[Mailman-Users] unsupported operand type(s)

[Zbigniew Szalbot]

Dear all,

Problem solved -see below.

On Tue, 31 Jul 2007 13:06:04 +0200, Zbigniew Szalbot
<zbigniew at szalbot.homedns.org> wrote:
> 
> Hello,
> 
> I have been using mailman without any problem for the last year. However,
> today when I tried to post to a subscriber only list I first had a
problem
> that Mailman contacted MTA on a IPv6 address.  This resulted in exim
> rejecting relay attempts from Mailman. I corrected this and then sent
> again. However out of 650 people on the list only two subscribers got
sent
> the message (as seen from MTA logs). I thought that maybe bounce score
was
> bumped up for the list members and I unsubscribed all of them and then
> subscribed again. My last action was to re-send the same message to the
> list. And again only two people recevied it. There is no no-mail option
> turned on for the members. They should all be getting it as they have
> always had. When I look into mailman error log, I can see some errors. I
> am
> not sure if they have anything in common with my situation. I'd
appreciate
> any help you can give me. Thanks!
> 
> Jul 31 12:44:23 2007 (18125) SHUNTING:
> 1185878662.0085499+0ad74badf8a66bd8859206f6ed887c38ac4267b3
> Jul 31 12:44:25 2007 (18125) Uncaught runner exception: unsupported
> operand
> type(s) for -=: 'str' and 'int'
> Jul 31 12:44:25 2007 (18125) Traceback (most recent call last):
>   File "/usr/local/mailman/Mailman/Queue/Runner.py", line 112, in
_oneloop
>     self._onefile(msg, msgdata)
>   File "/usr/local/mailman/Mailman/Queue/Runner.py", line 170, in
_onefile
>     keepqueued = self._dispose(mlist, msg, msgdata)
>   File "/usr/local/mailman/Mailman/Queue/OutgoingRunner.py", line 73, in
> _dispose
>     self._func(mlist, msg, msgdata)
>   File "/usr/local/mailman/Mailman/Handlers/SMTPDirect.py", line 159, in
> process
>     deliveryfunc(mlist, msg, msgdata, envsender, refused, conn)
>   File "/usr/local/mailman/Mailman/Handlers/SMTPDirect.py", line 369, in
> bulkdeliver
>     refused = conn.sendmail(envsender, recips, msgtext)
>   File "/usr/local/mailman/Mailman/Handlers/SMTPDirect.py", line 78, in
> sendmail
>     self.__numsessions -= 1
> TypeError: unsupported operand type(s) for -=: 'str' and 'int'
> 
> Jul 31 12:44:25 2007 (18125) SHUNTING:
> 1185878663.687403+30d438882c03342845939af5d5607078627b420b
> Jul 31 12:46:14 2007 (18125) Uncaught runner exception: unsupported
> operand
> type(s) for -=: 'str' and 'int'
> Jul 31 12:46:14 2007 (18125) Traceback (most recent call last):
>   File "/usr/local/mailman/Mailman/Queue/Runner.py", line 112, in
_oneloop
>     self._onefile(msg, msgdata)
>   File "/usr/local/mailman/Mailman/Queue/Runner.py", line 170, in
_onefile
>     keepqueued = self._dispose(mlist, msg, msgdata)
>   File "/usr/local/mailman/Mailman/Queue/OutgoingRunner.py", line 73, in
> _dispose
>     self._func(mlist, msg, msgdata)
>   File "/usr/local/mailman/Mailman/Handlers/SMTPDirect.py", line 159, in
> process
>     deliveryfunc(mlist, msg, msgdata, envsender, refused, conn)
>   File "/usr/local/mailman/Mailman/Handlers/SMTPDirect.py", line 369, in
> bulkdeliver
>     refused = conn.sendmail(envsender, recips, msgtext)
>   File "/usr/local/mailman/Mailman/Handlers/SMTPDirect.py", line 78, in
> sendmail
>     self.__numsessions -= 1
> TypeError: unsupported operand type(s) for -=: 'str' and 'int'
> 
> Jul 31 12:46:14 2007 (18125) SHUNTING:
> 1185878661.0661421+8660c954cc4cb81cbc14e5454bf70e31dadae03a

The offender turned out to be SMTP_MAX_SESSIONS_PER_CONNECTION = '50' which
I set mm_cfg.py. Unfortunately, because I also had some restrictions for
handling mail server load in my MTA, exim blocked mailman's operation.
Fortunately, the horror's over :)

Thank you 

Zbigniew Szalbot




-- 
Zbigniew Szalbot