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https://issues.apache.org/jira/browse/MAPREDUCE-1697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874123#action_12874123
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Hadoop QA commented on MAPREDUCE-1697:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12446011/patch-1697-2.txt
against trunk revision 950021.
+1 @author. The patch does not contain any @author tags.
+0 tests included. The patch appears to be a documentation patch that
doesn't require tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
-1 contrib tests. The patch failed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/216/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/216/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/216/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/216/console
This message is automatically generated.
> Document the behavior of -file option in streaming
> --------------------------------------------------
>
> Key: MAPREDUCE-1697
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1697
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/streaming, documentation
> Affects Versions: 0.20.1
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.21.0, 0.22.0
>
> Attachments: patch-1697-1.txt, patch-1697-2.txt, patch-1697.txt
>
>
> The behavior of -file option in streaming is not documented anywhere.
> The behavior of -file is the following :
> 1) All the files passed through -file option are packaged into job.jar.
> 2) If -file option is used for .class or .jar files, they are unjarred on
> tasktracker and placed in
> ${mapred.local.dir}/taskTracker/jobcache/job_ID/jars/classes or /lib,
> respectively. Symlinks to the directories classes and lib are created from
> the cwd of the task, . The names of symlinks are "classes", "lib". So file
> names of .class or .jar files do not appear in cwd of the task.
> Paths to these files are automatically added to classpath. The tricky part is
> that hadoop framework can pick .class or .jar using classpath, but actual
> mapper script cannot. If you'd like to access these .class or .jar inside
> script, please do something like "java -cp lib/*;classes/* <ClassName>".
> 3) If -file option is used for files other than .class or .jar (e.g, .txt or
> .pl), these files are unjarred into
> ${mapred.local.dir}/taskTracker/jobcache/job_ID/jars/. Symlinks to these
> files are created from the cwd of the task. Names of these symlinks are
> actually file names.
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