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Posted to dev@ambari.apache.org by Tom Beerbower <tb...@hortonworks.com> on 2014/06/24 00:40:07 UTC

Review Request 22895: Ambari-server log is full of ServiceComponentHostNotFoundException

-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/22895/
-----------------------------------------------------------

Review request for Ambari, Nate Cole and Sid Wagle.


Bugs: AMBARI-6245
    https://issues.apache.org/jira/browse/AMBARI-6245


Repository: ambari


Description
-------

Looks like ambari-server is trying to access components that don't exist on host when performing some requests. I assume that it is related to predicate handling when cluster consists of more than one node. As a result, ambari-server log is full of errors like 
{code}
19:59:22,810 ERROR [qtp1063323836-234] AmbariManagementControllerImpl:862 - ServiceComponentHost not found 
org.apache.ambari.server.ServiceComponentHostNotFoundException: ServiceComponentHost not found, clusterName=cc, serviceName=HBASE, serviceComponentName=HBASE_MASTER, hostName=vm-1.vm
	at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getHostComponents(AmbariManagementControllerImpl.java:830)
	at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getHostComponents(AmbariManagementControllerImpl.java:2411)
	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider$2.invoke(HostComponentResourceProvider.java:173)
	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider$2.invoke(HostComponentResourceProvider.java:170)
	at org.apache.ambari.server.controller.internal.AbstractResourceProvider.getResources(AbstractResourceProvider.java:266)
	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider.getResources(HostComponentResourceProvider.java:170)
	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider$$EnhancerByGuice$$7f37730e.CGLIB$getResources$0(<generated>)
	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider$$EnhancerByGuice$$7f37730e$$FastClassByGuice$$69ceb86.invoke(<generated>)
	at com.google.inject.internal.cglib.proxy.$MethodProxy.invokeSuper(MethodProxy.java:228)
	at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:72)
	at org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:68)
	at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:72)
	at com.google.inject.internal.InterceptorStackCallback.intercept(InterceptorStackCallback.java:52)
	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider$$EnhancerByGuice$$7f37730e.getResources(<generated>)
	at org.apache.ambari.server.controller.internal.ClusterControllerImpl.getResources(ClusterControllerImpl.java:134)
	at org.apache.ambari.server.api.query.QueryImpl.doQuery(QueryImpl.java:405)
	at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:376)
	at org.apache.ambari.server.api.query.QueryImpl.queryForResources(QueryImpl.java:349)
	at org.apache.ambari.server.api.query.QueryImpl.execute(QueryImpl.java:191)
	at org.apache.ambari.server.api.handlers.ReadHandler.handleRequest(ReadHandler.java:68)
	at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:135)
	at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:103)
	at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:72)
	at org.apache.ambari.server.api.services.HostService.getHosts(HostService.java:95)
	at sun.reflect.GeneratedMethodAccessor59.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
	at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
	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.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:708)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:652)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1329)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.apache.ambari.server.security.authorization.internal.InternalTokenAuthenticationFilter.doFilter(InternalTokenAuthenticationFilter.java:53)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300)
	at org.apache.ambari.server.api.AmbariPersistFilter.doFilter(AmbariPersistFilter.java:48)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:445)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:559)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1038)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:374)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:972)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
	at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
	at org.eclipse.jetty.server.Server.handle(Server.java:363)
	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:483)
	at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:920)
	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:982)
	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)
	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
	at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:627)
	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:51)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
	at java.lang.Thread.run(Thread.java:744)

{code}
Steps to reproduce:
1) Install 2-node cluster with default host component configuration. 
2) Go to dashboard and click services/HDFS, services/HBASE etc.
3) Check ambari-server log

I've performed a little debugging. Requests that cause trouble look like 
{code}
GET /api/v1/clusters/cc/hosts?host_components/HostRoles/component_name.in(FALCON_SERVER,GANGLIA_SERVER,HBASE_MASTER,NAMENODE,SECONDARY_NAMENODE,HIVE_METASTORE,HIVE_SERVER,MYSQL_SERVER,HISTORYSERVER,NAGIOS_SERVER,OOZIE_SERVER,DRPC_SERVER,NIMBUS,STORM_REST_API,STORM_UI_SERVER,WEBHCAT_SERVER,RESOURCEMANAGER,ZOOKEEPER_SERVER)&fields=Hosts/public_host_name,host_components/HostRoles/component_name,host_components/component/metrics/hbase/master/IsActiveMaster&minimal_response=true&_=1402419164016
{code}
Please see the attached picture with debugger view on stack frame and take a note of null service name values. Also the interesting thing is that some requests depicted here try to access components on wrong node (e.g. ZOOKEEPER_SERVER is located at vm-0.vm and not at vm-1.vm)


Diffs
-----

  ambari-server/src/main/java/org/apache/ambari/server/controller/AmbariManagementControllerImpl.java 63714e3 
  ambari-server/src/main/java/org/apache/ambari/server/controller/internal/ClusterControllerImpl.java e511bd1 

Diff: https://reviews.apache.org/r/22895/diff/


Testing
-------

Manual testing.

All unit tests pass.

[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 31:55.557s
[INFO] Finished at: Mon Jun 23 17:35:47 EDT 2014
[INFO] Final Memory: 36M/123M
[INFO] ------------------------------------------------------------------------


Thanks,

Tom Beerbower


Re: Review Request 22895: Ambari-server log is full of ServiceComponentHostNotFoundException

Posted by Nate Cole <nc...@hortonworks.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/22895/#review46488
-----------------------------------------------------------

Ship it!


Ship It!

- Nate Cole


On June 23, 2014, 6:40 p.m., Tom Beerbower wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/22895/
> -----------------------------------------------------------
> 
> (Updated June 23, 2014, 6:40 p.m.)
> 
> 
> Review request for Ambari, Nate Cole and Sid Wagle.
> 
> 
> Bugs: AMBARI-6245
>     https://issues.apache.org/jira/browse/AMBARI-6245
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Looks like ambari-server is trying to access components that don't exist on host when performing some requests. I assume that it is related to predicate handling when cluster consists of more than one node. As a result, ambari-server log is full of errors like 
> {code}
> 19:59:22,810 ERROR [qtp1063323836-234] AmbariManagementControllerImpl:862 - ServiceComponentHost not found 
> org.apache.ambari.server.ServiceComponentHostNotFoundException: ServiceComponentHost not found, clusterName=cc, serviceName=HBASE, serviceComponentName=HBASE_MASTER, hostName=vm-1.vm
> 	at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getHostComponents(AmbariManagementControllerImpl.java:830)
> 	at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getHostComponents(AmbariManagementControllerImpl.java:2411)
> 	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider$2.invoke(HostComponentResourceProvider.java:173)
> 	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider$2.invoke(HostComponentResourceProvider.java:170)
> 	at org.apache.ambari.server.controller.internal.AbstractResourceProvider.getResources(AbstractResourceProvider.java:266)
> 	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider.getResources(HostComponentResourceProvider.java:170)
> 	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider$$EnhancerByGuice$$7f37730e.CGLIB$getResources$0(<generated>)
> 	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider$$EnhancerByGuice$$7f37730e$$FastClassByGuice$$69ceb86.invoke(<generated>)
> 	at com.google.inject.internal.cglib.proxy.$MethodProxy.invokeSuper(MethodProxy.java:228)
> 	at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:72)
> 	at org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:68)
> 	at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:72)
> 	at com.google.inject.internal.InterceptorStackCallback.intercept(InterceptorStackCallback.java:52)
> 	at org.apache.ambari.server.controller.internal.HostComponentResourceProvider$$EnhancerByGuice$$7f37730e.getResources(<generated>)
> 	at org.apache.ambari.server.controller.internal.ClusterControllerImpl.getResources(ClusterControllerImpl.java:134)
> 	at org.apache.ambari.server.api.query.QueryImpl.doQuery(QueryImpl.java:405)
> 	at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:376)
> 	at org.apache.ambari.server.api.query.QueryImpl.queryForResources(QueryImpl.java:349)
> 	at org.apache.ambari.server.api.query.QueryImpl.execute(QueryImpl.java:191)
> 	at org.apache.ambari.server.api.handlers.ReadHandler.handleRequest(ReadHandler.java:68)
> 	at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:135)
> 	at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:103)
> 	at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:72)
> 	at org.apache.ambari.server.api.services.HostService.getHosts(HostService.java:95)
> 	at sun.reflect.GeneratedMethodAccessor59.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
> 	at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
> 	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.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:708)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> 	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:652)
> 	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1329)
> 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
> 	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
> 	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
> 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
> 	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
> 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
> 	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
> 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
> 	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
> 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
> 	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
> 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
> 	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
> 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
> 	at org.apache.ambari.server.security.authorization.internal.InternalTokenAuthenticationFilter.doFilter(InternalTokenAuthenticationFilter.java:53)
> 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
> 	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
> 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
> 	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
> 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
> 	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
> 	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
> 	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
> 	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
> 	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300)
> 	at org.apache.ambari.server.api.AmbariPersistFilter.doFilter(AmbariPersistFilter.java:48)
> 	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300)
> 	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:445)
> 	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
> 	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:559)
> 	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1038)
> 	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:374)
> 	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:972)
> 	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
> 	at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52)
> 	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
> 	at org.eclipse.jetty.server.Server.handle(Server.java:363)
> 	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:483)
> 	at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:920)
> 	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:982)
> 	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)
> 	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
> 	at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
> 	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:627)
> 	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:51)
> 	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
> 	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
> 	at java.lang.Thread.run(Thread.java:744)
> 
> {code}
> Steps to reproduce:
> 1) Install 2-node cluster with default host component configuration. 
> 2) Go to dashboard and click services/HDFS, services/HBASE etc.
> 3) Check ambari-server log
> 
> I've performed a little debugging. Requests that cause trouble look like 
> {code}
> GET /api/v1/clusters/cc/hosts?host_components/HostRoles/component_name.in(FALCON_SERVER,GANGLIA_SERVER,HBASE_MASTER,NAMENODE,SECONDARY_NAMENODE,HIVE_METASTORE,HIVE_SERVER,MYSQL_SERVER,HISTORYSERVER,NAGIOS_SERVER,OOZIE_SERVER,DRPC_SERVER,NIMBUS,STORM_REST_API,STORM_UI_SERVER,WEBHCAT_SERVER,RESOURCEMANAGER,ZOOKEEPER_SERVER)&fields=Hosts/public_host_name,host_components/HostRoles/component_name,host_components/component/metrics/hbase/master/IsActiveMaster&minimal_response=true&_=1402419164016
> {code}
> Please see the attached picture with debugger view on stack frame and take a note of null service name values. Also the interesting thing is that some requests depicted here try to access components on wrong node (e.g. ZOOKEEPER_SERVER is located at vm-0.vm and not at vm-1.vm)
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/java/org/apache/ambari/server/controller/AmbariManagementControllerImpl.java 63714e3 
>   ambari-server/src/main/java/org/apache/ambari/server/controller/internal/ClusterControllerImpl.java e511bd1 
> 
> Diff: https://reviews.apache.org/r/22895/diff/
> 
> 
> Testing
> -------
> 
> Manual testing.
> 
> All unit tests pass.
> 
> [INFO] ------------------------------------------------------------------------
> [INFO] BUILD SUCCESS
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: 31:55.557s
> [INFO] Finished at: Mon Jun 23 17:35:47 EDT 2014
> [INFO] Final Memory: 36M/123M
> [INFO] ------------------------------------------------------------------------
> 
> 
> Thanks,
> 
> Tom Beerbower
> 
>