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https://issues.apache.org/jira/browse/HADOOP-15411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suma Shivaprasad updated HADOOP-15411:
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Attachment: HADOOP-15411.1.patch
> 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
> Assignee: Suma Shivaprasad
> Priority: Blocker
> Attachments: HADOOP-15411.1.patch
>
>
> 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}
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