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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-7114) FsShell should dump all exceptions at DEBUG level
Date Thu, 20 Jan 2011 22:08:44 GMT
FsShell should dump all exceptions at DEBUG level

                 Key: HADOOP-7114
                 URL: https://issues.apache.org/jira/browse/HADOOP-7114
             Project: Hadoop Common
          Issue Type: Improvement
          Components: fs
    Affects Versions: 0.23.0
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
            Priority: Minor

Most of the FsShell commands catch exceptions and then just print out an error like "foo:
" + e.getLocalizedMessage(). This is fine when the exception is "user-facing" (eg permissions
errors) but in the case of a user hitting a bug you get a useless error message with no stack
trace. For example, something "chmod: null" in the case of a NullPointerException bug.

It would help debug these cases for users and developers if we also logged the exception with
full trace at DEBUG level.

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