[jira] [Commented] (MAPREDUCE-5912) Task.calculateOutputSize does not handle Windows files after MAPREDUCE-5196

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14017828#comment-14017828 ] 

Hadoop QA commented on MAPREDUCE-5912:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12648337/MAPREDUCE-5912.1.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4642//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4642//console

This message is automatically generated.

> Task.calculateOutputSize does not handle Windows files after MAPREDUCE-5196
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5912
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5912
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Remus Rusanu
>            Assignee: Remus Rusanu
>             Fix For: 3.0.0
>
>         Attachments: MAPREDUCE-5912.1.patch
>
>
> {code}
> @@ -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);
>        }
> {code}
> causes Windows local output files to be routed through HDFS:
> {code}
> 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)
> {code}



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