Amareshwari Sriramadasu created MAPREDUCE-5210:
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Summary: Job submission has strict permission validation
Key: MAPREDUCE-5210
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5210
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Amareshwari Sriramadasu
The following code in JobSubmissionFiles.java mandates strict permission on job
submission :
{noformat}
if (fs.exists(stagingArea)) {
FileStatus fsStatus = fs.getFileStatus(stagingArea);
String owner = fsStatus.getOwner();
if (!(owner.equals(currentUser) || owner.equals(realUser))) {
throw new IOException("The ownership on the staging directory " +
stagingArea + " is not as expected. " +
"It is owned by " + owner + ". The directory must " +
"be owned by the submitter " + currentUser + " or " +
"by " + realUser);
}
{noformat}
For file systems such as S3, which do not have permission concept, user can
never submit a job with staging area in S3.
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