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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-8109) Resource Manager WebApps fails to start due to ConcurrentModificationException
Date Mon, 02 Apr 2018 22:10:00 GMT
Wangda Tan created YARN-8109:
--------------------------------

             Summary: 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


{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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