[jira] Resolved: (LOG4NET-69) Exception thrown when *Format methods are given a malformed format string

["Nicko Cadell (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/LOG4NET-69?page=all ]
     
Nicko Cadell resolved LOG4NET-69:
---------------------------------

    Fix Version: 1.2.10
     Resolution: Fixed

This is fixed and i have added a test to ensure that malformed format strings don't leak exceptions.

> Exception thrown when *Format methods are given a malformed format string
> -------------------------------------------------------------------------
>
>          Key: LOG4NET-69
>          URL: http://issues.apache.org/jira/browse/LOG4NET-69
>      Project: Log4net
>         Type: Bug
>     Versions: 1.2.9
>     Reporter: Ron Grabowski
>     Assignee: Nicko Cadell
>     Priority: Critical
>      Fix For: 1.2.10

>
> FormatException thrown when *Format methods are given a malformed format string: log.DebugFormat("Malformed {{,,,5}format{8}!");
> This statement:
>  log.DebugFormat("Malformed {{,,,5}format{8}!");
> throws the following exception:
> [FormatException: Input string was not in a correct format.]
>    System.Text.StringBuilder.FormatError()
>    System.Text.StringBuilder.AppendFormat(IFormatProvider provider, String format, Object[] args)
>    System.String.Format(IFormatProvider provider, String format, Object[] args)
>    log4net.Core.LogImpl.DebugFormat(String format, Object[] args)
> which is consistent with the documentation for String.Format:
> System.FormatException: The format item in format is invalid.  -or- The number indicating an argument to format is less than zero, or greater than or equal to the number of specified objects to format.  

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