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From "Eric Newton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-2391) switching WALogs can cause scary traceback message
Date Fri, 21 Feb 2014 19:51:19 GMT
Eric Newton created ACCUMULO-2391:
-------------------------------------

             Summary: switching WALogs can cause scary traceback message
                 Key: ACCUMULO-2391
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2391
             Project: Accumulo
          Issue Type: Bug
          Components: tserver
            Reporter: Eric Newton
            Assignee: Eric Newton
            Priority: Minor
             Fix For: 1.6.0


I'm seeing this ugly message in the monitor.

{noformat}

Unexpected error writing to log, retrying attempt 1
	java.io.IOException: java.lang.reflect.InvocationTargetException
		at org.apache.accumulo.tserver.log.DfsLogger.defineTablet(DfsLogger.java:463)
		at org.apache.accumulo.tserver.log.TabletServerLogger$4.write(TabletServerLogger.java:335)
		at org.apache.accumulo.tserver.log.TabletServerLogger.write(TabletServerLogger.java:275)
		at org.apache.accumulo.tserver.log.TabletServerLogger.write(TabletServerLogger.java:231)
		at org.apache.accumulo.tserver.log.TabletServerLogger.defineTablet(TabletServerLogger.java:332)
		at org.apache.accumulo.tserver.log.TabletServerLogger.write(TabletServerLogger.java:256)
		at org.apache.accumulo.tserver.log.TabletServerLogger.write(TabletServerLogger.java:231)
		at org.apache.accumulo.tserver.log.TabletServerLogger.log(TabletServerLogger.java:344)
		at org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.update(TabletServer.java:1778)
		at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source)
		at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
		at java.lang.reflect.Method.invoke(Method.java:597)
		at org.apache.accumulo.trace.instrument.thrift.TraceWrap$1.invoke(TraceWrap.java:63)
		at $Proxy15.update(Unknown Source)
		at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$update.getResult(TabletClientService.java:2392)
		at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$update.getResult(TabletClientService.java:2376)
		at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
		at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
		at org.apache.accumulo.server.util.TServerUtils$TimedProcessor.process(TServerUtils.java:171)
		at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:478)
		at org.apache.accumulo.server.util.TServerUtils$THsHaServer$Invocation.run(TServerUtils.java:231)
		at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
		at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
		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:662)
	Caused by: java.lang.reflect.InvocationTargetException
		at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source)
		at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
		at java.lang.reflect.Method.invoke(Method.java:597)
		at org.apache.accumulo.tserver.log.DfsLogger.defineTablet(DfsLogger.java:460)
		... 25 more
	Caused by: java.nio.channels.ClosedChannelException
		at org.apache.hadoop.hdfs.DFSOutputStream.checkClosed(DFSOutputStream.java:1317)
		at org.apache.hadoop.hdfs.DFSOutputStream.flushOrSync(DFSOutputStream.java:1630)
		at org.apache.hadoop.hdfs.DFSOutputStream.hsync(DFSOutputStream.java:1612)
		at org.apache.hadoop.hdfs.DFSOutputStream.hsync(DFSOutputStream.java:1595)
		at org.apache.hadoop.fs.FSDataOutputStream.hsync(FSDataOutputStream.java:137)
		... 29 more
{noformat}




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