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https://issues.apache.org/jira/browse/MAPREDUCE-7225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16897183#comment-16897183
]
Peter Bacsko commented on MAPREDUCE-7225:
-----------------------------------------
Uploaded patch v3 with with better unit tests & handling "/" properly.
> Fix broken current folder expansion during MR job start
> -------------------------------------------------------
>
> Key: MAPREDUCE-7225
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7225
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.9.0, 3.0.3
> Reporter: Adam Antal
> Assignee: Peter Bacsko
> Priority: Major
> Attachments: MAPREDUCE-7225-001.patch, MAPREDUCE-7225-002.patch,
> MAPREDUCE-7225-002.patch, MAPREDUCE-7225-003.patch
>
>
> Starting a sleep job giving "." as files that should be localized is working
> fine up until 2.9.0, but after that the user is given an
> IllegalArgumentException. This change is a side-effect of HADOOP-12747 where
> {{GenericOptionsParser#validateFiles}} function got modified.
> Can be reproduced by starting a sleep job with "-files ." given as extra
> parameter. Log:
> {noformat}
> sudo -u hdfs hadoop jar hadoop-mapreduce-client-jobclient-3.0.0.jar sleep
> -files . -m 1 -r 1 -rt 2000 -mt 2000
> WARNING: Use "yarn jar" to launch YARN applications.
> 19/07/17 08:13:26 INFO client.ConfiguredRMFailoverProxyProvider: Failing over
> to rm21
> 19/07/17 08:13:26 INFO mapreduce.JobResourceUploader: Disabling Erasure
> Coding for path: /user/hdfs/.staging/job_1563349475208_0017
> 19/07/17 08:13:26 INFO mapreduce.JobSubmitter: Cleaning up the staging area
> /user/hdfs/.staging/job_1563349475208_0017
> java.lang.IllegalArgumentException: Can not create a Path from an empty string
> at org.apache.hadoop.fs.Path.checkPathArg(Path.java:168)
> at org.apache.hadoop.fs.Path.<init>(Path.java:180)
> at org.apache.hadoop.fs.Path.<init>(Path.java:125)
> at
> org.apache.hadoop.mapreduce.JobResourceUploader.copyRemoteFiles(JobResourceUploader.java:686)
> at
> org.apache.hadoop.mapreduce.JobResourceUploader.uploadFiles(JobResourceUploader.java:262)
> at
> org.apache.hadoop.mapreduce.JobResourceUploader.uploadResourcesInternal(JobResourceUploader.java:203)
> at
> org.apache.hadoop.mapreduce.JobResourceUploader.uploadResources(JobResourceUploader.java:131)
> at
> org.apache.hadoop.mapreduce.JobSubmitter.copyAndConfigureFiles(JobSubmitter.java:99)
> at
> org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:194)
> at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1570)
> at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1567)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1726)
> at org.apache.hadoop.mapreduce.Job.submit(Job.java:1567)
> at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1588)
> at org.apache.hadoop.mapreduce.SleepJob.run(SleepJob.java:273)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> at org.apache.hadoop.mapreduce.SleepJob.main(SleepJob.java:194)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> at
> org.apache.hadoop.test.MapredTestDriver.run(MapredTestDriver.java:139)
> at
> org.apache.hadoop.test.MapredTestDriver.main(MapredTestDriver.java:147)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.apache.hadoop.util.RunJar.run(RunJar.java:313)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:227)
> {noformat}
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