[jira] [Created] (MAPREDUCE-6027) mr jobs with relative paths can fail

["Wing Yew Poon (JIRA)" <ji...@apache.org>]

Wing Yew Poon created MAPREDUCE-6027:
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             Summary: mr jobs with relative paths can fail
                 Key: MAPREDUCE-6027
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6027
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: job submission
            Reporter: Wing Yew Poon
            Assignee: Wing Yew Poon


I built hadoop from branch-2 and tried to run terasort as follows:

{noformat}
wypoon$ bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.6.0-SNAPSHOT.jar terasort sort-input sort-output
14/08/07 08:57:55 INFO terasort.TeraSort: starting
2014-08-07 08:57:56.229 java[36572:1903] Unable to load realm info from SCDynamicStore
14/08/07 08:57:56 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
14/08/07 08:57:57 INFO input.FileInputFormat: Total input paths to process : 2
Spent 156ms computing base-splits.
Spent 2ms computing TeraScheduler splits.
Computing input splits took 159ms
Sampling 2 splits of 2
Making 1 from 100000 sampled records
Computing parititions took 626ms
Spent 789ms computing partitions.
14/08/07 08:57:57 INFO client.RMProxy: Connecting to ResourceManager at localhost/127.0.0.1:8032
14/08/07 08:57:58 INFO mapreduce.JobSubmitter: Cleaning up the staging area /tmp/hadoop-yarn/staging/wypoon/.staging/job_1407426900134_0001
java.lang.IllegalArgumentException: Can not create a Path from an empty URI
	at org.apache.hadoop.fs.Path.checkPathArg(Path.java:140)
	at org.apache.hadoop.fs.Path.<init>(Path.java:192)
	at org.apache.hadoop.mapreduce.filecache.ClientDistributedCacheManager.getFileStatus(ClientDistributedCacheManager.java:288)
	at org.apache.hadoop.mapreduce.filecache.ClientDistributedCacheManager.checkPermissionOfOther(ClientDistributedCacheManager.java:275)
	at org.apache.hadoop.mapreduce.filecache.ClientDistributedCacheManager.ancestorsHaveExecutePermissions(ClientDistributedCacheManager.java:256)
	at org.apache.hadoop.mapreduce.filecache.ClientDistributedCacheManager.isPublic(ClientDistributedCacheManager.java:243)
	at org.apache.hadoop.mapreduce.filecache.ClientDistributedCacheManager.determineCacheVisibilities(ClientDistributedCacheManager.java:162)
	at org.apache.hadoop.mapreduce.filecache.ClientDistributedCacheManager.determineTimestampsAndCacheVisibilities(ClientDistributedCacheManager.java:58)
	at org.apache.hadoop.mapreduce.JobSubmitter.copyAndConfigureFiles(JobSubmitter.java:265)
	at org.apache.hadoop.mapreduce.JobSubmitter.copyAndConfigureFiles(JobSubmitter.java:301)
	at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:389)
	at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1285)
	at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1282)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614)
	at org.apache.hadoop.mapreduce.Job.submit(Job.java:1282)
	at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1303)
	at org.apache.hadoop.examples.terasort.TeraSort.run(TeraSort.java:316)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
	at org.apache.hadoop.examples.terasort.TeraSort.main(TeraSort.java:325)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:72)
	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:145)
	at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:74)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
{noformat}

If I used absolute paths for the input and out directories, the job runs fine.
This breakage is due to HADOOP-10876.



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