[jira] [Commented] (MAPREDUCE-6405) NullPointerException in App Attempts page

["Siqi Li (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14590227#comment-14590227 ] 

Siqi Li commented on MAPREDUCE-6405:
------------------------------------

A problem occurs when you access http://rmhost:rmport/proxy/application_1434432414806_0003/mapreduce/attempts/job_1434432414806_0003/m/RUNNING
{code}
2015-06-15 22:46:56,369 ERROR [378354947@qtp-596129348-3] org.apache.hadoop.mapreduce.v2.app.webapp.AppController: Failed to render attempts page with task type : m for job id : job_1434432414806_0003
java.lang.NullPointerException
	at org.apache.hadoop.mapreduce.v2.app.webapp.TaskPage$AttemptsBlock.render(TaskPage.java:74)
	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:69)
	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:79)
	at org.apache.hadoop.yarn.webapp.View.render(View.java:235)
	at org.apache.hadoop.yarn.webapp.view.HtmlPage$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.mapreduce.v2.app.webapp.AppController.attempts(AppController.java:296)
{code}

> NullPointerException in App Attempts page
> -----------------------------------------
>
>                 Key: MAPREDUCE-6405
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6405
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.8.0
>            Reporter: Siqi Li
>




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