ambari-server启动WARN qtp-ambari-client-87] ServletHandler: 563 /api/v1/stacks/HDP/versions/2.4/recommendations java.lang.NullPointerException报错解决办法（图文详解）
问题详情
来源是，我在Ambari集群里，安装Hue。
给Ambari集群里安装可视化分析利器工具Hue步骤（图文详解
所遇到的这个问题。
然后，去ambari-server的log日志，查看，如下 cat /var/log/ambari-server.log
SEVERE: The RuntimeException could not be mapped to a response, re-throwing to the HTTP container
java.lang.NullPointerException
at org.apache.ambari.server.state.PropertyInfo.getAttributesMap(PropertyInfo.java:)
at org.apache.ambari.server.state.PropertyInfo.convertToResponse(PropertyInfo.java:)
at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getStackConfigurations(AmbariManagementControllerImpl.java:)
at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getStackConfigurations(AmbariManagementControllerImpl.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider$.invoke(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider$.invoke(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.AbstractResourceProvider.getResources(AbstractResourceProvider.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider.getResources(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl$ExtendedResourceProviderWrapper.queryForResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl.getResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.doQuery(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.execute(QueryImpl.java:)
at org.apache.ambari.server.api.handlers.ReadHandler.handleRequest(ReadHandler.java:)
at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.stackadvisor.commands.StackAdvisorCommand.getServicesInformation(StackAdvisorCommand.java:)
at org.apache.ambari.server.api.services.stackadvisor.commands.StackAdvisorCommand.invoke(StackAdvisorCommand.java:)
at org.apache.ambari.server.api.services.stackadvisor.StackAdvisorHelper.recommend(StackAdvisorHelper.java:)
at org.apache.ambari.server.controller.internal.RecommendationResourceProvider.createResources(RecommendationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl.createResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.api.services.persistence.PersistenceManagerImpl.create(PersistenceManagerImpl.java:)
at org.apache.ambari.server.api.handlers.CreateHandler.persist(CreateHandler.java:)
at org.apache.ambari.server.api.handlers.BaseManagementHandler.handleRequest(BaseManagementHandler.java:)
at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.RecommendationService.getRecommendation(RecommendationService.java:)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:)
at java.lang.reflect.Method.invoke(Method.java:)
at com.sun.jersey.spi.container.JavaMethodInvokerFactory$.invoke(JavaMethodInvokerFactory.java:)
at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:)
at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:)
at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:)
at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:)
at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:)
at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.apache.ambari.server.security.authorization.AmbariAuthorizationFilter.doFilter(AmbariAuthorizationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.api.MethodOverrideFilter.doFilter(MethodOverrideFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.api.AmbariPersistFilter.doFilter(AmbariPersistFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.security.AbstractSecurityHeaderFilter.doFilter(AbstractSecurityHeaderFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:)
at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.handle(AmbariHandlerList.java:)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:)
at org.eclipse.jetty.server.Server.handle(Server.java:)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:)
at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:)
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$.run(SelectChannelEndPoint.java:)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:)
at org.eclipse.jetty.util.thread.QueuedThreadPool$.run(QueuedThreadPool.java:)
at java.lang.Thread.run(Thread.java:) Aug , :: PM com.sun.jersey.spi.container.ContainerResponse mapMappableContainerException
SEVERE: The RuntimeException could not be mapped to a response, re-throwing to the HTTP container
java.lang.NullPointerException
at org.apache.ambari.server.state.PropertyInfo.getAttributesMap(PropertyInfo.java:)
at org.apache.ambari.server.state.PropertyInfo.convertToResponse(PropertyInfo.java:)
at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getStackConfigurations(AmbariManagementControllerImpl.java:)
at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getStackConfigurations(AmbariManagementControllerImpl.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider$.invoke(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider$.invoke(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.AbstractResourceProvider.getResources(AbstractResourceProvider.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider.getResources(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl$ExtendedResourceProviderWrapper.queryForResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl.getResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.doQuery(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.execute(QueryImpl.java:)
at org.apache.ambari.server.api.handlers.ReadHandler.handleRequest(ReadHandler.java:)
at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.stackadvisor.commands.StackAdvisorCommand.getServicesInformation(StackAdvisorCommand.java:)
at org.apache.ambari.server.api.services.stackadvisor.commands.StackAdvisorCommand.invoke(StackAdvisorCommand.java:)
at org.apache.ambari.server.api.services.stackadvisor.StackAdvisorHelper.recommend(StackAdvisorHelper.java:)
at org.apache.ambari.server.controller.internal.RecommendationResourceProvider.createResources(RecommendationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl.createResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.api.services.persistence.PersistenceManagerImpl.create(PersistenceManagerImpl.java:)
at org.apache.ambari.server.api.handlers.CreateHandler.persist(CreateHandler.java:)
at org.apache.ambari.server.api.handlers.BaseManagementHandler.handleRequest(BaseManagementHandler.java:)
at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.RecommendationService.getRecommendation(RecommendationService.java:)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:)
at java.lang.reflect.Method.invoke(Method.java:)
at com.sun.jersey.spi.container.JavaMethodInvokerFactory$.invoke(JavaMethodInvokerFactory.java:)
at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:)
at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:)
at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:)
at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:)
at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:)
at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.apache.ambari.server.security.authorization.AmbariAuthorizationFilter.doFilter(AmbariAuthorizationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.api.MethodOverrideFilter.doFilter(MethodOverrideFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.api.AmbariPersistFilter.doFilter(AmbariPersistFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.security.AbstractSecurityHeaderFilter.doFilter(AbstractSecurityHeaderFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:)
at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.handle(AmbariHandlerList.java:)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:)
at org.eclipse.jetty.server.Server.handle(Server.java:)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:)
at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:)
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$.run(SelectChannelEndPoint.java:)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:)
at org.eclipse.jetty.util.thread.QueuedThreadPool$.run(QueuedThreadPool.java:)
at java.lang.Thread.run(Thread.java:) Aug , :: PM com.sun.jersey.spi.container.ContainerResponse mapMappableContainerException
SEVERE: The RuntimeException could not be mapped to a response, re-throwing to the HTTP container
java.lang.NullPointerException
at org.apache.ambari.server.state.PropertyInfo.getAttributesMap(PropertyInfo.java:)
at org.apache.ambari.server.state.PropertyInfo.convertToResponse(PropertyInfo.java:)
at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getStackConfigurations(AmbariManagementControllerImpl.java:)
at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getStackConfigurations(AmbariManagementControllerImpl.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider$.invoke(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider$.invoke(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.AbstractResourceProvider.getResources(AbstractResourceProvider.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider.getResources(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl$ExtendedResourceProviderWrapper.queryForResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl.getResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.doQuery(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.execute(QueryImpl.java:)
at org.apache.ambari.server.api.handlers.ReadHandler.handleRequest(ReadHandler.java:)
at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.stackadvisor.commands.StackAdvisorCommand.getServicesInformation(StackAdvisorCommand.java:)
at org.apache.ambari.server.api.services.stackadvisor.commands.StackAdvisorCommand.invoke(StackAdvisorCommand.java:)
at org.apache.ambari.server.api.services.stackadvisor.StackAdvisorHelper.recommend(StackAdvisorHelper.java:)
at org.apache.ambari.server.controller.internal.RecommendationResourceProvider.createResources(RecommendationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl.createResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.api.services.persistence.PersistenceManagerImpl.create(PersistenceManagerImpl.java:)
at org.apache.ambari.server.api.handlers.CreateHandler.persist(CreateHandler.java:)
at org.apache.ambari.server.api.handlers.BaseManagementHandler.handleRequest(BaseManagementHandler.java:)
at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.RecommendationService.getRecommendation(RecommendationService.java:)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:)
at java.lang.reflect.Method.invoke(Method.java:)
at com.sun.jersey.spi.container.JavaMethodInvokerFactory$.invoke(JavaMethodInvokerFactory.java:)
at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:)
at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:)
at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:)
at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:)
at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:)
at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.apache.ambari.server.security.authorization.AmbariAuthorizationFilter.doFilter(AmbariAuthorizationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.api.MethodOverrideFilter.doFilter(MethodOverrideFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.api.AmbariPersistFilter.doFilter(AmbariPersistFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.security.AbstractSecurityHeaderFilter.doFilter(AbstractSecurityHeaderFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:)
at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.handle(AmbariHandlerList.java:)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:)
at org.eclipse.jetty.server.Server.handle(Server.java:)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:)
at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:)
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$.run(SelectChannelEndPoint.java:)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:)
at org.eclipse.jetty.util.thread.QueuedThreadPool$.run(QueuedThreadPool.java:)
at java.lang.Thread.run(Thread.java:) Aug , :: PM com.sun.jersey.spi.inject.Errors processErrorMessages
WARNING: The following warnings have been detected with resource and/or provider classes:
WARNING: A HTTP GET method, public javax.ws.rs.core.Response org.apache.ambari.server.api.services.ActiveWidgetLayoutService.getServices(java.lang.String,javax.ws.rs.core.HttpHeaders,javax.ws.rs.core.UriInfo), should not consume any entity.
Aug , :: PM com.sun.jersey.spi.inject.Errors processErrorMessages
WARNING: The following warnings have been detected with resource and/or provider classes:
WARNING: A HTTP GET method, public javax.ws.rs.core.Response org.apache.ambari.server.api.services.HostComponentService.getHostComponents(java.lang.String,javax.ws.rs.core.HttpHeaders,javax.ws.rs.core.UriInfo), should not consume any entity.
WARNING: A HTTP GET method, public javax.ws.rs.core.Response org.apache.ambari.server.api.services.HostComponentService.getHostComponent(java.lang.String,javax.ws.rs.core.HttpHeaders,javax.ws.rs.core.UriInfo,java.lang.String,java.lang.String), should not consume any entity.
Aug , :: PM com.sun.jersey.spi.container.ContainerResponse mapMappableContainerException
SEVERE: The RuntimeException could not be mapped to a response, re-throwing to the HTTP container
java.lang.NullPointerException
at org.apache.ambari.server.state.PropertyInfo.getAttributesMap(PropertyInfo.java:)
at org.apache.ambari.server.state.PropertyInfo.convertToResponse(PropertyInfo.java:)
at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getStackConfigurations(AmbariManagementControllerImpl.java:)
at org.apache.ambari.server.controller.AmbariManagementControllerImpl.getStackConfigurations(AmbariManagementControllerImpl.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider$.invoke(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider$.invoke(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.AbstractResourceProvider.getResources(AbstractResourceProvider.java:)
at org.apache.ambari.server.controller.internal.StackConfigurationResourceProvider.getResources(StackConfigurationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl$ExtendedResourceProviderWrapper.queryForResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl.getResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.doQuery(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.queryForResources(QueryImpl.java:)
at org.apache.ambari.server.api.query.QueryImpl.execute(QueryImpl.java:)
at org.apache.ambari.server.api.handlers.ReadHandler.handleRequest(ReadHandler.java:)
at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.stackadvisor.commands.StackAdvisorCommand.getServicesInformation(StackAdvisorCommand.java:)
at org.apache.ambari.server.api.services.stackadvisor.commands.StackAdvisorCommand.invoke(StackAdvisorCommand.java:)
at org.apache.ambari.server.api.services.stackadvisor.StackAdvisorHelper.recommend(StackAdvisorHelper.java:)
at org.apache.ambari.server.controller.internal.RecommendationResourceProvider.createResources(RecommendationResourceProvider.java:)
at org.apache.ambari.server.controller.internal.ClusterControllerImpl.createResources(ClusterControllerImpl.java:)
at org.apache.ambari.server.api.services.persistence.PersistenceManagerImpl.create(PersistenceManagerImpl.java:)
at org.apache.ambari.server.api.handlers.CreateHandler.persist(CreateHandler.java:)
at org.apache.ambari.server.api.handlers.BaseManagementHandler.handleRequest(BaseManagementHandler.java:)
at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:)
at org.apache.ambari.server.api.services.RecommendationService.getRecommendation(RecommendationService.java:)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:)
at java.lang.reflect.Method.invoke(Method.java:)
at com.sun.jersey.spi.container.JavaMethodInvokerFactory$.invoke(JavaMethodInvokerFactory.java:)
at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:)
at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:)
at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:)
at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:)
at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:)
at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:)
at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.apache.ambari.server.security.authorization.AmbariAuthorizationFilter.doFilter(AmbariAuthorizationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.api.MethodOverrideFilter.doFilter(MethodOverrideFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.api.AmbariPersistFilter.doFilter(AmbariPersistFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.apache.ambari.server.security.AbstractSecurityHeaderFilter.doFilter(AbstractSecurityHeaderFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:)
at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:)
at org.apache.ambari.server.controller.AmbariHandlerList.handle(AmbariHandlerList.java:)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:)
at org.eclipse.jetty.server.Server.handle(Server.java:)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:)
at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:)
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$.run(SelectChannelEndPoint.java:)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:)
at org.eclipse.jetty.util.thread.QueuedThreadPool$.run(QueuedThreadPool.java:)
at java.lang.Thread.run(Thread.java:)
WARN qtp-ambari-client-87] ServletHandler: 563 /api/v1/stacks/HDP/versions/2.4/recommendations java.lang.NullPointerException
root@nssa-sensor1:/var/log/ambari-server#
解决办法
缺少ambari服务依赖。（但是以下的这种方法，不一定能帮助）
1、centos或redhat系统下
运行 yum install ambari-server ，安装后无需启动
2、ubuntu系统下
运行sudo apt-get install ambari-server，安装后无需启动。
网址是
https://community.hortonworks.com/questions/7886/getting-500-status-code-received-on-post-method-fo.html
找到如下的解决办法
见网址
https://community.hortonworks.com/questions/20603/500-status-code-received-on-get-method-for-api-api.html
sudo chown -R ambari /var/run/ambari-server
是为什么呢，
那是因为
在我下面的这篇博客里
Ubuntu14.04下Ambari安装搭建部署大数据集群（图文分五大步详解）（博主强烈推荐）
那是因为，我当时，没有使用默认的root，也没有使用规范的ambari。而是使用了自己的bigdata
然后，再重启
但是，这样做下来，问题还是没有得到解决！
再次科学上网，查找
https://community.hortonworks.com/questions/102840/null-pointer-exception-in-ambari-server-logs-after.html
The issue that you are afcing indicates Ambari DB Corruption. As we see that /request URL itslef is throwing NullPointerException so it will not be able to process any further request.
15 May 2017 07:16:14,016 WARN [qtp-ambari-client-26] ServletHandler:563 - /api/v1/clusters/hadoop/requests
java.lang.NullPointerException
If you started noticing this issue happening after installing HUE service then please delete the HUE service from ambari Database completely by running the following queries on Ambari DB and then restart ambari server to see if it fixes your issue.
delete from hostcomponentstate where service_name = 'hue';
delete from hostcomponentdesiredstate where service_name = 'hue';
delete from servicecomponentdesiredstate where service_name = 'hue';
delete from servicedesiredstate where service_name = 'hue';
delete from serviceconfighosts where service_config_id in (select service_config_id from serviceconfig where service_name = 'hue');
delete from serviceconfigmapping where service_config_id in (select service_config_id from serviceconfig where service_name = 'hue');
delete from serviceconfig where service_name = 'hue';
delete from requestresourcefilter where service_name = 'hue';
delete from requestoperationlevel where service_name = 'hue';
delete from clusterservices where service_name ='hue';
delete from clusterconfig where type_name like 'hue%';
delete from clusterconfigmapping where type_name like 'hue%';
delete from servicedesiredstate where service_name like '%hue%';
delete from hostcomponentstate where component_name like '%hue%';
delete from hostcomponentdesiredstate where component_name like '%hue%';
delete from servicecomponentdesiredstate where component_name like '%hue%';
delete from clusterservices where service_name like 'hue';
delete from servicedesiredstate where service_name like '%HUE%';
delete from hostcomponentstate where component_name like '%HUE%';
delete from hostcomponentdesiredstate where component_name like '%HUE%';
delete from servicecomponentdesiredstate where component_name like '%HUE%';
delete from clusterservices where service_name like 'HUE';
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目前研究领域：大数据、机器学习、深度学习、人工智能、数据挖掘、数据分析。 语言涉及：Java、Scala、Python、Shell、Linux等 。同时还涉及平常所使用的手机、电脑和互联网上的使用技巧、问题和实用软件。 只要你一直关注和呆在群里，每天必须有收获
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ambari-server启动WARN qtp-ambari-client-87] ServletHandler: 563 /api/v1/stacks/HDP/versions/2.4/recommendations java.lang.NullPointerException报错解决办法（图文详解）的更多相关文章
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