Suma Shivaprasad created HADOOP-15411: -----------------------------------------
Summary: AuthenticationFilter should use Configuration.getPropsWithPrefix instead of iterator Key: HADOOP-15411 URL: https://issues.apache.org/jira/browse/HADOOP-15411 Project: Hadoop Common Issue Type: Bug Reporter: Suma Shivaprasad Node manager start up fails with the following stack trace {code} 2018-04-19 13:08:30,638 ERROR nodemanager.NodeManager (NodeManager.java:initAndStartNodeManager(921)) - Error starting NodeManager org.apache.hadoop.yarn.exceptions.YarnRuntimeException: NMWebapps failed to start. at org.apache.hadoop.yarn.server.nodemanager.webapp.WebServer.serviceStart(WebServer.java:117) at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194) at org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:121) at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194) at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:919) at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:979) Caused by: org.apache.hadoop.yarn.webapp.WebAppException: Error starting http server at org.apache.hadoop.yarn.webapp.WebApps$Builder.build(WebApps.java:377) at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:424) at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:420) at org.apache.hadoop.yarn.server.nodemanager.webapp.WebServer.serviceStart(WebServer.java:112) ... 5 more Caused by: java.io.IOException: java.util.ConcurrentModificationException at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:532) at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:117) at org.apache.hadoop.http.HttpServer2$Builder.build(HttpServer2.java:421) at org.apache.hadoop.yarn.webapp.WebApps$Builder.build(WebApps.java:333) ... 8 more Caused by: java.util.ConcurrentModificationException at java.util.Hashtable$Enumerator.next(Hashtable.java:1383) at org.apache.hadoop.conf.Configuration.iterator(Configuration.java:2853) at org.apache.hadoop.security.AuthenticationFilterInitializer.getFilterConfigMap(AuthenticationFilterInitializer.java:73) at org.apache.hadoop.http.HttpServer2.getFilterProperties(HttpServer2.java:647) at org.apache.hadoop.http.HttpServer2.constructSecretProvider(HttpServer2.java:637) at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:525) ... 11 more 2018-04-19 13:08:30,639 INFO timeline.HadoopTimelineMetricsSink (AbstractTimelineMetricsSink.java:getCurrentCollectorHost(291)) - No live collector to send metrics to. Metrics to be sent will be discarded. This message will be skipped for the next 20 times. {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: common-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-dev-h...@hadoop.apache.org