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From "Joseph Beard (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MRUNIT-185) IllegalFormatException for '%' in Output
Date Mon, 22 Apr 2013 18:11:15 GMT

     [ https://issues.apache.org/jira/browse/MRUNIT-185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joseph Beard updated MRUNIT-185:
--------------------------------

    Attachment: JIRA_185.patch

Proposed patch for the defect involves bypassing String.format if the single argument error
method is used.
                
> IllegalFormatException for '%' in Output
> ----------------------------------------
>
>                 Key: MRUNIT-185
>                 URL: https://issues.apache.org/jira/browse/MRUNIT-185
>             Project: MRUnit
>          Issue Type: Bug
>    Affects Versions: 1.0.0
>            Reporter: Joseph Beard
>         Attachments: JIRA_185.patch
>
>
> In cases where the expected output does not match the actual output, the Errors class
will treat the error message created by the TestDriver.checkTypesAndLogError(...) method as
a format string.  If either the Expected or Actual Output value contains a '%' character,
the String.format will result in some type of IllegalFormatException.  In my case, I received
an UnknownFormatConversionException with "%D" in the expected output.
> Fortunately, this behavior is only triggered if the unit test is in error, but it can
make tracking down the source of the issue hard to find.

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