<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=windows-1252"> </head> <body text="#000000" bgcolor="#FFFFFF"> Do you mean the pid files that usually exist in the log folder? 'librecat-cmd-worker-datacite.pid' for example? Because in this case they don't actually exist while I am getting this error. Jonathan <div class="moz-cite-prefix">On 12/18/18 13:10, Nicolas Franck wrote: </div> <blockquote type="cite" cite="mid:EBEC0AFB-1173-4935-81AA-8DFBFCD32585@ugent.be"> <meta http-equiv="Content-Type" content="text/html; charset=windows-1252"> I see this all the time. <div class=""> </div> <div class="">Can only be fixed by deleting the pid files <div> <blockquote type="cite" class=""> <div class="">On 18 Dec 2018, at 13:07, Jonathan NORRIS <<a href="mailto:jnorris@ist.ac.at" class="" moz-do-not-send="true">jnorris@ist.ac.at</a>> wrote:</div> <div class=""> <div text="#000000" bgcolor="#FFFFFF" class="">Hello, I am having an issue with starting or stopping a queue using bin/librecat queue start/stop. If I try to start a queue I receive this message: /var/storage/librecat# bin/librecat queue start Starting mailer...Can't use an undefined value as a subroutine reference at /var/storage/librecat/local/lib/perl5/Proc/Launcher.pm line 834. OK Starting datacite...Can't use an undefined value as a subroutine reference at /var/storage/librecat/local/lib/perl5/Proc/Launcher.pm line 834. OK The status shows nothing started up: Server version: 1.0.6 Workers: | fd | ip | id | functions | |----|-----------|----|-----------| | 32 | 127.0.0.1 | - | | Status: | function | queued | busy | free | running | |----------|--------|------|------|---------| | datacite | 0 | 0 | 0 | 0 | | mailer | 0 | 0 | 0 | 0 | I can starting them manually with the workers command like so: /var/storage/librecat# bin/librecat worker datacite start --workers 2 --supervise LAUNCHED CHILD PROCESS: pid=7889 log=logs/librecat-cmd-worker-datacite.supervisor.log starting daemon: librecat-cmd-worker-datacite.1 LAUNCHED CHILD PROCESS: pid=7890 log=logs/librecat-cmd-worker-datacite.1.log starting daemon: librecat-cmd-worker-datacite.2 LAUNCHED CHILD PROCESS: pid=7891 log=logs/librecat-cmd-worker-datacite.2.log The status says they are up: Server version: 1.0.6 Workers: | fd | ip | id | functions | |----|-----------|----|-----------| | 33 | 127.0.0.1 | - | datacite | | 34 | 127.0.0.1 | - | | | 32 | 127.0.0.1 | - | datacite | Status: | function | queued | busy | free | running | |----------|--------|------|------|---------| | datacite | 0 | 0 | 2 | 2 | | mailer | 0 | 0 | 0 | 0 | Then I try to stop with the queue command: /var/storage/librecat# bin/librecat queue stop Stopping datacite...Can't use an undefined value as a subroutine reference at /var/storage/librecat/local/lib/perl5/Proc/Launcher.pm line 834. OK Stopping mailer...Can't use an undefined value as a subroutine reference at /var/storage/librecat/local/lib/perl5/Proc/Launcher.pm line 834. OK The status says they are still up: Server version: 1.0.6 Workers: | fd | ip | id | functions | |----|-----------|----|-----------| | 34 | 127.0.0.1 | - | | | 33 | 127.0.0.1 | - | datacite | | 32 | 127.0.0.1 | - | datacite | Status: | function | queued | busy | free | running | |----------|--------|------|------|---------| | datacite | 0 | 0 | 2 | 2 | | mailer | 0 | 0 | 0 | 0 | Here is where it is failing in Launcher.pm: sub read_log { my ( $self, $subref ) = @_; my $name = $self->daemon_name; while ( my $line=$self->file_tail->read ) { chomp $line; $subref->( "$name: $line" ); <----------- line 834 } return 1; } Has anyone seen this before or have any ideas as to why this is happening? Thanks, Jonathan Norris IST Austria </div> _______________________________________________ librecat-dev mailing list - send list mails to <a href="mailto:librecat-dev@lists.uni-bielefeld.de" class="" moz-do-not-send="true"> librecat-dev@lists.uni-bielefeld.de</a> - to unsubscribe or change options, visit <a href="https://lists.uni-bielefeld.de/mailman2/cgi/unibi/listinfo/librecat-dev" class="" moz-do-not-send="true"> https://lists.uni-bielefeld.de/mailman2/cgi/unibi/listinfo/librecat-dev</a> - project website: <a href="http://librecat.org/" class="" moz-do-not-send="true">http://librecat.org/</a> </div> </blockquote> </div> </div> </blockquote> </body> </html>