[jira] [Created] (YARN-4391) Exception is logged while accessing scheduler RM web UI when Node Labels are configured

["Sunil G (JIRA)" <ji...@apache.org>]

Sunil G created YARN-4391:
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             Summary: Exception is logged while accessing scheduler RM web UI when Node Labels are configured
                 Key: YARN-4391
                 URL: https://issues.apache.org/jira/browse/YARN-4391
             Project: Hadoop YARN
          Issue Type: Bug
          Components: webapp
    Affects Versions: 2.7.1
            Reporter: Sunil G
            Assignee: Sunil G


While RM Scheduler Web UI with node label configuration causes an exception from hamlet framework. {{QueuesBlock#render}} has thrown this error as {{nestLevel}} were mis matching. Attaching stack trace.
{noformat}
2015-11-23 20:52:40,249 ERROR org.apache.hadoop.yarn.webapp.Dispatcher: error handling URI: /cluster/scheduler
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.apache.hadoop.yarn.webapp.Dispatcher.service(Dispatcher.java:153)

....
Caused by: org.apache.hadoop.yarn.webapp.WebAppException: Error rendering block: nestLevel=8 expected 5
        at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:71)
        at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:79)
        at org.apache.hadoop.yarn.webapp.View.render(View.java:235)
        at org.apache.hadoop.yarn.webapp.view.HtmlPage$Page.subView(HtmlPage.java:49)
        at org.apache.hadoop.yarn.webapp.hamlet.HamletImpl$EImp._v(HamletImpl.java:117)
        at org.apache.hadoop.yarn.webapp.hamlet.Hamlet$TD._(Hamlet.java:845)
        at org.apache.hadoop.yarn.webapp.view.TwoColumnLayout.render(TwoColumnLayout.java:56)
        at org.apache.hadoop.yarn.webapp.view.HtmlPage.render(HtmlPage.java:82)
        at org.apache.hadoop.yarn.webapp.Controller.render(Controller.java:212)
        at org.apache.hadoop.yarn.server.resourcemanager.webapp.RmController.scheduler(RmController.java:82)
        ... 47 more
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