Re: [Mailman-Users] Can't lock a list [repeat]

[Richard Barrett]

On 23 Sep 2004, at 20:41, Dwight A. Ernest wrote:
Environment: mm 2.1.5, python 2.2.3, rhel es3 u2
(I've searched FAQ for this, in vain...)
On a list (called reach-l), which has a very large archive mbox, I just
tried to do
        $prefix/bin/arch --wipe reach-l
It got several hundred messages in and then blew up with a segmentation
fault. Reading a bit deeper, I see that perhaps I should have specified
some reasonable -s and -e values to limit the memory usage, but
hindsight is 20:20.
Since then, I've been unable to get a lock on the list. When I try, 
e.g,

        $prefix/bin/arch -s 1 -e 499 --wipe reach-l
...it just hangs. When I interrupt (^C), I see:
Traceback (most recent call last):
   File "/var/mailman/bin/arch", line 189, in ?
     main()
   File "/var/mailman/bin/arch", line 141, in main
     mlist = MailList(listname)
   File "/var/mailman/Mailman/MailList.py", line 126, in __init__
     self.Lock()
   File "/var/mailman/Mailman/MailList.py", line 159, in Lock
     self.__lock.lock(timeout)
   File "/var/mailman/Mailman/LockFile.py", line 312, in lock
     self.__sleep()
   File "/var/mailman/Mailman/LockFile.py", line 496, in __sleep
     time.sleep(interval)
KeyboardInterrupt
...which I believe I can reproduce in its most simple case with this:
[mailman at lists reach-l]$ /var/mailman/bin/withlist reach-l
Loading list reach-l (unlocked)
The variable `m' is the reach-l MailList instance
m.Lock()
[it just hangs until I ^C, then:]
Traceback (most recent call last):
   File "<console>", line 1, in ?
   File "/var/mailman/Mailman/MailList.py", line 159, in Lock
     self.__lock.lock(timeout)
   File "/var/mailman/Mailman/LockFile.py", line 312, in lock
     self.__sleep()
   File "/var/mailman/Mailman/LockFile.py", line 496, in __sleep
     time.sleep(interval)
KeyboardInterrupt
m.Unlock()
Finalizing
[mailman at lists reach-l]$
How can I clean things up for this list such that service code that
wants to, can get a lock on the list?
Look in the $prefix/locks/ directory for stale locks associated with 
the list concerned.

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