Problem in setting the childTmpDir in MapReduceChildJVM
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Key: MAPREDUCE-3844
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3844
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Affects Versions: 0.23.0, 0.23.1
Reporter: Ahmed Radwan
Assignee: Ahmed Radwan
We have seen this issue during a Hive test. Where Hive tries to create a temp
file using File.createTempFile(..) and it throws:
{code}
Exception in thread "main" java.io.IOException: No such file or directory
at java.io.UnixFileSystem.createFileExclusively(Native Method)
at java.io.File.checkAndCreate(File.java:1704)
at java.io.File.createTempFile(File.java:1792)
at java.io.File.createTempFile(File.java:1828)
at Test.main(Test.java:13)
{code}
Because it literally sees "$PWD/tmp" as the temp directory path.
$PWD need to be evaluated before being used in setting the property
"java.io.tmpdir" in MapReduceChildJVM.java.
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