my $log MyLogger::->new("database"); is either a typo or the source of your problems, i can't tell which (you're missing a "=").

update: i've decided it's a typo :) and I've also decided that you should upgrade to the latest log4perl and that what you've posted pretty much works as it should, observe:

C:\dev\LOOSE>perl
my $linguini = '

log4perl.logger.database        = DEBUG, FileAppenderDatabase
log4perl.logger.apache          = DEBUG, FileAppenderApache

### APPENDERS ###

log4perl.appender.FileAppenderDatabase=         Log::Log4perl::Appende
+r::File
log4perl.appender.FileAppenderDatabase.filename=./database.log
log4perl.appender.FileAppenderDatabase.mode=    append

log4perl.appender.FileAppenderApache=           Log::Log4perl::Appende
+r::File
log4perl.appender.FileAppenderApache.filename=  ./apache.log
log4perl.appender.FileAppenderApache.mode=      append

### LAYOUTS ###
log4perl.appender.FileAppenderDatabase.layout=PatternLayout
log4perl.appender.FileAppenderDatabase.layout.ConversionPattern=%d %p>
+ %F:%L [%P] %M - %m%n

log4perl.appender.FileAppenderApache.layout=PatternLayout
log4perl.appender.FileAppenderApache.layout.ConversionPattern=%d %p> %
+C %F:%L [%P] %M - %m%n
';

package MyLogger; # Wrapper class for Log::Log4perl.
{
use strict;
use warnings;
use fields;
use Log::Log4perl;
my $log;
my $module_name;

sub new { # initialize and return MyLogger object
  my MyLogger $self = shift;
  unless (ref $self) { $self = fields::new ($self); }

  $module_name = shift;

  if (!Log::Log4perl::initialized()) {
    Log::Log4perl->init(\$linguini );
    $Log::Log4perl::caller_depth = 1;
  }
  $log = Log::Log4perl->get_logger($module_name);
  return $self;
}
sub debug{ # log a single message
  my ($self, $logmsg) = @_;
  $log->debug($logmsg);
}

}

#Log::Log4perl->init("/opt/etc/log4perl.conf");
#my $log = Log::Log4perl->get_logger("database");
#$log->debug("blah blah");



my $log = MyLogger::->new("database");
$log->debug("blah blah");
$log = MyLogger::->new("apache");
$log->debug("blih blih");
__END__

C:\dev\LOOSE>cat database.log
2004/02/09 05:54:18 DEBUG> log.log4perl.bug.pl:61 [908] main:: - blah 
+blah
2004/02/09 05:54:40 DEBUG> log.log4perl.bug.pl:60 [728] main:: - blah 
+blah
2004/02/09 05:56:06 DEBUG> -:60 [1316] main:: - blah blah

C:\dev\LOOSE>cat apache.log
2004/02/09 05:54:18 DEBUG> MyLogger log.log4perl.bug.pl:63 [908] main:
+: - blih blih
2004/02/09 05:54:40 DEBUG> MyLogger log.log4perl.bug.pl:62 [728] main:
+: - blih blih
2004/02/09 05:56:06 DEBUG> MyLogger -:62 [1316] main:: - blih blih

C:\dev\LOOSE>
[download]

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