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https://issues.apache.org/jira/browse/YARN-5314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15363927#comment-15363927
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Karam Singh commented on YARN-5314:
-----------------------------------
When WS response ATS from was Internal Server Error (e.g.
TEZ_VERTEX_ID/<vertex_id> error: Internal server error): On ATS logs it also
threw ConcurrentModificationException e.g.
2016-06-24 18:37:21,281 [679114143@qtp-2027837674-97] WARN
org.apache.hadoop.yarn.webapp.GenericExceptionHandler: INTERNAL_SERVER_ERROR
javax.ws.rs.WebApplicationException: java.util.ConcurrentModificationException
at
org.apache.hadoop.yarn.server.timeline.webapp.TimelineWebServices.getEntity(TimelineWebServices.java:166)
at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
at
com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:185)
at
com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
at
com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288)
at
com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
at
com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
at
com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
at
com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
at
com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469)
at
com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400)
at
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349)
> ConcurrentModificationException in ATS
> --------------------------------------
>
> Key: YARN-5314
> URL: https://issues.apache.org/jira/browse/YARN-5314
> Project: Hadoop YARN
> Issue Type: Bug
> Components: timelineserver
> Affects Versions: 2.8.0, 2.9.0
> Reporter: Karam Singh
>
> ConcurrentModificationException seen in ATS logs while getting Entities in
> ATS log.
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