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Posted to issues@ozone.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/04/21 18:01:00 UTC
[jira] [Updated] (HDDS-3393) Recon throws NPE in clusterState
endpoint
[ https://issues.apache.org/jira/browse/HDDS-3393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HDDS-3393:
---------------------------------
Labels: pull-request-available (was: )
> Recon throws NPE in clusterState endpoint
> -----------------------------------------
>
> Key: HDDS-3393
> URL: https://issues.apache.org/jira/browse/HDDS-3393
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Recon
> Affects Versions: 0.5.0
> Reporter: Vivek Ratnavel Subramanian
> Assignee: Vivek Ratnavel Subramanian
> Priority: Major
> Labels: pull-request-available
>
> Recon throws NPE while trying to get number of volumes from omMetadataManager instance (omMetadataManager.getVolumeTable().getEstimatedKeyCount()).
> This happens before Recon gets its first snapshot db from OM, because only after first snapshot db, omMetadataManager initializes its tables.
> {code:java}
> Unable to get Volumes count in ClusterStateResponse.
> java.lang.NullPointerException
> at org.apache.hadoop.ozone.recon.api.ClusterStateEndpoint.getClusterState(ClusterStateEndpoint.java:85)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:76)
> at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:148)
> at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:191)
> at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:200)
> at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103)
> at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493)
> at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:415)
> at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:104)
> at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:277)
> at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272)
> at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268)
> at org.glassfish.jersey.internal.Errors.process(Errors.java:316)
> at org.glassfish.jersey.internal.Errors.process(Errors.java:298)
> at org.glassfish.jersey.internal.Errors.process(Errors.java:268)
> at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289)
> at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256)
> at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:703)
> at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:416)
> at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:370)
> at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:389)
> at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:342)
> at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:229)
> at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:287)
> at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:277)
> at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:182)
> at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
> at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85)
> at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:119)
> at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133)
> at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130)
> at com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203)
> at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1596)
> at org.apache.hadoop.hdds.server.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1615)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
> at org.apache.hadoop.hdds.server.http.NoCacheFilter.doFilter(NoCacheFilter.java:48)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:545)
> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
> at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:590)
> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
> at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
> at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1607)
> at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
> at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1297)
> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:485)
> at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1577)
> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
> at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1212)
> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
> at org.eclipse.jetty.server.Server.handle(Server.java:500)
> at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
> at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:547)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
> at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:270)
> at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
> at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
> at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
> at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
> at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
> at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
> at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:388)
> at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
> at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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