[rt-users] RT 3.8.7 fails to send email sometimes - cannot allocate memory?

Mon Aug 1 02:43:36 EDT 2011

Hi,

We have a strange situation where sometimes emails that should be sent are
not received (for example upon a reply via web or email).

I spent some time today trying to work out when this occurred, only to find
that it was working as expected for various permutations of reply / comment
etc to requestor / CC / Admin CC.... until I went digging for a specific
ticket that I knew we'd witnessed this error with today.

This is what appeared in the logs when I (the owner) replied using the web
interface, which should have sent an email back to the requestor:

Aug  1 12:05:22 sirius RT: <
rt-3.8.7-28432-1312164322-125.78931-14-0 at faredge.com.au> #78931/638647 -
Scrip 14 Notify Owner of Change
(/usr/share/request-tracker3.8/lib/RT/Action/SendEmail.pm:300)
Aug  1 12:05:22 sirius RT: <
rt-3.8.7-28432-1312164322-125.78931-14-0 at faredge.com.au>: Could not send
mail with command `/usr/sbin/sendmail -oi -t`: couldn't execute program:
Cannot allocate memory at
/usr/share/request-tracker3.8/lib/RT/Interface/Email.pm line
432.#012#012Stack:#012
[/usr/share/request-tracker3.8/lib/RT/Interface/Email.pm:432]#012
[/usr/share/request-tracker3.8/lib/RT/Action/SendEmail.pm:307]#012
[/usr/share/request-tracker3.8/lib/RT/Action/SendEmail.pm:129]#012
[/usr/share/request-tracker3.8/lib/RT/ScripAction_Overlay.pm:238]#012
[/usr/share/request-tracker3.8/lib/RT/Scrip_Overlay.pm:464]#012
[/usr/share/request-tracker3.8/lib/RT/Scrips_Overlay.pm:196]#012
[/usr/share/request-tracker3.8/lib/RT/Transaction_Overlay.pm:188]#012
[/usr/share/request-tracker3.8/lib/RT/Record.pm:1457]#012
[/usr/share/request-tracker3.8/lib/RT/Ticket_Overlay.pm:2831]#012  [(eval
3450):12]#012
[/usr/share/request-tracker3.8/lib/RT/ScripAction_Overlay.pm:238]#012
[/usr/share/request-tracker3.8/lib/RT/Scrip_Overlay.pm:464]#012
[/usr/share/request-tracker3.8/lib/RT/Scrips_Overlay.pm:196]#012
[/usr/share/request-tracker3.8/lib/RT/Transaction_Overlay.pm:188]#012
[/usr/share/request-tracker3.8/lib/RT/Record.pm:1457]#012
[/usr/share/request-tracker3.8/lib/RT/Ticket_Overlay.pm:3323]#012
[/usr/share/request-tracker3.8/lib/RT/Ticket_Overlay.pm:2996]#012
[/usr/share/request-tracker3.8/lib/RT/Record.pm:898]#012
[/usr/share/request-tracker3.8/lib/RT/Interface/Web.pm:1340]#012
[/usr/share/request-tracker3.8/lib/RT/Interface/Web.pm:1450]#012
[/usr/share/request-tracker3.8/html/Ticket/Display.html:156]#012
[/usr/share/request-tracker3.8/html/Ticket/Update.html:261]#012
[/usr/share/request-tracker3.8/lib/RT/Interface/Web.pm:320]#012
[/usr/share/request-tracker3.8/lib/RT/Interface/Web.pm:224]#012
[/usr/share/request-tracker3.8/html/autohandler:53]
(/usr/share/request-tracker3.8/lib/RT/Interface/Email.pm:448)
Aug  1 12:05:24 sirius RT: <
rt-3.8.7-28430-1312164324-42.79722-4-0 at faredge.com.au> #79722/638648 - Scrip
4 On Correspond Notify AdminCcs
(/usr/share/request-tracker3.8/lib/RT/Action/SendEmail.pm:300)
Aug  1 12:05:24 sirius RT: <
rt-3.8.7-28430-1312164324-42.79722-4-0 at faredge.com.au> No recipients found.
Not sending. (/usr/share/request-tracker3.8/lib/RT/Interface/Email.pm:342)
Aug  1 12:05:24 sirius RT: <
rt-3.8.7-28430-1312164324-331.79722-6-0 at faredge.com.au> #79722/638648 -
Scrip 6 On Correspond Notify Other Recipients
(/usr/share/request-tracker3.8/lib/RT/Action/SendEmail.pm:300)
Aug  1 12:05:24 sirius RT: <
rt-3.8.7-28430-1312164324-331.79722-6-0 at faredge.com.au> No recipients found.
Not sending. (/usr/share/request-tracker3.8/lib/RT/Interface/Email.pm:342)
Aug  1 12:05:24 sirius RT: <
rt-3.8.7-28430-1312164324-628.79722-5-0 at faredge.com.au> #79722/638648 -
Scrip 5 On Correspond Notify Requestors and Ccs
(/usr/share/request-tracker3.8/lib/RT/Action/SendEmail.pm:300)
Aug  1 12:05:24 sirius RT: <
rt-3.8.7-28430-1312164324-628.79722-5-0 at faredge.com.au>: Could not send mail
with command `/usr/sbin/sendmail -oi -t`: couldn't execute program: Cannot
allocate memory at /usr/share/request-tracker3.8/lib/RT/Interface/Email.pm
line 432.#012#012Stack:#012
[/usr/share/request-tracker3.8/lib/RT/Interface/Email.pm:432]#012
[/usr/share/request-tracker3.8/lib/RT/Action/SendEmail.pm:307]#012
[/usr/share/request-tracker3.8/lib/RT/Action/SendEmail.pm:129]#012
[/usr/share/request-tracker3.8/lib/RT/ScripAction_Overlay.pm:238]#012
[/usr/share/request-tracker3.8/lib/RT/Scrip_Overlay.pm:464]#012
[/usr/share/request-tracker3.8/lib/RT/Scrips_Overlay.pm:196]#012
[/usr/share/request-tracker3.8/lib/RT/Transaction_Overlay.pm:188]#012
[/usr/share/request-tracker3.8/lib/RT/Record.pm:1457]#012
[/usr/share/request-tracker3.8/lib/RT/Ticket_Overlay.pm:2175]#012
[/usr/share/request-tracker3.8/lib/RT/Ticket_Overlay.pm:2087]#012
[/usr/share/request-tracker3.8/lib/RT/Interface/Web.pm:1147]#012
[/usr/share/request-tracker3.8/html/Ticket/Display.html:146]#012
[/usr/share/request-tracker3.8/html/Ticket/Update.html:261]#012
[/usr/share/request-tracker3.8/lib/RT/Interface/Web.pm:320]#012
[/usr/share/request-tracker3.8/lib/RT/Interface/Web.pm:224]#012
[/usr/share/request-tracker3.8/html/autohandler:53]
(/usr/share/request-tracker3.8/lib/RT/Interface/Email.pm:448)

There are two places it's trying to send an email here - the first is scrip
14 which notifies owner on change, and secondly scrip 5 notifying requestors
& Ccs on change.

Now, these two scrips look like:

Description:    Notify Owner on change
Condition:    On Owner Change
Action:        Notify Owner
Template:    Global template: Owner Change
Stage:        TransactionCreate

========
Template:
Subject: {$Ticket->Subject}

This ticket has been assigned to you.

View the ticket at this location:
{$RT::WebURL}Ticket/Display.html?id

================================================

Description:    On Correspond Notify Requestors and Ccs
Condition:    On Correspond
Action:        Notify Requestors and Ccs
Template:    Global template: Correspondence
Stage:        TransactionCreate

=========
Template:
RT-Attach-Message: yes

{$Transaction->Content()}

================================================

With no custom conditions / actions / etc in either.

In qmail (not running on this particular box) I've seen what I suspect is a
similar thing when you load spam assassin, AV etc etc, which requires you to
increase the amount of memory available to the tcpserver via softlimit (exec
/usr/local/bin/softlimit -m 40000000 ...) and so on. Is this what I'm seeing
here, and if so, how / what do I need to change? Or is it something else
entirely?

Thanks,

Chris
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