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https://issues.apache.org/jira/browse/YARN-4367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15010000#comment-15010000
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Robert Kanter commented on YARN-4367:
-------------------------------------
+1 LGTM
> SLS webapp doesn't load
> -----------------------
>
> Key: YARN-4367
> URL: https://issues.apache.org/jira/browse/YARN-4367
> Project: Hadoop YARN
> Issue Type: Bug
> Components: scheduler-load-simulator
> Affects Versions: 2.8.0
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: YARN-4367-branch-2.1.patch, YARN-4367-branch-2.2.patch
>
>
> When I run the SLS, the webapp doesn't load and I see the following error:
> {noformat}
> 15/11/17 15:33:30 INFO resourcemanager.ResourceManager: Using Scheduler:
> org.apache.hadoop.yarn.sls.scheduler.ResourceSchedulerWrapper
> java.lang.NullPointerException
> at org.apache.hadoop.yarn.sls.web.SLSWebApp.<init>(SLSWebApp.java:87)
> at
> org.apache.hadoop.yarn.sls.scheduler.ResourceSchedulerWrapper.initMetrics(ResourceSchedulerWrapper.java:483)
> at
> org.apache.hadoop.yarn.sls.scheduler.ResourceSchedulerWrapper.setConf(ResourceSchedulerWrapper.java:181)
> at
> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:76)
> at
> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:136)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createScheduler(ResourceManager.java:299)
> {noformat}
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