Re: [log4perl-devel] Bug while using Log::Dispatch::File

[Erik W. S. <er...@se...>]

Could you have a \r in the log format? Without a \n after, it will cause 
the current line to be overwritten (or to appear overwritten when 
displayed in things like less and more).

-e


Msc...@ao... wrote:

> Hi Kevin and Dave,
>
> there seems to be a weird bug with Log::Log4perl and 
> Log::Dispatch::File. The application I'm using it with produces a lot 
> of multi-line DEBUG messages and in certain circumstances this will 
> overwrite (!) previously written (!) sections of the log file.
> Looks like the file handle gets confused and suddenly jumps back.
> Using Log::Dispatch::Screen instead doesn't show the problem.
> Dave, is there any limitations to Log::Dispatch::File you can think of?
>
> My suspicion is that this is caused by our closures holding references 
> to the Log::Dispatch::File object(s) which is/are using a "local"ized 
> filehandle instead of a $fh scalar variable (open my $fh, ">blah") to 
> keep track of the opened file.
>
> I don't have an easy-to-reproduce test case yet, just to give you guys 
> a heads-up and maybe you already know where to look for?
>
> -- Mike
>
> Mike Schilli
> log...@pe...
> http://perlmeister.com
> http://log4perl.sourceforge.net