[
https://issues.apache.org/jira/browse/HADOOP-1619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12513294
]
Devaraj Das commented on HADOOP-1619:
-------------------------------------
Here is a similar exception i saw with a regular sort run with the current
trunk (as of July 17, 2007). This happened during the map output serving from
the local filesystem.
Map output lost, rescheduling:
getMapOutput(task_200707171649_0001_m_000996_0,411) failed :
java.io.IOException: Illegal seek
at sun.nio.ch.FileChannelImpl.position0(Native Method)
at sun.nio.ch.FileChannelImpl.position(FileChannelImpl.java:266)
at
org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileInputStream.getPos(RawLocalFileSystem.java:96)
at
org.apache.hadoop.fs.BufferedFSInputStream.getPos(BufferedFSInputStream.java:48)
at
org.apache.hadoop.fs.FSDataInputStream.getPos(FSDataInputStream.java:41)
at
org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.readChunk(ChecksumFileSystem.java:196)
at
org.apache.hadoop.fs.FSInputChecker.readChecksumChunk(FSInputChecker.java:234)
at org.apache.hadoop.fs.FSInputChecker.read1(FSInputChecker.java:189)
at org.apache.hadoop.fs.FSInputChecker.read(FSInputChecker.java:157)
at java.io.DataInputStream.read(DataInputStream.java:132)
at
org.apache.hadoop.mapred.TaskTracker$MapOutputServlet.doGet(TaskTracker.java:1980)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> FSInputChecker attempts to seek past EOF
> ----------------------------------------
>
> Key: HADOOP-1619
> URL: https://issues.apache.org/jira/browse/HADOOP-1619
> Project: Hadoop
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.14.0
> Reporter: Nigel Daley
> Assignee: Hairong Kuang
> Priority: Blocker
> Fix For: 0.14.0
>
>
> I'm not sure which class in the stack trace below is responsible for
> attempting to seek past the end of file.
> 2007-07-16 20:31:40,598 INFO org.apache.hadoop.mapred.TaskInProgress: Error
> from task_200707162028_0014_m_000000_0: java.io.IOException: Cannot seek
> after EOF
> at
> org.apache.hadoop.dfs.DFSClient$DFSInputStream.seek(DFSClient.java:1040)
> at
> org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:37)
> at
> org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.readChunk(ChecksumFileSystem.java:188)
> at
> org.apache.hadoop.fs.FSInputChecker.readChecksumChunk(FSInputChecker.java:234)
> at org.apache.hadoop.fs.FSInputChecker.fill(FSInputChecker.java:176)
> at org.apache.hadoop.fs.FSInputChecker.read1(FSInputChecker.java:193)
> at org.apache.hadoop.fs.FSInputChecker.read(FSInputChecker.java:157)
> at
> org.apache.hadoop.fs.FSInputChecker.readFully(FSInputChecker.java:353)
> at org.apache.hadoop.fs.FSInputChecker.seek(FSInputChecker.java:331)
> at org.apache.hadoop.fs.FSInputChecker.skip(FSInputChecker.java:306)
> at java.io.FilterInputStream.skip(FilterInputStream.java:125)
> at java.io.FilterInputStream.skip(FilterInputStream.java:125)
> at
> com.yahoo.pig.impl.io.InputStreamPosition.skip(InputStreamPosition.java:55)
> at java.io.BufferedInputStream.skip(BufferedInputStream.java:349)
> at java.io.FilterInputStream.skip(FilterInputStream.java:125)
> at
> com.yahoo.pig.impl.builtin.RandomSampleLoader.getNext(RandomSampleLoader.java:34)
> at
> com.yahoo.pig.impl.mapreduceExec.PigInputFormat$PigRecordReader.next(PigInputFormat.java:169)
> at org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:171)
> at
> com.yahoo.pig.impl.mapreduceExec.PigMapReduce.run(PigMapReduce.java:98)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:189)
> at
> org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1771)
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
