Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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3.0.0-alpha1
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None
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Reviewed
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windows
Description
@@ -1098,8 +1120,8 @@ private long calculateOutputSize() throws IOException { if (isMapTask() && conf.getNumReduceTasks() > 0) { try { Path mapOutput = mapOutputFile.getOutputFile(); - FileSystem localFS = FileSystem.getLocal(conf); - return localFS.getFileStatus(mapOutput).getLen(); + FileSystem fs = mapOutput.getFileSystem(conf); + return fs.getFileStatus(mapOutput).getLen(); } catch (IOException e) { LOG.warn ("Could not find output size " , e); }
causes Windows local output files to be routed through HDFS:
2014-06-02 00:14:53,891 WARN [main] org.apache.hadoop.mapred.YarnChild: Exception running child : java.lang.IllegalArgumentException: Pathname /c:/Hadoop/Data/Hadoop/local/usercache/HadoopUser/appcache/application_1401693085139_0001/output/attempt_1401693085139_0001_m_000000_0/file.out from c:/Hadoop/Data/Hadoop/local/usercache/HadoopUser/appcache/application_1401693085139_0001/output/attempt_1401693085139_0001_m_000000_0/file.out is not a valid DFS filename. at org.apache.hadoop.hdfs.DistributedFileSystem.getPathName(DistributedFileSystem.java:187) at org.apache.hadoop.hdfs.DistributedFileSystem.access$000(DistributedFileSystem.java:101) at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1024) at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1020) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1020) at org.apache.hadoop.mapred.Task.calculateOutputSize(Task.java:1124) at org.apache.hadoop.mapred.Task.sendLastUpdate(Task.java:1102) at org.apache.hadoop.mapred.Task.done(Task.java:1048)
Attachments
Attachments
Issue Links
- is broken by
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MAPREDUCE-5196 CheckpointAMPreemptionPolicy implements preemption in MR AM via checkpointing
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- Resolved
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- is related to
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HADOOP-10663 Path.getFileSystem should identify Windows drive (c:) like files and return the localFS
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- Resolved
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