[jira] [Resolved] (ACCUMULO-3665) error writing mutations to log

["Eric Newton (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ACCUMULO-3665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Newton resolved ACCUMULO-3665.
-----------------------------------
    Resolution: Not A Problem

This was caused by the parent, I believe. In any case, it is no longer happening.

> error writing mutations to log
> ------------------------------
>
>                 Key: ACCUMULO-3665
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3665
>             Project: Accumulo
>          Issue Type: Sub-task
>          Components: tserver
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>            Priority: Blocker
>             Fix For: 1.7.0
>
>
> Testing the changes for the parent task, the following message appeared in the monitor:
> {noformat}
> Error writing mutations to log
> 	java.io.IOException: java.lang.NullPointerException
> 		at org.apache.accumulo.tserver.log.TabletServerLogger.close(TabletServerLogger.java:276)
> 		at org.apache.accumulo.tserver.log.TabletServerLogger.access$900(TabletServerLogger.java:68)
> 		at org.apache.accumulo.tserver.log.TabletServerLogger$3.withWriteLock(TabletServerLogger.java:370)
> 		at org.apache.accumulo.tserver.log.TabletServerLogger.testLockAndRun(TabletServerLogger.java:131)
> 		at org.apache.accumulo.tserver.log.TabletServerLogger.write(TabletServerLogger.java:361)
> 		at org.apache.accumulo.tserver.log.TabletServerLogger.write(TabletServerLogger.java:286)
> 		at org.apache.accumulo.tserver.log.TabletServerLogger.log(TabletServerLogger.java:415)
> 		at org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.update(TabletServer.java:1014)
> 		at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source)
> 		at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 		at java.lang.reflect.Method.invoke(Method.java:606)
> 		at org.apache.accumulo.core.trace.wrappers.RpcServerInvocationHandler.invoke(RpcServerInvocationHandler.java:46)
> 		at org.apache.accumulo.server.rpc.RpcWrapper$1.invoke(RpcWrapper.java:47)
> 		at com.sun.proxy.$Proxy19.update(Unknown Source)
> 		at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$update.getResult(TabletClientService.java:2470)
> 		at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$update.getResult(TabletClientService.java:2454)
> 		at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> 		at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
> 		at org.apache.accumulo.server.rpc.TimedProcessor.process(TimedProcessor.java:63)
> 		at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:516)
> 		at org.apache.accumulo.server.rpc.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.core.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 		at java.lang.Thread.run(Thread.java:745)
> 	Caused by: java.lang.NullPointerException
> 		at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
> 		at java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1175)
> 		at org.apache.accumulo.tserver.TabletServer.walogClosed(TabletServer.java:3031)
> 		at org.apache.accumulo.tserver.log.TabletServerLogger.close(TabletServerLogger.java:271)
> 		... 24 more
> {noformat}



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