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https://issues.apache.org/jira/browse/YARN-5723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15611032#comment-15611032
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Zoltán Zvara commented on YARN-5723:
------------------------------------
It could be, I'm going to update my test cluster to include the fix for
YARN-4767 as well.
> 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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