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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