Chris Trezzo created MAPREDUCE-6846:
---------------------------------------
Summary: Fragments specified for libjar paths are not handled
correctly
Key: MAPREDUCE-6846
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6846
Project: Hadoop Map/Reduce
Issue Type: Bug
Affects Versions: 3.0.0-alpha2, 2.7.3
Reporter: Chris Trezzo
Assignee: Chris Trezzo
Priority: Minor
If a user specifies a fragment for a libjars path via generic options parser,
the client crashes with a FileNotFoundException:
{noformat}
java.io.FileNotFoundException: File file:/home/mapred/test.txt#testFrag.txt
does not exist
at
org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:638)
at
org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:864)
at
org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:628)
at
org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:442)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:363)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:314)
at
org.apache.hadoop.mapreduce.JobResourceUploader.copyRemoteFiles(JobResourceUploader.java:387)
at
org.apache.hadoop.mapreduce.JobResourceUploader.uploadLibJars(JobResourceUploader.java:154)
at
org.apache.hadoop.mapreduce.JobResourceUploader.uploadResources(JobResourceUploader.java:105)
at
org.apache.hadoop.mapreduce.JobSubmitter.copyAndConfigureFiles(JobSubmitter.java:102)
at
org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:197)
at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1344)
at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1341)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1892)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:1341)
at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1362)
at
org.apache.hadoop.examples.QuasiMonteCarlo.estimatePi(QuasiMonteCarlo.java:306)
at
org.apache.hadoop.examples.QuasiMonteCarlo.run(QuasiMonteCarlo.java:359)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
at
org.apache.hadoop.examples.QuasiMonteCarlo.main(QuasiMonteCarlo.java:367)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:74)
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:239)
at org.apache.hadoop.util.RunJar.main(RunJar.java:153)
{noformat}
This is actually inconsistent with the behavior for files and archives. Here is
a table showing the current behavior for each type of path and resource:
| || Qualified path (i.e. file:/home/mapred/test.txt#frag.txt) || Absolute path
(i.e. /home/mapred/test.txt#frag.txt) || Relative path (i.e. test.txt#frag.txt)
||
|| -libjars | FileNotFound | FileNotFound|FileNotFound|
|| -files | (/) | (/) | (/) |
|| -archives | (/) | (/) | (/) |
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