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John Vines commented on ACCUMULO-2247: -------------------------------------- This happened right before the EOF exception (4ms, specifically), might be relevant {code}2014-11-17 22:08:15,917 [cache.LruBlockCache] DEBUG: Block cache LRU eviction started. Attempting to free 59843379816 bytes 2014-11-17 22:08:15,919 [tserver.InMemoryMap] DEBUG: Created mem dump file /tmp/memDump6c410c1e-4715-4cef-afa8-e1f19c500b0c.rf 2014-11-17 22:08:15,921 [cache.LruBlockCache] DEBUG: Block cache LRU eviction completed. Freed 308160 bytes. Priority Sizes: Single=185.45518MB (194463856), Multi=384.22998MB (402894336),Memory=0.0MB (0) {code} > random walk fails when server gets EOFException > ----------------------------------------------- > > Key: ACCUMULO-2247 > URL: https://issues.apache.org/jira/browse/ACCUMULO-2247 > Project: Accumulo > Issue Type: Bug > Components: client, tserver > Environment: Running RW on 10 node test cluster. Client quit with an > unknown error. > 1.6-SNAPSHOT, Hadoop 2.2.0, running the agitator. I was *not* agitating data > nodes. > Reporter: Eric Newton > > Saw this stack set of errors tin the corresponding server: > {noformat} > 2014-01-23 19:19:18,020 [tserver.TabletServer] WARN : lookup failed for > tablet !0;~< > java.io.EOFException > at java.io.DataInputStream.readByte(DataInputStream.java:250) > at > org.apache.accumulo.core.file.rfile.RelativeKey.fastSkip(RelativeKey.java:314) > at > org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader._seek(RFile.java:675) > at > org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader.seek(RFile.java:607) > at > org.apache.accumulo.core.iterators.system.LocalityGroupIterator.seek(LocalityGroupIterator.java:142) > at > org.apache.accumulo.core.file.rfile.RFile$Reader.seek(RFile.java:979) > at > org.apache.accumulo.server.problems.ProblemReportingIterator.seek(ProblemReportingIterator.java:94) > at > org.apache.accumulo.core.iterators.system.MultiIterator.seek(MultiIterator.java:105) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.system.StatsIterator.seek(StatsIterator.java:64) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.system.DeletingIterator.seek(DeletingIterator.java:67) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.SkippingIterator.seek(SkippingIterator.java:37) > at > org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator.seek(ColumnFamilySkippingIterator.java:123) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at > org.apache.accumulo.core.iterators.system.SynchronizedIterator.seek(SynchronizedIterator.java:55) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.user.VersioningIterator.seek(VersioningIterator.java:81) > at > org.apache.accumulo.core.iterators.user.WholeRowIterator.seek(WholeRowIterator.java:241) > at > org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.readNext(SourceSwitchingIterator.java:116) > at > org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:168) > at org.apache.accumulo.tserver.Tablet.lookup(Tablet.java:1562) > at org.apache.accumulo.tserver.Tablet.lookup(Tablet.java:1669) > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$LookupTask.run(TabletServer.java:1115) > at > org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at > org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at > org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34) > at java.lang.Thread.run(Thread.java:662) > 2014-01-23 19:19:18,027 [tserver.TabletServer] WARN : exception while doing > multi-scan > java.lang.RuntimeException: java.io.EOFException > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$LookupTask.run(TabletServer.java:1126) > at > org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at > org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at > org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34) > at java.lang.Thread.run(Thread.java:662) > Caused by: java.io.EOFException > at java.io.DataInputStream.readByte(DataInputStream.java:250) > at > org.apache.accumulo.core.file.rfile.RelativeKey.fastSkip(RelativeKey.java:314) > at > org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader._seek(RFile.java:675) > at > org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader.seek(RFile.java:607) > at > org.apache.accumulo.core.iterators.system.LocalityGroupIterator.seek(LocalityGroupIterator.java:142) > at > org.apache.accumulo.core.file.rfile.RFile$Reader.seek(RFile.java:979) > at > org.apache.accumulo.server.problems.ProblemReportingIterator.seek(ProblemReportingIterator.java:94) > at > org.apache.accumulo.core.iterators.system.MultiIterator.seek(MultiIterator.java:105) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.system.StatsIterator.seek(StatsIterator.java:64) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.system.DeletingIterator.seek(DeletingIterator.java:67) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.SkippingIterator.seek(SkippingIterator.java:37) > at > org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator.seek(ColumnFamilySkippingIterator.java:123) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at > org.apache.accumulo.core.iterators.system.SynchronizedIterator.seek(SynchronizedIterator.java:55) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.user.VersioningIterator.seek(VersioningIterator.java:81) > at > org.apache.accumulo.core.iterators.user.WholeRowIterator.seek(WholeRowIterator.java:241) > at > org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.readNext(SourceSwitchingIterator.java:116) > at > org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:168) > at org.apache.accumulo.tserver.Tablet.lookup(Tablet.java:1562) > at org.apache.accumulo.tserver.Tablet.lookup(Tablet.java:1669) > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$LookupTask.run(TabletServer.java:1115) > ... 6 more > 2014-01-23 19:19:18,031 [tserver.TabletServer] WARN : Failed to get multiscan > result > java.util.concurrent.ExecutionException: java.lang.RuntimeException: > java.io.EOFException > at > org.apache.accumulo.tserver.TabletServer$ScanTask.get(TabletServer.java:755) > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.continueMultiScan(TabletServer.java:1417) > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.startMultiScan(TabletServer.java:1382) > at sun.reflect.GeneratedMethodAccessor25.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 $Proxy15.startMultiScan(Unknown Source) > at > org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startMultiScan.getResult(TabletClientService.java:2252) > at > org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startMultiScan.getResult(TabletClientService.java:2236) > at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39) > at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39) > at > org.apache.accumulo.server.util.TServerUtils$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$Worker.run(ThreadPoolExecutor.java:908) > at > org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at > org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34) > at java.lang.Thread.run(Thread.java:662) > Caused by: java.lang.RuntimeException: java.io.EOFException > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$LookupTask.run(TabletServer.java:1126) > at > org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > ... 5 more > Caused by: java.io.EOFException > at java.io.DataInputStream.readByte(DataInputStream.java:250) > at > org.apache.accumulo.core.file.rfile.RelativeKey.fastSkip(RelativeKey.java:314) > at > org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader._seek(RFile.java:675) > at > org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader.seek(RFile.java:607) > at > org.apache.accumulo.core.iterators.system.LocalityGroupIterator.seek(LocalityGroupIterator.java:142) > at > org.apache.accumulo.core.file.rfile.RFile$Reader.seek(RFile.java:979) > at > org.apache.accumulo.server.problems.ProblemReportingIterator.seek(ProblemReportingIterator.java:94) > at > org.apache.accumulo.core.iterators.system.MultiIterator.seek(MultiIterator.java:105) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.system.StatsIterator.seek(StatsIterator.java:64) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.system.DeletingIterator.seek(DeletingIterator.java:67) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.SkippingIterator.seek(SkippingIterator.java:37) > at > org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator.seek(ColumnFamilySkippingIterator.java:123) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at > org.apache.accumulo.core.iterators.system.SynchronizedIterator.seek(SynchronizedIterator.java:55) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.user.VersioningIterator.seek(VersioningIterator.java:81) > at > org.apache.accumulo.core.iterators.user.WholeRowIterator.seek(WholeRowIterator.java:241) > at > org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.readNext(SourceSwitchingIterator.java:116) > at > org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:168) > at org.apache.accumulo.tserver.Tablet.lookup(Tablet.java:1562) > at org.apache.accumulo.tserver.Tablet.lookup(Tablet.java:1669) > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$LookupTask.run(TabletServer.java:1115) > ... 6 more > 2014-01-23 19:19:18,036 [thrift.ProcessFunction] ERROR: Internal error > processing startMultiScan > java.lang.RuntimeException: java.util.concurrent.ExecutionException: > java.lang.RuntimeException: java.io.EOFException > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.continueMultiScan(TabletServer.java:1430) > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.startMultiScan(TabletServer.java:1382) > at sun.reflect.GeneratedMethodAccessor25.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 $Proxy15.startMultiScan(Unknown Source) > at > org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startMultiScan.getResult(TabletClientService.java:2252) > at > org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startMultiScan.getResult(TabletClientService.java:2236) > at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39) > at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39) > at > org.apache.accumulo.server.util.TServerUtils$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$Worker.run(ThreadPoolExecutor.java:908) > at > org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at > org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34) > at java.lang.Thread.run(Thread.java:662) > Caused by: java.util.concurrent.ExecutionException: > java.lang.RuntimeException: java.io.EOFException > at > org.apache.accumulo.tserver.TabletServer$ScanTask.get(TabletServer.java:755) > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.continueMultiScan(TabletServer.java:1417) > ... 18 more > Caused by: java.lang.RuntimeException: java.io.EOFException > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$LookupTask.run(TabletServer.java:1126) > at > org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > ... 5 more > Caused by: java.io.EOFException > at java.io.DataInputStream.readByte(DataInputStream.java:250) > at > org.apache.accumulo.core.file.rfile.RelativeKey.fastSkip(RelativeKey.java:314) > at > org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader._seek(RFile.java:675) > at > org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader.seek(RFile.java:607) > at > org.apache.accumulo.core.iterators.system.LocalityGroupIterator.seek(LocalityGroupIterator.java:142) > at > org.apache.accumulo.core.file.rfile.RFile$Reader.seek(RFile.java:979) > at > org.apache.accumulo.server.problems.ProblemReportingIterator.seek(ProblemReportingIterator.java:94) > at > org.apache.accumulo.core.iterators.system.MultiIterator.seek(MultiIterator.java:105) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.system.StatsIterator.seek(StatsIterator.java:64) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.system.DeletingIterator.seek(DeletingIterator.java:67) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.SkippingIterator.seek(SkippingIterator.java:37) > at > org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator.seek(ColumnFamilySkippingIterator.java:123) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at > org.apache.accumulo.core.iterators.system.SynchronizedIterator.seek(SynchronizedIterator.java:55) > at > org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at > org.apache.accumulo.core.iterators.user.VersioningIterator.seek(VersioningIterator.java:81) > at > org.apache.accumulo.core.iterators.user.WholeRowIterator.seek(WholeRowIterator.java:241) > at > org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.readNext(SourceSwitchingIterator.java:116) > at > org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:168) > at org.apache.accumulo.tserver.Tablet.lookup(Tablet.java:1562) > at org.apache.accumulo.tserver.Tablet.lookup(Tablet.java:1669) > at > org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$LookupTask.run(TabletServer.java:1115) > ... 6 more > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)