Details
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Bug
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Status: Open
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Major
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Resolution: Unresolved
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0.7.0
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None
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None
Description
A job is failing with reduce tasks failed to fetch map output and the NodeManager ShuffleHandler failed to serve the map outputs with some IOException like below. ShuffleHandler sends the actual error message in response inside sendError() but the Fetcher does not log this message.
Logs from NodeManager ShuffleHandler:
2017-12-06 17:11:11,040 ERROR mapred.ShuffleHandler (ShuffleHandler.java:messageReceived(962)) - Shuffle error in populating headers : java.io.IOException: Error Reading IndexFile at org.apache.hadoop.mapred.IndexCache.readIndexFileToCache(IndexCache.java:123) at org.apache.hadoop.mapred.IndexCache.getIndexInformation(IndexCache.java:68) at org.apache.hadoop.mapred.ShuffleHandler$Shuffle.getMapOutputInfo(ShuffleHandler.java:1066) at org.apache.hadoop.mapred.ShuffleHandler$Shuffle.populateHeaders(ShuffleHandler.java:1086) at org.apache.hadoop.mapred.ShuffleHandler$Shuffle.messageReceived(ShuffleHandler.java:958) at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:560) at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:787) at org.jboss.netty.handler.stream.ChunkedWriteHandler.handleUpstream(ChunkedWriteHandler.java:142) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:560) at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:787) at org.jboss.netty.handler.codec.http.HttpChunkAggregator.messageReceived(HttpChunkAggregator.java:148) at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:560) at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:787) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296) at org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:459) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:536) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:435) at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:560) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:555) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255) at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:107) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:312) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:88) at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.io.IOException: Owner 'hbase' for path /grid/7/hadoop/yarn/local/usercache/bde/appcache/application_1512457770852_9447/output/attempt_1512457770852_9447_1_01_000007_0_10004/file.out.index did not match expected owner 'bde' at org.apache.hadoop.io.SecureIOUtils.checkStat(SecureIOUtils.java:285) at org.apache.hadoop.io.SecureIOUtils.forceSecureOpenFSDataInputStream(SecureIOUtils.java:174) at org.apache.hadoop.io.SecureIOUtils.openFSDataInputStream(SecureIOUtils.java:158) at org.apache.hadoop.mapred.SpillRecord.<init>(SpillRecord.java:70) at org.apache.hadoop.mapred.SpillRecord.<init>(SpillRecord.java:62) at org.apache.hadoop.mapred.IndexCache.readIndexFileToCache(IndexCache.java:119)
Fetcher logs below without the actual error message:
7-12-07 00:34:01,372 [ERROR] [ShuffleAndMergeRunner {Map_1}] |orderedgrouped.Shuffle|: Map_1: ShuffleRunner failed with error org.apache.tez.runtime.library.common.shuffle.orderedgrouped.Shuffle$ShuffleError: error in shuffle in fetcher {Map_1} #2 at org.apache.tez.runtime.library.common.shuffle.orderedgrouped.Shuffle$RunShuffleCallable.callInternal(Shuffle.java:357) at org.apache.tez.runtime.library.common.shuffle.orderedgrouped.Shuffle$RunShuffleCallable.callInternal(Shuffle.java:334) at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.io.IOException: Map_1: Shuffle failed with too many fetch failures and insufficient progress!failureCounts=1, pendingInputs=1, fetcherHealthy=false, reducerProgressedEnough=true, reducerStalled=true at org.apache.tez.runtime.library.common.shuffle.orderedgrouped.ShuffleScheduler.isShuffleHealthy(ShuffleScheduler.java:811) at org.apache.tez.runtime.library.common.shuffle.orderedgrouped.ShuffleScheduler.copyFailed(ShuffleScheduler.java:552) at org.apache.tez.runtime.library.common.shuffle.orderedgrouped.FetcherOrderedGrouped.copyFromHost(FetcherOrderedGrouped.java:321) at org.apache.tez.runtime.library.common.shuffle.orderedgrouped.FetcherOrderedGrouped.fetchNext(FetcherOrderedGrouped.java:176) at org.apache.tez.runtime.library.common.shuffle.orderedgrouped.FetcherOrderedGrouped.run(FetcherOrderedGrouped.java:191)