[rt-users] Can't fork at Mailer.pm

Martin Drasar drasar at ics.muni.cz
Mon Oct 8 04:42:07 EDT 2012

On 5.10.2012 19:05, Thomas Sibley wrote:
> On 10/05/2012 02:31 AM, Martin Drasar wrote:
>> after upgrading to RT 4.0.6 I am having problems with mail sending. This
>> line starts to appear in log:
>> Scrip Commit 6 died. - Can't fork at /usr/share/perl5/Mail/Mailer.pm
>> line 145
>> and no mail can be sent until I restart the Apache.
>> Do you have any idea why it is happening? And more importantly - how can
>> I solve this so it does not happen again?
> Can't fork means your operating system is dangerously out of memory.
> You should tune Apache and anything else on the box (your database
> server?) to coexist peacefully.
> What MailCommand are you using in RT?

Hi Thomas,

I am using sendmail as a mail command, but you are most likely right
about insufficient memory. I have checked the logs and Apache processes
were dying of memory starvation. I have doubled the memory (it was only
1 gig) and will check if it keeps happening.


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