Thanks for the link. I use Log::Log4perl::Catalyst (part of the Log::Log4perl package), so Log4perl is automatically initialized only once. I modified my config so log4perl in no longer async

log4perl.rootLogger = INFO, Syncer
log4perl.appender.Syncer = Log::Log4perl::Appender::Synchronized
log4perl.appender.Syncer.appender = LOGFILE
log4perl.appender.LOGFILE=Log::Log4perl::Appender::File
....
....
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but still no furhter log entries were generated, only the inital one during apache startup. This is how i integrate log4perl:

use Log::Log4perl::Catalyst;
....
__PACKAGE__->log(Log::Log4perl::Catalyst->new(__PACKAGE__->path_to('lo
+g4perl.conf')->stringify));
....
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