[Catalyst] Catalyst::Log::Log4perl autoflush

David Wright dave-catalyst at dexy.org
Sun Apr 20 01:56:04 BST 2008


>>  It seems that 'autoflush' doesn't mean what it usually does in
>> Catalyst::Log::Log4perl. It usually means that a write should happen
>> immediately, and not be buffered.
>>
>>  That isn't the behaviour in Catalyst::Log::Log4perl, either when set using
>> the log4perl conf, or when using the option to new(). The option to new()
>> disables 'abort', which I think is a misunderstanding. The logging functions
>> always simply push to the log4perlstack, which is only flushed after the
>> request has been mostly handled.
>>
>>  In order to get autoflush working as expected, I have had to create a
>>  derived class and override _log():
>>
>>  sub _log {
>>  my $self = shift;
>>  $self->SUPER::_log(@_);
>>  $self->_flush if scalar(caller(1)) =~ /^MyApp(::|$)/;
>>  }
>>
>>  perl -v: v5.8.8 built for i486-linux-gnu-thread-multi
>>  uname -a: Linux PC-5023452 2.6.22-14-generic #1 SMP Fri Feb 1 04:59:50
>>  UTC 2008 i686 GNU/Linux
>>  Catalyst::Log::Log4perl version: 1.0
>>
>>  I've raised a bug in RT for this:
>> http://rt.cpan.org/Public/Bug/Display.html?id=35221
>>
> David,
>
> Could you throw a test case in with this (either on the RT bug or in
> this mail) and I'll get a patch put in place?

Hello Jay,

Which of the autoflushes should I test against: the parameter to 
new(), or the option in a log4perl configuration file?

Do you (or others) agree that the autoflush option to new() is a misnomer? 
If not, wouldn't my test simply prove that the code doesn't do what it 
doesn't say it does?

David



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