Hi, Recently we are experiencing RM crashes and we see the following error in the log:   Received a org.apache.hadoop.yarn.server.resourcemanager.RMFatalEvent of type STATE_STORE_OP_FAILED. Cause: org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss     at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)     at org.apache.zookeeper.ZooKeeper.multiInternal(ZooKeeper.java:931)     at org.apache.zookeeper.ZooKeeper.multi(ZooKeeper.java:911)     at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$4.run(ZKRMStateStore.java:930)     at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$4.run(ZKRMStateStore.java:927)     at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithCheck(ZKRMStateStore.java:1069)     at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithRetries(ZKRMStateStore.java:1088)     at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doMultiWithRetries(ZKRMStateStore.java:927)     We also get a lot of these exceptions in the Resource Manager log: java.io.IOException: Broken pipe         at sun.nio.ch.FileDispatcherImpl.write0(Native Method)         at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)         at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)         at sun.nio.ch.IOUtil.write(IOUtil.java:65)         at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:487)         at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:117)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:355)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) 2015-04-30 22:53:51,669 INFO org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore: Exception while executing a ZK operation. org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /rmstore/ZKRMStateRoot/RMDTSecretManagerRoot/RMDelegationTokensRoot/RMDelegationToken_57967         at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)         at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)         at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)         at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1069)         at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$8.run(ZKRMStateStore.java:999)         at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$8.run(ZKRMStateStore.java:996)         at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithCheck(ZKRMStateStore.java:1069)         at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithRetries(ZKRMStateStore.java:1088)         at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.existsWithRetries(ZKRMStateStore.java:996)         at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.removeRMDelegationTokenState(ZKRMStateStore.java:737)         at org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.removeRMDelegationToken(RMStateStore.java:668)         at org.apache.hadoop.yarn.server.resourcemanager.security.RMDelegationTokenSecretManager.removeStoredToken(RMDelegationTokenSecretManager.java:142)         at org.apache.hadoop.yarn.server.resourcemanager.security.RMDelegationTokenSecretManager.removeStoredToken(RMDelegationTokenSecretManager.java:49)         at org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.removeExpiredToken(AbstractDelegationTokenSecretManager.java:605)         at org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.access$400(AbstractDelegationTokenSecretManager.java:54)         at org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager$ExpiredTokenRemover.run(AbstractDelegationTokenSecretManager.java:656)         at java.lang.Thread.run(Thread.java:745)   Network is fine it terms of errors/packet drops CPU usage is very low on ZK servers. We are using CDH 5.3.1.   Thank you, Michael. ... View more

A server error has occurred. Send the following information to Cloudera. Path: http://172.28.1.43:7180/cmf/services/landingPageStatusContent Version: Cloudera Express 5.1.1 (#82 built by jenkins on 20140725-1608 git: cb9ebb729efc7929e1968b23dc6cf776086e20a7) com.cloudera.enterprise.JsonUtil$JsonRuntimeException:org.codehaus.jackson.map.JsonMappingException: (was java.lang.NullPointerException) (through reference chain: com.google.common.collect.RegularImmutableList[1]->com.cloudera.server.cmf.actionables.Actionable["details"]) at JsonUtil.java line 197 in com.cloudera.enterprise.JsonUtil valueAsString() Stack Trace: JsonUtil.java line 197 in com.cloudera.enterprise.JsonUtil valueAsString() JsonUtil.java line 184 in com.cloudera.enterprise.JsonUtil valueAsString() LandingPageController.java line 459 in com.cloudera.server.web.cmf.LandingPageController servicesTable() NativeMethodAccessorImpl.java line -2 in sun.reflect.NativeMethodAccessorImpl invoke0() NativeMethodAccessorImpl.java line 57 in sun.reflect.NativeMethodAccessorImpl invoke() DelegatingMethodAccessorImpl.java line 43 in sun.reflect.DelegatingMethodAccessorImpl invoke() Method.java line 606 in java.lang.reflect.Method invoke() HandlerMethodInvoker.java line 176 in org.springframework.web.bind.annotation.support.HandlerMethodInvoker invokeHandlerMethod() AnnotationMethodHandlerAdapter.java line 436 in org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter invokeHandlerMethod() AnnotationMethodHandlerAdapter.java line 424 in org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter handle() DispatcherServlet.java line 790 in org.springframework.web.servlet.DispatcherServlet doDispatch() DispatcherServlet.java line 719 in org.springframework.web.servlet.DispatcherServlet doService() FrameworkServlet.java line 669 in org.springframework.web.servlet.FrameworkServlet processRequest() FrameworkServlet.java line 585 in org.springframework.web.servlet.FrameworkServlet doPost() HttpServlet.java line 595 in javax.servlet.http.HttpServlet service() HttpServlet.java line 668 in javax.servlet.http.HttpServlet service() ServletHolder.java line 511 in org.mortbay.jetty.servlet.ServletHolder handle() ServletHandler.java line 1221 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() UserAgentFilter.java line 78 in org.mortbay.servlet.UserAgentFilter doFilter() GzipFilter.java line 131 in org.mortbay.servlet.GzipFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() JAMonServletFilter.java line 48 in com.jamonapi.http.JAMonServletFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() JavaMelodyFacade.java line 109 in com.cloudera.enterprise.JavaMelodyFacade$MonitoringFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() FilterChainProxy.java line 311 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() FilterSecurityInterceptor.java line 116 in org.springframework.security.web.access.intercept.FilterSecurityInterceptor invoke() FilterSecurityInterceptor.java line 83 in org.springframework.security.web.access.intercept.FilterSecurityInterceptor doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() ExceptionTranslationFilter.java line 113 in org.springframework.security.web.access.ExceptionTranslationFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() SessionManagementFilter.java line 101 in org.springframework.security.web.session.SessionManagementFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() AnonymousAuthenticationFilter.java line 113 in org.springframework.security.web.authentication.AnonymousAuthenticationFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() RememberMeAuthenticationFilter.java line 146 in org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() SecurityContextHolderAwareRequestFilter.java line 54 in org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() RequestCacheAwareFilter.java line 45 in org.springframework.security.web.savedrequest.RequestCacheAwareFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() AbstractAuthenticationProcessingFilter.java line 182 in org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() LogoutFilter.java line 105 in org.springframework.security.web.authentication.logout.LogoutFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() SecurityContextPersistenceFilter.java line 87 in org.springframework.security.web.context.SecurityContextPersistenceFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() ConcurrentSessionFilter.java line 125 in org.springframework.security.web.session.ConcurrentSessionFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() FilterChainProxy.java line 173 in org.springframework.security.web.FilterChainProxy doFilter() DelegatingFilterProxy.java line 237 in org.springframework.web.filter.DelegatingFilterProxy invokeDelegate() DelegatingFilterProxy.java line 167 in org.springframework.web.filter.DelegatingFilterProxy doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() CharacterEncodingFilter.java line 88 in org.springframework.web.filter.CharacterEncodingFilter doFilterInternal() OncePerRequestFilter.java line 76 in org.springframework.web.filter.OncePerRequestFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() ServletHandler.java line 399 in org.mortbay.jetty.servlet.ServletHandler handle() SecurityHandler.java line 216 in org.mortbay.jetty.security.SecurityHandler handle() SessionHandler.java line 182 in org.mortbay.jetty.servlet.SessionHandler handle() SecurityHandler.java line 216 in org.mortbay.jetty.security.SecurityHandler handle() ContextHandler.java line 766 in org.mortbay.jetty.handler.ContextHandler handle() WebAppContext.java line 450 in org.mortbay.jetty.webapp.WebAppContext handle() HandlerWrapper.java line 152 in org.mortbay.jetty.handler.HandlerWrapper handle() StatisticsHandler.java line 53 in org.mortbay.jetty.handler.StatisticsHandler handle() HandlerWrapper.java line 152 in org.mortbay.jetty.handler.HandlerWrapper handle() Server.java line 326 in org.mortbay.jetty.Server handle() HttpConnection.java line 542 in org.mortbay.jetty.HttpConnection handleRequest() HttpConnection.java line 928 in org.mortbay.jetty.HttpConnection$RequestHandler headerComplete() HttpParser.java line 549 in org.mortbay.jetty.HttpParser parseNext() HttpParser.java line 212 in org.mortbay.jetty.HttpParser parseAvailable() HttpConnection.java line 404 in org.mortbay.jetty.HttpConnection handle() SelectChannelEndPoint.java line 410 in org.mortbay.io.nio.SelectChannelEndPoint run() QueuedThreadPool.java line 582 in org.mortbay.thread.QueuedThreadPool$PoolThread run() Caused by: org.codehaus.jackson.map.JsonMappingException:(was java.lang.NullPointerException) (through reference chain: com.google.common.collect.RegularImmutableList[1]->com.cloudera.server.cmf.actionables.Actionable["details"]) at JsonMappingException.java line 218 in org.codehaus.jackson.map.JsonMappingException wrapWithPath() Stack Trace: JsonMappingException.java line 218 in org.codehaus.jackson.map.JsonMappingException wrapWithPath() JsonMappingException.java line 183 in org.codehaus.jackson.map.JsonMappingException wrapWithPath() SerializerBase.java line 131 in org.codehaus.jackson.map.ser.SerializerBase wrapAndThrow() BeanSerializer.java line 183 in org.codehaus.jackson.map.ser.BeanSerializer serializeFields() BeanSerializer.java line 142 in org.codehaus.jackson.map.ser.BeanSerializer serialize() ContainerSerializers.java line 304 in org.codehaus.jackson.map.ser.ContainerSerializers$IndexedListSerializer serializeContents() ContainerSerializers.java line 254 in org.codehaus.jackson.map.ser.ContainerSerializers$IndexedListSerializer serializeContents() ContainerSerializers.java line 142 in org.codehaus.jackson.map.ser.ContainerSerializers$AsArraySerializer serialize() StdSerializerProvider.java line 600 in org.codehaus.jackson.map.ser.StdSerializerProvider _serializeValue() StdSerializerProvider.java line 280 in org.codehaus.jackson.map.ser.StdSerializerProvider serializeValue() ObjectMapper.java line 2267 in org.codehaus.jackson.map.ObjectMapper _configAndWriteValue() ObjectMapper.java line 1836 in org.codehaus.jackson.map.ObjectMapper writeValueAsString() JsonUtil.java line 192 in com.cloudera.enterprise.JsonUtil valueAsString() JsonUtil.java line 184 in com.cloudera.enterprise.JsonUtil valueAsString() LandingPageController.java line 459 in com.cloudera.server.web.cmf.LandingPageController servicesTable() NativeMethodAccessorImpl.java line -2 in sun.reflect.NativeMethodAccessorImpl invoke0() NativeMethodAccessorImpl.java line 57 in sun.reflect.NativeMethodAccessorImpl invoke() DelegatingMethodAccessorImpl.java line 43 in sun.reflect.DelegatingMethodAccessorImpl invoke() Method.java line 606 in java.lang.reflect.Method invoke() HandlerMethodInvoker.java line 176 in org.springframework.web.bind.annotation.support.HandlerMethodInvoker invokeHandlerMethod() AnnotationMethodHandlerAdapter.java line 436 in org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter invokeHandlerMethod() AnnotationMethodHandlerAdapter.java line 424 in org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter handle() DispatcherServlet.java line 790 in org.springframework.web.servlet.DispatcherServlet doDispatch() DispatcherServlet.java line 719 in org.springframework.web.servlet.DispatcherServlet doService() FrameworkServlet.java line 669 in org.springframework.web.servlet.FrameworkServlet processRequest() FrameworkServlet.java line 585 in org.springframework.web.servlet.FrameworkServlet doPost() HttpServlet.java line 595 in javax.servlet.http.HttpServlet service() HttpServlet.java line 668 in javax.servlet.http.HttpServlet service() ServletHolder.java line 511 in org.mortbay.jetty.servlet.ServletHolder handle() ServletHandler.java line 1221 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() UserAgentFilter.java line 78 in org.mortbay.servlet.UserAgentFilter doFilter() GzipFilter.java line 131 in org.mortbay.servlet.GzipFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() JAMonServletFilter.java line 48 in com.jamonapi.http.JAMonServletFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() JavaMelodyFacade.java line 109 in com.cloudera.enterprise.JavaMelodyFacade$MonitoringFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() FilterChainProxy.java line 311 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() FilterSecurityInterceptor.java line 116 in org.springframework.security.web.access.intercept.FilterSecurityInterceptor invoke() FilterSecurityInterceptor.java line 83 in org.springframework.security.web.access.intercept.FilterSecurityInterceptor doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() ExceptionTranslationFilter.java line 113 in org.springframework.security.web.access.ExceptionTranslationFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() SessionManagementFilter.java line 101 in org.springframework.security.web.session.SessionManagementFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() AnonymousAuthenticationFilter.java line 113 in org.springframework.security.web.authentication.AnonymousAuthenticationFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() RememberMeAuthenticationFilter.java line 146 in org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() SecurityContextHolderAwareRequestFilter.java line 54 in org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() RequestCacheAwareFilter.java line 45 in org.springframework.security.web.savedrequest.RequestCacheAwareFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() AbstractAuthenticationProcessingFilter.java line 182 in org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() LogoutFilter.java line 105 in org.springframework.security.web.authentication.logout.LogoutFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() SecurityContextPersistenceFilter.java line 87 in org.springframework.security.web.context.SecurityContextPersistenceFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() ConcurrentSessionFilter.java line 125 in org.springframework.security.web.session.ConcurrentSessionFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() FilterChainProxy.java line 173 in org.springframework.security.web.FilterChainProxy doFilter() DelegatingFilterProxy.java line 237 in org.springframework.web.filter.DelegatingFilterProxy invokeDelegate() DelegatingFilterProxy.java line 167 in org.springframework.web.filter.DelegatingFilterProxy doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() CharacterEncodingFilter.java line 88 in org.springframework.web.filter.CharacterEncodingFilter doFilterInternal() OncePerRequestFilter.java line 76 in org.springframework.web.filter.OncePerRequestFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() ServletHandler.java line 399 in org.mortbay.jetty.servlet.ServletHandler handle() SecurityHandler.java line 216 in org.mortbay.jetty.security.SecurityHandler handle() SessionHandler.java line 182 in org.mortbay.jetty.servlet.SessionHandler handle() SecurityHandler.java line 216 in org.mortbay.jetty.security.SecurityHandler handle() ContextHandler.java line 766 in org.mortbay.jetty.handler.ContextHandler handle() WebAppContext.java line 450 in org.mortbay.jetty.webapp.WebAppContext handle() HandlerWrapper.java line 152 in org.mortbay.jetty.handler.HandlerWrapper handle() StatisticsHandler.java line 53 in org.mortbay.jetty.handler.StatisticsHandler handle() HandlerWrapper.java line 152 in org.mortbay.jetty.handler.HandlerWrapper handle() Server.java line 326 in org.mortbay.jetty.Server handle() HttpConnection.java line 542 in org.mortbay.jetty.HttpConnection handleRequest() HttpConnection.java line 928 in org.mortbay.jetty.HttpConnection$RequestHandler headerComplete() HttpParser.java line 549 in org.mortbay.jetty.HttpParser parseNext() HttpParser.java line 212 in org.mortbay.jetty.HttpParser parseAvailable() HttpConnection.java line 404 in org.mortbay.jetty.HttpConnection handle() SelectChannelEndPoint.java line 410 in org.mortbay.io.nio.SelectChannelEndPoint run() QueuedThreadPool.java line 582 in org.mortbay.thread.QueuedThreadPool$PoolThread run() Caused by: java.lang.NullPointerException: at Preconditions.java line 191 in com.google.common.base.Preconditions checkNotNull() Stack Trace: Preconditions.java line 191 in com.google.common.base.Preconditions checkNotNull() I18n.java line 175 in com.cloudera.server.web.common.I18n t() I18n.java line 121 in com.cloudera.server.web.common.I18n t() Actionable.java line 47 in com.cloudera.server.cmf.actionables.Actionable getDetails() NativeMethodAccessorImpl.java line -2 in sun.reflect.NativeMethodAccessorImpl invoke0() NativeMethodAccessorImpl.java line 57 in sun.reflect.NativeMethodAccessorImpl invoke() DelegatingMethodAccessorImpl.java line 43 in sun.reflect.DelegatingMethodAccessorImpl invoke() Method.java line 606 in java.lang.reflect.Method invoke() BeanPropertyWriter.java line 467 in org.codehaus.jackson.map.ser.BeanPropertyWriter get() BeanPropertyWriter.java line 402 in org.codehaus.jackson.map.ser.BeanPropertyWriter serializeAsField() BeanSerializer.java line 175 in org.codehaus.jackson.map.ser.BeanSerializer serializeFields() BeanSerializer.java line 142 in org.codehaus.jackson.map.ser.BeanSerializer serialize() ContainerSerializers.java line 304 in org.codehaus.jackson.map.ser.ContainerSerializers$IndexedListSerializer serializeContents() ContainerSerializers.java line 254 in org.codehaus.jackson.map.ser.ContainerSerializers$IndexedListSerializer serializeContents() ContainerSerializers.java line 142 in org.codehaus.jackson.map.ser.ContainerSerializers$AsArraySerializer serialize() StdSerializerProvider.java line 600 in org.codehaus.jackson.map.ser.StdSerializerProvider _serializeValue() StdSerializerProvider.java line 280 in org.codehaus.jackson.map.ser.StdSerializerProvider serializeValue() ObjectMapper.java line 2267 in org.codehaus.jackson.map.ObjectMapper _configAndWriteValue() ObjectMapper.java line 1836 in org.codehaus.jackson.map.ObjectMapper writeValueAsString() JsonUtil.java line 192 in com.cloudera.enterprise.JsonUtil valueAsString() JsonUtil.java line 184 in com.cloudera.enterprise.JsonUtil valueAsString() LandingPageController.java line 459 in com.cloudera.server.web.cmf.LandingPageController servicesTable() NativeMethodAccessorImpl.java line -2 in sun.reflect.NativeMethodAccessorImpl invoke0() NativeMethodAccessorImpl.java line 57 in sun.reflect.NativeMethodAccessorImpl invoke() DelegatingMethodAccessorImpl.java line 43 in sun.reflect.DelegatingMethodAccessorImpl invoke() Method.java line 606 in java.lang.reflect.Method invoke() HandlerMethodInvoker.java line 176 in org.springframework.web.bind.annotation.support.HandlerMethodInvoker invokeHandlerMethod() AnnotationMethodHandlerAdapter.java line 436 in org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter invokeHandlerMethod() AnnotationMethodHandlerAdapter.java line 424 in org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter handle() DispatcherServlet.java line 790 in org.springframework.web.servlet.DispatcherServlet doDispatch() DispatcherServlet.java line 719 in org.springframework.web.servlet.DispatcherServlet doService() FrameworkServlet.java line 669 in org.springframework.web.servlet.FrameworkServlet processRequest() FrameworkServlet.java line 585 in org.springframework.web.servlet.FrameworkServlet doPost() HttpServlet.java line 595 in javax.servlet.http.HttpServlet service() HttpServlet.java line 668 in javax.servlet.http.HttpServlet service() ServletHolder.java line 511 in org.mortbay.jetty.servlet.ServletHolder handle() ServletHandler.java line 1221 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() UserAgentFilter.java line 78 in org.mortbay.servlet.UserAgentFilter doFilter() GzipFilter.java line 131 in org.mortbay.servlet.GzipFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() JAMonServletFilter.java line 48 in com.jamonapi.http.JAMonServletFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() JavaMelodyFacade.java line 109 in com.cloudera.enterprise.JavaMelodyFacade$MonitoringFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() FilterChainProxy.java line 311 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() FilterSecurityInterceptor.java line 116 in org.springframework.security.web.access.intercept.FilterSecurityInterceptor invoke() FilterSecurityInterceptor.java line 83 in org.springframework.security.web.access.intercept.FilterSecurityInterceptor doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() ExceptionTranslationFilter.java line 113 in org.springframework.security.web.access.ExceptionTranslationFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() SessionManagementFilter.java line 101 in org.springframework.security.web.session.SessionManagementFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() AnonymousAuthenticationFilter.java line 113 in org.springframework.security.web.authentication.AnonymousAuthenticationFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() RememberMeAuthenticationFilter.java line 146 in org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() SecurityContextHolderAwareRequestFilter.java line 54 in org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() RequestCacheAwareFilter.java line 45 in org.springframework.security.web.savedrequest.RequestCacheAwareFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() AbstractAuthenticationProcessingFilter.java line 182 in org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() LogoutFilter.java line 105 in org.springframework.security.web.authentication.logout.LogoutFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() SecurityContextPersistenceFilter.java line 87 in org.springframework.security.web.context.SecurityContextPersistenceFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() ConcurrentSessionFilter.java line 125 in org.springframework.security.web.session.ConcurrentSessionFilter doFilter() FilterChainProxy.java line 323 in org.springframework.security.web.FilterChainProxy$VirtualFilterChain doFilter() FilterChainProxy.java line 173 in org.springframework.security.web.FilterChainProxy doFilter() DelegatingFilterProxy.java line 237 in org.springframework.web.filter.DelegatingFilterProxy invokeDelegate() DelegatingFilterProxy.java line 167 in org.springframework.web.filter.DelegatingFilterProxy doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() CharacterEncodingFilter.java line 88 in org.springframework.web.filter.CharacterEncodingFilter doFilterInternal() OncePerRequestFilter.java line 76 in org.springframework.web.filter.OncePerRequestFilter doFilter() ServletHandler.java line 1212 in org.mortbay.jetty.servlet.ServletHandler$CachedChain doFilter() ServletHandler.java line 399 in org.mortbay.jetty.servlet.ServletHandler handle() SecurityHandler.java line 216 in org.mortbay.jetty.security.SecurityHandler handle() SessionHandler.java line 182 in org.mortbay.jetty.servlet.SessionHandler handle() SecurityHandler.java line 216 in org.mortbay.jetty.security.SecurityHandler handle() ContextHandler.java line 766 in org.mortbay.jetty.handler.ContextHandler handle() WebAppContext.java line 450 in org.mortbay.jetty.webapp.WebAppContext handle() HandlerWrapper.java line 152 in org.mortbay.jetty.handler.HandlerWrapper handle() StatisticsHandler.java line 53 in org.mortbay.jetty.handler.StatisticsHandler handle() HandlerWrapper.java line 152 in org.mortbay.jetty.handler.HandlerWrapper handle() Server.java line 326 in org.mortbay.jetty.Server handle() HttpConnection.java line 542 in org.mortbay.jetty.HttpConnection handleRequest() HttpConnection.java line 928 in org.mortbay.jetty.HttpConnection$RequestHandler headerComplete() HttpParser.java line 549 in org.mortbay.jetty.HttpParser parseNext() HttpParser.java line 212 in org.mortbay.jetty.HttpParser parseAvailable() HttpConnection.java line 404 in org.mortbay.jetty.HttpConnection handle() SelectChannelEndPoint.java line 410 in org.mortbay.io.nio.SelectChannelEndPoint run() QueuedThreadPool.java line 582 in org.mortbay.thread.QueuedThreadPool$PoolThread run()   ... 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