Date Wed, 12 Oct 2016 14:53:20 GMT
Zoltán Zvara created YARN-5723:
----------------------------------

             Summary: Proxy Server unresponsive after printing 'accessing unchecked' multiple
times
                 Key: YARN-5723
                 URL: https://issues.apache.org/jira/browse/YARN-5723
             Project: Hadoop YARN
          Issue Type: Bug
          Components: webapp
         Environment: Latest alpha2-SNAPSHOT running in Ubuntu 16.04 Docker containers.
            Reporter: Zoltán Zvara


After the first request to the Proxy Server against Spark 2.0.0 web UI, the following logs
appear:

{{2016-10-12 14:43:54,998 INFO org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet:
dr.who is accessing unchecked http://10.1.1.240:4040 which is the app master GUI of application_1476283324979_0002
owned by Ehnalis
2016-10-12 14:43:55,007 INFO org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet: dr.who
is accessing unchecked http://10.1.1.240:4040 which is the app master GUI of application_1476283324979_0002
owned by Ehnalis
2016-10-12 14:43:55,015 INFO org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet: dr.who
is accessing unchecked http://10.1.1.240:4040 which is the app master GUI of application_1476283324979_0002
owned by Ehnalis
2016-10-12 14:43:55,024 INFO org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet: dr.who
is accessing unchecked http://10.1.1.240:4040 which is the app master GUI of application_1476283324979_0002
owned by Ehnalis
2016-10-12 14:43:55,033 INFO org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet: dr.who
is accessing unchecked http://10.1.1.240:4040 which is the app master GUI of application_1476283324979_0002
owned by Ehnalis
2016-10-12 14:43:55,042 INFO org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet: dr.who
is accessing unchecked http://10.1.1.240:4040 which is the app master GUI of application_1476283324979_0002
owned by Ehnalis
2016-10-12 14:43:55,051 INFO org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet: dr.who
is accessing unchecked http://10.1.1.240:4040 which is the app master GUI of application_1476283324979_0002
owned by Ehnalis
2016-10-12 14:43:55,059 INFO org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet: dr.who
is accessing unchecked http://10.1.1.240:4040 which is the app master GUI of application_1476283324979_0002
owned by Ehnalis}}

The Proxy Server is going to be unresponsive after these messages. If the Proxy Server is
not on a standalone port, but instead with the RM, the default YARN web UI goes unresponsive
as well.



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