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Siddharth Seth commented on HIVE-12599: --------------------------------------- Patch for logging looks good to me. +1 if you think there's enough information to help narrow this down. This could be unrelated - but saw this error twice, both times using the LRFU policy. Did not see it again after moving to FIFO. > Add logging to debug rare unexpected refCount error from the LLAP IO layer > -------------------------------------------------------------------------- > > Key: HIVE-12599 > URL: https://issues.apache.org/jira/browse/HIVE-12599 > Project: Hive > Issue Type: Bug > Affects Versions: 2.0.0 > Reporter: Siddharth Seth > Assignee: Sergey Shelukhin > Attachments: HIVE-12599.patch > > > {code} > java.sql.SQLException: Error while processing statement: FAILED: Execution > Error, return code 2 from org.apache.hadoop.hive.ql.exec.tez.TezTask. Vertex > fa > <responseData class="java.lang.String">Error while processing statement: > FAILED: Execution Error, return code 2 from > org.apache.hadoop.hive.ql.exec.tez.TezTask. Vertex failed, vertexName=Map 5, > vertexId=vertex_1449122740455_0665_7_00, d > at > org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:195) > at > org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:160) > at > org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:348) > at > org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:71) > at > org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:60) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) > at > org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:60) > at > org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:35) > at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: > java.io.IOException: java.io.IOException: java.lang.AssertionError: > Unexpected refCount -1: 0x57c9bd50(-1) > at > org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:74) > at > org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:352) > at > org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:172) > ... 14 more > Caused by: java.io.IOException: java.io.IOException: > java.lang.AssertionError: Unexpected refCount -1: 0x57c9bd50(-1) > at > org.apache.hadoop.hive.io.HiveIOExceptionHandlerChain.handleRecordReaderNextException(HiveIOExceptionHandlerChain.java:121) > at > org.apache.hadoop.hive.io.HiveIOExceptionHandlerUtil.handleRecordReaderNextException(HiveIOExceptionHandlerUtil.java:77) > at > org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:355) > at > org.apache.hadoop.hive.ql.io.HiveRecordReader.doNext(HiveRecordReader.java:79) > at > org.apache.hadoop.hive.ql.io.HiveRecordReader.doNext(HiveRecordReader.java:33) > at > org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.next(HiveContextAwareRecordReader.java:116) > at > org.apache.hadoop.mapred.split.TezGroupedSplitsInputFormat$TezGroupedSplitsRecordReader.next(TezGroupedSplitsInputFormat.java:151) > at org.apache.tez.mapreduce.lib.MRReaderMapred.next(MRReaderMapred.java:116) > at > org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:62) > ... 16 more > Caused by: java.io.IOException: java.lang.AssertionError: Unexpected refCount > -1: 0x57c9bd50(-1) > at > org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.rethrowErrorIfAny(LlapInputFormat.java:292) > at > org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.nextCvb(LlapInputFormat.java:248) > at > org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.next(LlapInputFormat.java:176) > at > org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.next(LlapInputFormat.java:106) > at > org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:350) > ... 22 more > Caused by: java.lang.AssertionError: Unexpected refCount -1: 0x57c9bd50(-1) > at > org.apache.hadoop.hive.llap.cache.LlapDataBuffer.decRef(LlapDataBuffer.java:116) > at > org.apache.hadoop.hive.llap.cache.LowLevelCacheImpl.unlockBuffer(LowLevelCacheImpl.java:349) > at > org.apache.hadoop.hive.llap.cache.LowLevelCacheImpl.releaseBuffer(LowLevelCacheImpl.java:338) > at > org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader$DataWrapperForOrc.releaseBuffer(OrcEncodedDataReader.java:922) > at > org.apache.hadoop.hive.ql.io.orc.encoded.EncodedReaderImpl.releaseInitialRefcount(EncodedReaderImpl.java:1037) > at > org.apache.hadoop.hive.ql.io.orc.encoded.EncodedReaderImpl.ponderReleaseInitialRefcount(EncodedReaderImpl.java:1026) > at > org.apache.hadoop.hive.ql.io.orc.encoded.EncodedReaderImpl.prepareRangesForCompressedRead(EncodedReaderImpl.java:691) > at > org.apache.hadoop.hive.ql.io.orc.encoded.EncodedReaderImpl.readEncodedStream(EncodedReaderImpl.java:608) > at > org.apache.hadoop.hive.ql.io.orc.encoded.EncodedReaderImpl.readEncodedColumns(EncodedReaderImpl.java:395) > at > org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.performDataRead(OrcEncodedDataReader.java:413) > at > org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader$4.run(OrcEncodedDataReader.java:194) > at > org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader$4.run(OrcEncodedDataReader.java:191) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) > at > org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:191) > at > org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:74) > ... 5 more > {code} > Configured to use the LRFU cache if that is relevant. -- This message was sent by Atlassian JIRA (v6.3.4#6332)