[
https://issues.apache.org/jira/browse/YARN-8109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vinod Kumar Vavilapalli resolved YARN-8109.
-------------------------------------------
Resolution: Duplicate
Already fixed by HADOOP-13556. Closing as a dup. Please reopen if that isn't
the case.
> Resource Manager WebApps fails to start due to
> ConcurrentModificationException
> -------------------------------------------------------------------------------
>
> Key: YARN-8109
> URL: https://issues.apache.org/jira/browse/YARN-8109
> Project: Hadoop YARN
> Issue Type: Task
> Reporter: Wangda Tan
> Priority: Major
>
> {code}
> 2018-03-22 04:57:39,289 INFO resourcemanager.ResourceTrackerService
> (ResourceTrackerService.java:nodeHeartbeat(497)) - Node not found resyncing
> ctr-e138-1518143905142-129550-01-000036.hwx.site:25454
> 2018-03-22 04:57:39,294 INFO service.AbstractService
> (AbstractService.java:noteFailure(272)) - Service ResourceManager failed in
> state STARTED; cause: java.util.ConcurrentModificationException
> java.util.ConcurrentModificationException
> at java.util.Hashtable$Enumerator.next(Hashtable.java:1378)
> at
> org.apache.hadoop.conf.Configuration.iterator(Configuration.java:2564)
> at
> org.apache.hadoop.conf.Configuration.getPropsWithPrefix(Configuration.java:2583)
> at
> org.apache.hadoop.yarn.webapp.WebApps$Builder.getConfigParameters(WebApps.java:386)
> at
> org.apache.hadoop.yarn.webapp.WebApps$Builder.build(WebApps.java:334)
> at
> org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:395)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startWepApp(ResourceManager.java:1049)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1152)
> at
> org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1293)
> 2018-03-22 04:57:39,296 INFO ipc.Server (Server.java:stop(2752)) - Stopping
> server on 8050
> 2018-03-22 04:57:39,300 INFO ipc.Server (Server.java:run(932)) - Stopping
> IPC Server listener on 8050
> 2018-03-22 04:57:39,301 INFO ipc.Server (Server.java:run(1069)) - Stopping
> IPC Server Responder
> {code}
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