You are viewing a plain text version of this content. The canonical link for it is here.
Posted to mapreduce-issues@hadoop.apache.org by "Prabhu Joseph (JIRA)" <ji...@apache.org> on 2019/01/23 10:11:00 UTC
[jira] [Commented] (MAPREDUCE-7026) Shuffle Fetcher does not log
the actual error message thrown by ShuffleHandler
[ https://issues.apache.org/jira/browse/MAPREDUCE-7026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16749762#comment-16749762 ]
Prabhu Joseph commented on MAPREDUCE-7026:
------------------------------------------
[~sunilg] Can you review this jira as well. Thanks.
> Shuffle Fetcher does not log the actual error message thrown by ShuffleHandler
> ------------------------------------------------------------------------------
>
> Key: MAPREDUCE-7026
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7026
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: task
> Affects Versions: 2.7.3
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Priority: Major
> Labels: supportability
> Attachments: MAPREDUCE-7026.1.patch, MAPREDUCE-7026.2.patch, MAPREDUCE-7026.3.patch
>
>
> 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:
> {code}
> 2017-12-18 10:10:30,728 ERROR mapred.ShuffleHandler (ShuffleHandler.java:messageReceived(962)) - Shuffle error in populating headers :
> java.io.IOException: Error Reading IndexFile
> at org.apache.hadoop.mapred.ShuffleHandler$Shuffle.populateHeaders(ShuffleHandler.java:1089)
> at org.apache.hadoop.mapred.ShuffleHandler$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)
> {code}
> Fetcher Logs below without the actual error message:
> {code}
> 2018-04-19 12:24:39,521 WARN [main] org.apache.hadoop.mapred.YarnChild: Exception running child : org.apache.hadoop.mapreduce.task.reduce.Shuffle$ShuffleError: error in shuffle in fetcher#3
> at org.apache.hadoop.mapreduce.task.reduce.Shuffle.run(Shuffle.java:134)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:376)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:170)
> 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:1866)
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:164)
> Caused by: java.io.IOException: Exceeded MAX_FAILED_UNIQUE_FETCHES; bailing-out.
> at org.apache.hadoop.mapreduce.task.reduce.ShuffleSchedulerImpl.checkReducerHealth(ShuffleSchedulerImpl.java:366)
> at org.apache.hadoop.mapreduce.task.reduce.ShuffleSchedulerImpl.copyFailed(ShuffleSchedulerImpl.java:288)
> at org.apache.hadoop.mapreduce.task.reduce.Fetcher.copyFromHost(Fetcher.java:369)
> at org.apache.hadoop.mapreduce.task.reduce.Fetcher.run(Fetcher.java:200)
> {code}
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
---------------------------------------------------------------------
To unsubscribe, e-mail: mapreduce-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: mapreduce-issues-help@hadoop.apache.org