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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-6614) RunJar should provide more diags when it can't create a temp file
Date Thu, 04 Mar 2010 17:03:28 GMT
RunJar should provide more diags when it can't create a temp file
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                 Key: HADOOP-6614
                 URL: https://issues.apache.org/jira/browse/HADOOP-6614
             Project: Hadoop Common
          Issue Type: Improvement
          Components: util
    Affects Versions: 0.22.0
            Reporter: Steve Loughran
            Priority: Minor


When you see a stack trace about permissions, it is better if the trace included the file/directory
at fault:
{code}
Exception in thread "main" java.io.IOException: Permission denied
	at java.io.UnixFileSystem.createFileExclusively(Native Method)
	at java.io.File.checkAndCreate(File.java:1704)
	at java.io.File.createTempFile(File.java:1792)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:147)
{code}

As it is, you need to go into the code, discover that it's {{${hadoop.tmp.dir}/hadoop-unjar}},
but you need to know the value of hadoop.tmp.dir to really find out what the problem is.

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