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From "Jonathan Hsieh (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-6614) RunJar should provide more diags when it can't create a temp file
Date Sun, 20 Nov 2011 12:23:51 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6614?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hsieh updated HADOOP-6614:
-----------------------------------

    Attachment: hadoop-6614.patch

Fix for annoying problem.  
                
> RunJar should provide more diags when it can't create a temp file
> -----------------------------------------------------------------
>
>                 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
>            Assignee: Jonathan Hsieh
>            Priority: Minor
>         Attachments: hadoop-6614.patch
>
>
> 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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