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Íñigo Goiri commented on YARN-8454: ----------------------------------- The full trace is: {code} org.apache.hadoop.yarn.exceptions.YarnRuntimeException: org.apache.hadoop.yarn.server.federation.policies.exceptions.FederationPolicyInitializationException: javax.xml.bind.UnmarshalException: Error creating JSON-based XMLStreamReader - with linked exception: [javax.xml.stream.XMLStreamException: JSON expression can not be empty!] at org.apache.hadoop.yarn.server.router.webapp.FederationInterceptorREST.init(FederationInterceptorREST.java:139) at org.apache.hadoop.yarn.server.router.webapp.RouterWebServices.initializePipeline(RouterWebServices.java:265) at org.apache.hadoop.yarn.server.router.webapp.RouterWebServices.getInterceptorChain(RouterWebServices.java:175) at org.apache.hadoop.yarn.server.router.webapp.RouterWebServices.getClusterMetricsInfo(RouterWebServices.java:333) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 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) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:886) at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:834) at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:795) at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58) at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118) at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.security.http.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:57) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:110) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:644) at org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.doFilter(DelegationTokenAuthenticationFilter.java:304) at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:592) at org.apache.hadoop.yarn.server.security.http.RMAuthenticationFilter.doFilter(RMAuthenticationFilter.java:82) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1440) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) Caused by: org.apache.hadoop.yarn.server.federation.policies.exceptions.FederationPolicyInitializationException: javax.xml.bind.UnmarshalException: Error creating JSON-based XMLStreamReader - with linked exception: [javax.xml.stream.XMLStreamException: JSON expression can not be empty!] at org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo.fromByteBuffer(WeightedPolicyInfo.java:109) at org.apache.hadoop.yarn.server.federation.policies.AbstractConfigurableFederationPolicy.reinitialize(AbstractConfigurableFederationPolicy.java:52) at org.apache.hadoop.yarn.server.federation.policies.manager.AbstractPolicyManager.internalPolicyGetter(AbstractPolicyManager.java:167) at org.apache.hadoop.yarn.server.federation.policies.manager.AbstractPolicyManager.getRouterPolicy(AbstractPolicyManager.java:113) at org.apache.hadoop.yarn.server.federation.policies.RouterPolicyFacade.<init>(RouterPolicyFacade.java:106) at org.apache.hadoop.yarn.server.router.webapp.FederationInterceptorREST.init(FederationInterceptorREST.java:136) ... 59 more Caused by: javax.xml.bind.UnmarshalException: Error creating JSON-based XMLStreamReader - with linked exception: [javax.xml.stream.XMLStreamException: JSON expression can not be empty!] at com.sun.jersey.json.impl.BaseJSONUnmarshaller.createXmlStreamReader(BaseJSONUnmarshaller.java:116) at com.sun.jersey.json.impl.BaseJSONUnmarshaller.unmarshalJAXBElementFromJSON(BaseJSONUnmarshaller.java:108) at com.sun.jersey.json.impl.BaseJSONUnmarshaller.unmarshalFromJSON(BaseJSONUnmarshaller.java:97) at org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo.fromByteBuffer(WeightedPolicyInfo.java:105) ... 64 more Caused by: javax.xml.stream.XMLStreamException: JSON expression can not be empty! at com.sun.jersey.json.impl.Stax2JsonFactory.ensureNonEmptyReader(Stax2JsonFactory.java:168) at com.sun.jersey.json.impl.Stax2JsonFactory.createReader(Stax2JsonFactory.java:117) at com.sun.jersey.json.impl.Stax2JsonFactory.createReader(Stax2JsonFactory.java:111) at com.sun.jersey.json.impl.BaseJSONUnmarshaller.createXmlStreamReader(BaseJSONUnmarshaller.java:113) ... 67 more 2018-06-22 11:22:53,803 ERROR [563401855@qtp-1716093734-7] org.apache.hadoop.yarn.webapp.Dispatcher: error handling URI: /cluster java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.yarn.webapp.Dispatcher.service(Dispatcher.java:183) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263) at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178) at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62) at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:900) at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:834) at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:795) at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58) at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118) at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.security.http.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:57) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:110) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:644) at org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.doFilter(DelegationTokenAuthenticationFilter.java:304) at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:592) at org.apache.hadoop.yarn.server.security.http.RMAuthenticationFilter.doFilter(RMAuthenticationFilter.java:82) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1440) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) Caused by: java.lang.NullPointerException at org.apache.hadoop.yarn.server.router.webapp.AboutBlock.render(AboutBlock.java:67) at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:69) at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:79) at org.apache.hadoop.yarn.webapp.View.render(View.java:239) at org.apache.hadoop.yarn.webapp.view.HtmlPage$Page.subView(HtmlPage.java:49) at org.apache.hadoop.yarn.webapp.hamlet.HamletImpl$EImp._v(HamletImpl.java:117) at org.apache.hadoop.yarn.webapp.hamlet.Hamlet$TD._(Hamlet.java:848) at org.apache.hadoop.yarn.webapp.view.TwoColumnLayout.render(TwoColumnLayout.java:71) at org.apache.hadoop.yarn.webapp.view.HtmlPage.render(HtmlPage.java:82) at org.apache.hadoop.yarn.webapp.Controller.render(Controller.java:218) at org.apache.hadoop.yarn.server.router.webapp.RouterController.index(RouterController.java:38) ... 48 more {code} > WeightedLocalityPolicyManager should manage empty configurations > ---------------------------------------------------------------- > > Key: YARN-8454 > URL: https://issues.apache.org/jira/browse/YARN-8454 > Project: Hadoop YARN > Issue Type: Improvement > Affects Versions: 2.9.1 > Reporter: Íñigo Goiri > Assignee: Giovanni Matteo Fumarola > Priority: Major > > Currently, setting WeightedLocalityPolicyManager to use the default settings > in federation will trigger an exception trying to parse an empty string. This > error should be reported properly. In addition, the UI breaks when this > happens. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org