On Jul 1, 2007, at 4:01 PM, Benji York wrote:
Fabio Tranchitella wrote:
My question is easy: I don't know how to investigate the problem
when my
Zope instance is not responsive anymore. I tried to use PDB, GDB and
friends but without success.
One of GDB's friends is strace. It can be very helpful in
situations like yours. Use the -p option to attach to the running
process to see what's going on.
See also http://www.upfrontsystems.co.za/Members/jean/zope-notes/
debug-spinning-zope and http://svn.python.org/view/python/trunk/
Misc/gdbinit?view=markup.
Another option, if you are using zserver, is to (carefully) use the
Medusa monitor server and client. This lets you telnet to the server
and get a limited Python prompt that lets you poke around at the
Python level. Of course, this is a potential security hole if not
done carefully. I used to find it very useful for looking at hung
Zope 2 applications before it was disabled in Zope 3 for security
reasons.
I would try what Benji suggested first and then pursue the monitor
server if that doesn't work.
Jim
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