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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-3186) ConditionalWriterIT.testThreads failed due to NPE in tserver
Date Mon, 20 Oct 2014 15:46:33 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-3186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14177012#comment-14177012
] 

Josh Elser commented on ACCUMULO-3186:
--------------------------------------

Cool. Thanks for looking into it [~kturner].

> ConditionalWriterIT.testThreads failed due to NPE in tserver
> ------------------------------------------------------------
>
>                 Key: ACCUMULO-3186
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3186
>             Project: Accumulo
>          Issue Type: Bug
>          Components: test
>            Reporter: Josh Elser
>            Assignee: Keith Turner
>             Fix For: 1.7.0
>
>
> Saw a failure in ConditionalWriterIT last night
> {noformat}
> org.apache.accumulo.core.client.AccumuloException: org.apache.accumulo.core.client.impl.AccumuloServerException:
Error on server juno:38577
> 	at org.apache.accumulo.core.client.ConditionalWriter$Result.getStatus(ConditionalWriter.java:61)
> 	at org.apache.accumulo.test.ConditionalWriterIT.testThreads(ConditionalWriterIT.java:968)
> Caused by: org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server
juno:38577
> 	at org.apache.accumulo.core.client.impl.ConditionalWriterImpl.sendToServer(ConditionalWriterImpl.java:615)
> 	at org.apache.accumulo.core.client.impl.ConditionalWriterImpl.access$700(ConditionalWriterImpl.java:92)
> 	at org.apache.accumulo.core.client.impl.ConditionalWriterImpl$SendTask.run(ConditionalWriterImpl.java:452)
> 	at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.thrift.TApplicationException: Internal error processing conditionalUpdate
> 	at org.apache.thrift.TApplicationException.read(TApplicationException.java:111)
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:71)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_conditionalUpdate(TabletClientService.java:526)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.conditionalUpdate(TabletClientService.java:510)
> 	at org.apache.accumulo.core.client.impl.ConditionalWriterImpl.sendToServer(ConditionalWriterImpl.java:579)
> 	at org.apache.accumulo.core.client.impl.ConditionalWriterImpl.access$700(ConditionalWriterImpl.java:92)
> 	at org.apache.accumulo.core.client.impl.ConditionalWriterImpl$SendTask.run(ConditionalWriterImpl.java:452)
> 	at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> Corresponding error on the server appears to be:
> {noformat}
> 2014-09-30 03:30:13,922 [tserver.TabletServer$ThriftClientHandler] ERROR:
> java.lang.NullPointerException
>         at org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.writeConditionalMutations(TabletServer.java:1101)
>         at org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.conditionalUpdate(TabletServer.java:1203)
>         at org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.conditionalUpdate(TabletServer.java:1257)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         at org.apache.accumulo.trace.instrument.thrift.RpcServerInvocationHandler.invoke(RpcServerInvocationHandler.java:46)
>         at org.apache.accumulo.server.util.RpcWrapper$1.invoke(RpcWrapper.java:44)
>         at com.sun.proxy.$Proxy12.conditionalUpdate(Unknown Source)
>         at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$conditionalUpdate.getResult(TabletClientService.java:2458)
>         at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$conditionalUpdate.getResult(TabletClientService.java:2442)
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>         at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
>         at org.apache.accumulo.server.util.TServerUtils$TimedProcessor.process(TServerUtils.java:169)
>         at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:516)
>         at org.apache.accumulo.server.util.CustomNonBlockingServer$1.run(CustomNonBlockingServer.java:77)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
>         at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
>         at java.lang.Thread.run(Thread.java:745)
> 2014-09-30 03:30:13,925 [thrift.ProcessFunction] ERROR: Internal error processing conditionalUpdate
> org.apache.thrift.TException
>         at org.apache.accumulo.server.util.RpcWrapper$1.invoke(RpcWrapper.java:48)
>         at com.sun.proxy.$Proxy12.conditionalUpdate(Unknown Source)
>         at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$conditionalUpdate.getResult(TabletClientService.java:2458)
>         at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$conditionalUpdate.getResult(TabletClientService.java:2442)
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>         at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
>         at org.apache.accumulo.server.util.TServerUtils$TimedProcessor.process(TServerUtils.java:169)
>         at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:516)
>         at org.apache.accumulo.server.util.CustomNonBlockingServer$1.run(CustomNonBlockingServer.java:77)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
>         at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
>         at java.lang.Thread.run(Thread.java:745)
> {noformat}
> Saw this against master, but marked as fixFor 1.6.2 as well because the two branches
haven't really diverged (to my knowledge). Needs some triage if nothing else.



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