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From "Newton Alex (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-6700) Rest API Null Pointer Exception for non-existent host in HostRoles/host_name filter for host_components
Date Tue, 07 Oct 2014 18:55:34 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-6700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Newton Alex updated AMBARI-6700:
--------------------------------
    Assignee: vitthal (Suhas) Gogate

> Rest API Null Pointer Exception for non-existent host in HostRoles/host_name filter for
host_components
> -------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-6700
>                 URL: https://issues.apache.org/jira/browse/AMBARI-6700
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: 1.6.1
>         Environment: HDP 2.1
>            Reporter: Hari Sekhon
>            Assignee: vitthal (Suhas) Gogate
>            Priority: Minor
>
> Supplying an non-existent host in the HostRole/host_name filter to the host_components
end point in the Ambari API results in a "500 Server Error" to the client and a Null Pointer
Exception in the logs. Here's the stack trace from the ambari-server.log:
> {code}
> 16:51:11,033  WARN [qtp2101150571-448] ServletHandler:514 - /api/v1/clusters/PoC/host_components
> java.lang.NullPointerException
>         at java.util.Collections$UnmodifiableCollection.<init>(Collections.java:1051)
>         at java.util.Collections$UnmodifiableSet.<init>(Collections.java:1122)
>         at java.util.Collections.unmodifiableSet(Collections.java:1112)
>         at org.apache.ambari.server.state.cluster.ClustersImpl.getClustersForHost(ClustersImpl.java:260)
>         at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getHostComponents(AmbariManagementControllerImpl.java:737)
>         at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getHostComponents(AmbariManagementControllerImpl.java:2364)
>         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.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:68)
>         at org.apache.ambari.server.controller.internal.ClusterControllerImpl.getResources(ClusterControllerImpl.java:134)
>         at org.apache.ambari.server.api.query.QueryImpl.doQuery(QueryImpl.java:438)
>         at org.apache.ambari.server.api.query.QueryImpl.queryForResources(QueryImpl.java:356)
>         at org.apache.ambari.server.api.query.QueryImpl.execute(QueryImpl.java:196)
>         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.HostComponentService.getHostComponents(HostComponentService.java:101)
>         at sun.reflect.GeneratedMethodAccessor82.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$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
>         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201)
>         at org.springframework.security.web.FilterChainProxy$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.MethodOverrideFilter.doFilter(MethodOverrideFilter.java:72)
>         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:745)
> {code}
> Regards,
> Hari Sekhon
> http://www.linkedin.com/in/harisekhon



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