Hi, Did you look how http://pypi.python.org/pypi/plone.app.async have done the integration with Zope2?
Vincent Fretin Ecreall Site : http://vincentfretin.ecreall.com On Thu, Mar 1, 2012 at 12:19 PM, Christian Theune <c...@gocept.com> wrote: > Hi, > > zc.async's shutdown mechanism doesn't really work with Zope 2's SIGTERM > handling: in my case it causes the Async's threaded dispatcher to die in > the middle of something: > > Exception in thread Thread-1 (most likely raised during interpreter > shutdown): > Traceback (most recent call last): > File "/home/ctheune/local/lib/**python2.6/threading.py", line 532, in > __bootstrap_inner > File "/home/ctheune/local/lib/**python2.6/threading.py", line 484, in run > File "/home/ctheune/gocept/code/...**deployment/eggs/zc.async-1.5.** > 4-py2.6.egg/zc/async/**subscribers.py", line 115, in start > File "/home/ctheune/gocept/code/...**deployment/eggs/Twisted-10.2.** > 0-py2.6-linux-x86_64.egg/**twisted/internet/base.py", line 1158, in run > File "/home/ctheune/gocept/code/...**deployment/eggs/Twisted-10.2.** > 0-py2.6-linux-x86_64.egg/**twisted/internet/base.py", line 1172, in > mainLoop > <type 'exceptions.AttributeError'>: 'NoneType' object has no attribute > 'msg' > > This ends up in the worker not correctly unregistered and thus on next > startup: > > Exception in thread Thread-1 (most likely raised during interpreter > shutdown): > Traceback (most recent call last): > File "/home/ctheune/local/lib/**python2.6/threading.py", line 532, in > __bootstrap_inner > File "/home/ctheune/local/lib/**python2.6/threading.py", line 484, in run > File "/home/ctheune/gocept/code/**webwork.deployment/eggs/zc.** > async-1.5.4-py2.6.egg/zc/**async/subscribers.py", line 115, in start > File "/home/ctheune/gocept/code/**webwork.deployment/eggs/** > Twisted-10.2.0-py2.6-linux-**x86_64.egg/twisted/internet/**base.py", line > 1158, in run > File "/home/ctheune/gocept/code/**webwork.deployment/eggs/** > Twisted-10.2.0-py2.6-linux-**x86_64.egg/twisted/internet/**base.py", line > 1172, in mainLoop > <type 'exceptions.AttributeError'>: 'NoneType' object has no attribute > 'msg' > > The funny thing is: although this instance didn't get to register it will > then on regular shutdown: > > 2012-03-01 11:54:56 INFO zc.async.events deactivated dispatcher > 8da98af0-5c95-11e1-a205-**0024e8d50597 > 2012-03-01 11:54:56 INFO SignalHandler Caught signal SIGINT > 2012-03-01 11:54:56 INFO Z2 Shutting down > > The first issue (fast shutdown) you can avoid by simply not sending > SIGTERM and switching to always use SIGINT. (For some reason zdaemon seems > to do that by default when sending SIGTERM to the daemon manager.) > > The second issue seems like a bad thing. Right? > > Any comments? > Christian > > > > -- > Christian Theune · c...@gocept.com > gocept gmbh & co. kg · forsterstraße 29 · 06112 halle (saale) · germany > http://gocept.com · tel +49 345 1229889 0 · fax +49 345 1229889 1 > Zope and Plone consulting, development, hosting, operations > > ______________________________**_________________ > Zope-Dev maillist - Zope-Dev@zope.org > https://mail.zope.org/mailman/**listinfo/zope-dev<https://mail.zope.org/mailman/listinfo/zope-dev> > ** No cross posts or HTML encoding! ** > (Related lists - > https://mail.zope.org/mailman/**listinfo/zope-announce<https://mail.zope.org/mailman/listinfo/zope-announce> > https://mail.zope.org/mailman/**listinfo/zope<https://mail.zope.org/mailman/listinfo/zope>) >
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