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Posted to common-dev@hadoop.apache.org by "Jothi Padmanabhan (JIRA)" <ji...@apache.org> on 2008/08/19 12:23:44 UTC
[jira] Created: (HADOOP-3971) Map tasks are receiving FileNotFound
Exceptions for spill files on a regular basis and are getting killed
Map tasks are receiving FileNotFound Exceptions for spill files on a regular basis and are getting killed
---------------------------------------------------------------------------------------------------------
Key: HADOOP-3971
URL: https://issues.apache.org/jira/browse/HADOOP-3971
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Reporter: Jothi Padmanabhan
Fix For: 0.19.0
The following is the log -- Map tasks are unable to locate the spill files when they are doing the final merge (mergeParts).
java.io.FileNotFoundException: File /xxx/mapred-tt/mapred-local/taskTracker/jobcache/job_200808190959_0001/attempt_200808190959_0001_m_000000_0/output/spill23.out does not exist.
at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:420)
at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:244)
at org.apache.hadoop.fs.FileSystem.getContentSummary(FileSystem.java:682)
at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.getFileLength(ChecksumFileSystem.java:218)
at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.seek(ChecksumFileSystem.java:259)
at org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:37)
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.mergeParts(MapTask.java:1102)
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(MapTask.java:769)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:255)
at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2208)
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[jira] Commented: (HADOOP-3971) Map tasks are receiving
FileNotFound Exceptions for spill files on a regular basis and are getting
killed
Posted by "Amar Kamat (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12624026#action_12624026 ]
Amar Kamat commented on HADOOP-3971:
------------------------------------
Saw something similar
{noformat}
08-08-20 15:00:04,983 INFO org.apache.hadoop.mapred.Merger: Merging 2 sorted segments
2008-08-20 15:00:04,984 INFO org.apache.hadoop.mapred.Merger: Down to the last merge-pass, with 2 segments left of total size: 2391740 bytes
2008-08-20 15:00:05,025 INFO org.apache.hadoop.mapred.MapTask: Index: (32617022, 2391738, 2391738)
2008-08-20 15:00:21,204 WARN org.apache.hadoop.mapred.TaskRunner: Parent died. Exiting attempt_20080820144820_0001_m_000264_0
2008-08-20 15:00:22,466 WARN org.apache.hadoop.mapred.TaskTracker: Error running child
java.io.FileNotFoundException:
File xxx/taskTracker/jobcache/job_20080820144820_0001/attempt_20080820144820_0001_m_000264_0/output/spill0.out does not exist.
at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:420)
at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:244)
at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.<init>(ChecksumFileSystem.java:116)
at org.apache.hadoop.fs.ChecksumFileSystem.open(ChecksumFileSystem.java:274)
at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:357)
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.mergeParts(MapTask.java:1101)
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(MapTask.java:769)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:255)
at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2318)
{noformat}
> Map tasks are receiving FileNotFound Exceptions for spill files on a regular basis and are getting killed
> ---------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3971
> URL: https://issues.apache.org/jira/browse/HADOOP-3971
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Jothi Padmanabhan
> Fix For: 0.19.0
>
>
> The following is the log -- Map tasks are unable to locate the spill files when they are doing the final merge (mergeParts).
> java.io.FileNotFoundException: File /xxx/mapred-tt/mapred-local/taskTracker/jobcache/job_200808190959_0001/attempt_200808190959_0001_m_000000_0/output/spill23.out does not exist.
> at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:420)
> at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:244)
> at org.apache.hadoop.fs.FileSystem.getContentSummary(FileSystem.java:682)
> at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.getFileLength(ChecksumFileSystem.java:218)
> at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.seek(ChecksumFileSystem.java:259)
> at org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:37)
> at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.mergeParts(MapTask.java:1102)
> at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(MapTask.java:769)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:255)
> at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2208)
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[jira] Updated: (HADOOP-3971) Map tasks are receiving FileNotFound
Exceptions for spill files on a regular basis and are getting killed
Posted by "Devaraj Das (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Devaraj Das updated HADOOP-3971:
--------------------------------
Fix Version/s: (was: 0.19.0)
> Map tasks are receiving FileNotFound Exceptions for spill files on a regular basis and are getting killed
> ---------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3971
> URL: https://issues.apache.org/jira/browse/HADOOP-3971
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Jothi Padmanabhan
>
> The following is the log -- Map tasks are unable to locate the spill files when they are doing the final merge (mergeParts).
> java.io.FileNotFoundException: File /xxx/mapred-tt/mapred-local/taskTracker/jobcache/job_200808190959_0001/attempt_200808190959_0001_m_000000_0/output/spill23.out does not exist.
> at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:420)
> at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:244)
> at org.apache.hadoop.fs.FileSystem.getContentSummary(FileSystem.java:682)
> at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.getFileLength(ChecksumFileSystem.java:218)
> at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.seek(ChecksumFileSystem.java:259)
> at org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:37)
> at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.mergeParts(MapTask.java:1102)
> at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(MapTask.java:769)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:255)
> at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2208)
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