Hi Running slider 0.92 on CDH 5.5.1 (which is Hadoop 2.6), with Kerberos
I am deploying a application with multiple components. The components start but fail to heart beat to slider AM. The slider AM log shows NPE at container heartbeat URLs as below. I have attached the complete slider AM log 2017-04-12 00:44:05,741 [2011871076@qtp-814377348-5] INFO agent.AgentProviderService - Handling registration: responseId=-1 timestamp=1491957845550 label=container_e95_1476898378926_91401_01_000003___solo___super hostname=node1078 expectedState=INIT actualState=INIT appVersion=null 2017-04-12 00:44:05,741 [2011871076@qtp-814377348-5] INFO agent.AgentProviderService - label: container_e95_1476898378926_91401_01_000003___solo___super pkg: null 2017-04-12 00:44:05,741 [2011871076@qtp-814377348-5] INFO agent.AgentProviderService - Registration response: RegistrationResponse{response=OK, responseId=0, statusCommands=null} 2017-04-12 00:44:05,871 [Socket Reader #1 for port 32120] INFO ipc.Server - Auth successful for slideradmin@BIGDATA (auth:SIMPLE) 2017-04-12 00:44:05,873 [Socket Reader #1 for port 32120] INFO authorize.ServiceAuthorizationManager - Authorization successful for slideradmin@BIGDATA (auth:TOKEN) for protocol=interface org.apache.slider.server.appmaster.rpc.SliderClusterProtocolPB 2017-04-12 00:44:15,749 [1005856666@qtp-814377348-7] ERROR mortbay.log - /ws/v1/slider/agents/container_e95_1476898378926_91401_01_000002___pdx__svt___ten85/heartbeat java.lang.NullPointerException at org.apache.slider.providers.agent.AgentProviderService.handleHeartBeat(AgentProviderService.java:1090) at org.apache.slider.server.appmaster.web.rest.agent.AgentResource.heartbeat(AgentResource.java:98) 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:497) 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.SubLocatorRule.accept(SubLocatorRule.java:134) 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.service(ServletContainer.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) 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$RequestHandler.content(HttpConnection.java:945) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) 2017-04-12 00:44:15,750 [2011871076@qtp-814377348-5] ERROR mortbay.log - /ws/v1/slider/agents/container_e95_1476898378926_91401_01_000004___pdx__svt___ten83/heartbeat java.lang.NullPointerException ....