Zope 2

Callback registration for signals ignored under mod_wsgi

Bug #681853 reported by nateaune on 2010-11-26

This bug affects 2 people

Affects		Status	Importance	Assigned to	Milestone
	Zope 2	Fix Released	Medium	Alex Clark	Zope 2 2.13.11

Bug Description

[Fri Nov 26 16:07:55 2010] [warn] mod_wsgi (pid=6747): Callback registration for signal 15 ignored.
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/parts/modwsgi/wsgi", line 227, in <module>
[Fri Nov 26 16:07:55 2010] [warn] application = loadapp("config:/opt/wsgi/zope2.ini")
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 203, in loadapp
[Fri Nov 26 16:07:55 2010] [warn] return loadobj(APP, uri, name=name, **kw)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 224, in loadobj
[Fri Nov 26 16:07:55 2010] [warn] return context.create()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 617, in create
[Fri Nov 26 16:07:55 2010] [warn] return self.object_type.invoke(self)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 163, in invoke
[Fri Nov 26 16:07:55 2010] [warn] app = context.app_context.create()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 617, in create
[Fri Nov 26 16:07:55 2010] [warn] return self.object_type.invoke(self)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 109, in invoke
[Fri Nov 26 16:07:55 2010] [warn] return fix_call(context.object, context.global_conf, **context.local_conf)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/util/fixtypeerror.py", line 57, in fix_call
[Fri Nov 26 16:07:55 2010] [warn] val = callable(*args, **kw)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/run.py", line 68, in make_wsgi_app
[Fri Nov 26 16:07:55 2010] [warn] starter.prepare()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/__init__.py", line 90, in prepare
[Fri Nov 26 16:07:55 2010] [warn] self.registerSignals()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/__init__.py", line 340, in registerSignals
[Fri Nov 26 16:07:55 2010] [warn] self.cfg.trace])
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Signals/Signals.py", line 111, in registerZopeSignals
[Fri Nov 26 16:07:55 2010] [warn] SignalHandler.registerHandler(SIGTERM, shutdownFastHandler)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Signals/SignalHandler.py", line 37, in registerHandler
[Fri Nov 26 16:07:55 2010] [warn] signal.signal(signum, self.signalHandler)
[Fri Nov 26 16:07:55 2010] [warn] mod_wsgi (pid=6747): Callback registration for signal 2 ignored.
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/parts/modwsgi/wsgi", line 227, in <module>
[Fri Nov 26 16:07:55 2010] [warn] application = loadapp("config:/opt/wsgi/zope2.ini")
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 203, in loadapp
[Fri Nov 26 16:07:55 2010] [warn] return loadobj(APP, uri, name=name, **kw)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 224, in loadobj
[Fri Nov 26 16:07:55 2010] [warn] return context.create()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 617, in create
[Fri Nov 26 16:07:55 2010] [warn] return self.object_type.invoke(self)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 163, in invoke
[Fri Nov 26 16:07:55 2010] [warn] app = context.app_context.create()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 617, in create
[Fri Nov 26 16:07:55 2010] [warn] return self.object_type.invoke(self)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 109, in invoke
[Fri Nov 26 16:07:55 2010] [warn] return fix_call(context.object, context.global_conf, **context.local_conf)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/util/fixtypeerror.py", line 57, in fix_call
[Fri Nov 26 16:07:55 2010] [warn] val = callable(*args, **kw)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/run.py", line 68, in make_wsgi_app
[Fri Nov 26 16:07:55 2010] [warn] starter.prepare()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/__init__.py", line 90, in prepare
[Fri Nov 26 16:07:55 2010] [warn] self.registerSignals()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/__init__.py", line 340, in registerSignals
[Fri Nov 26 16:07:55 2010] [warn] self.cfg.trace])
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Signals/Signals.py", line 112, in registerZopeSignals
[Fri Nov 26 16:07:55 2010] [warn] SignalHandler.registerHandler(SIGINT, shutdownHandler)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Signals/SignalHandler.py", line 37, in registerHandler
[Fri Nov 26 16:07:55 2010] [warn] signal.signal(signum, self.signalHandler)
[Fri Nov 26 16:07:55 2010] [warn] mod_wsgi (pid=6747): Callback registration for signal 1 ignored.
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/parts/modwsgi/wsgi", line 227, in <module>
[Fri Nov 26 16:07:55 2010] [warn] application = loadapp("config:/opt/wsgi/zope2.ini")
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 203, in loadapp
[Fri Nov 26 16:07:55 2010] [warn] return loadobj(APP, uri, name=name, **kw)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 224, in loadobj
[Fri Nov 26 16:07:55 2010] [warn] return context.create()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 617, in create
[Fri Nov 26 16:07:55 2010] [warn] return self.object_type.invoke(self)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 163, in invoke
[Fri Nov 26 16:07:55 2010] [warn] app = context.app_context.create()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 617, in create
[Fri Nov 26 16:07:55 2010] [warn] return self.object_type.invoke(self)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 109, in invoke
[Fri Nov 26 16:07:55 2010] [warn] return fix_call(context.object, context.global_conf, **context.local_conf)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/util/fixtypeerror.py", line 57, in fix_call
[Fri Nov 26 16:07:55 2010] [warn] val = callable(*args, **kw)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/run.py", line 68, in make_wsgi_app
[Fri Nov 26 16:07:55 2010] [warn] starter.prepare()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/__init__.py", line 90, in prepare
[Fri Nov 26 16:07:55 2010] [warn] self.registerSignals()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/__init__.py", line 340, in registerSignals
[Fri Nov 26 16:07:55 2010] [warn] self.cfg.trace])
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Signals/Signals.py", line 114, in registerZopeSignals
[Fri Nov 26 16:07:55 2010] [warn] SignalHandler.registerHandler(SIGHUP, restartHandler)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Signals/SignalHandler.py", line 37, in registerHandler
[Fri Nov 26 16:07:55 2010] [warn] signal.signal(signum, self.signalHandler)
[Fri Nov 26 16:07:55 2010] [warn] mod_wsgi (pid=6747): Callback registration for signal 10 ignored.
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/parts/modwsgi/wsgi", line 227, in <module>
[Fri Nov 26 16:07:55 2010] [warn] application = loadapp("config:/opt/wsgi/zope2.ini")
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 203, in loadapp
[Fri Nov 26 16:07:55 2010] [warn] return loadobj(APP, uri, name=name, **kw)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 224, in loadobj
[Fri Nov 26 16:07:55 2010] [warn] return context.create()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 617, in create
[Fri Nov 26 16:07:55 2010] [warn] return self.object_type.invoke(self)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 163, in invoke
[Fri Nov 26 16:07:55 2010] [warn] app = context.app_context.create()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 617, in create
[Fri Nov 26 16:07:55 2010] [warn] return self.object_type.invoke(self)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 109, in invoke
[Fri Nov 26 16:07:55 2010] [warn] return fix_call(context.object, context.global_conf, **context.local_conf)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/util/fixtypeerror.py", line 57, in fix_call
[Fri Nov 26 16:07:55 2010] [warn] val = callable(*args, **kw)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/run.py", line 68, in make_wsgi_app
[Fri Nov 26 16:07:55 2010] [warn] starter.prepare()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/__init__.py", line 90, in prepare
[Fri Nov 26 16:07:55 2010] [warn] self.registerSignals()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/__init__.py", line 340, in registerSignals
[Fri Nov 26 16:07:55 2010] [warn] self.cfg.trace])
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Signals/Signals.py", line 115, in registerZopeSignals
[Fri Nov 26 16:07:55 2010] [warn] SignalHandler.registerHandler(SIGUSR1, showStacks)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Signals/SignalHandler.py", line 37, in registerHandler
[Fri Nov 26 16:07:55 2010] [warn] signal.signal(signum, self.signalHandler)
[Fri Nov 26 16:07:55 2010] [warn] mod_wsgi (pid=6747): Callback registration for signal 12 ignored.
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/parts/modwsgi/wsgi", line 227, in <module>
[Fri Nov 26 16:07:55 2010] [warn] application = loadapp("config:/opt/wsgi/zope2.ini")
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 203, in loadapp
[Fri Nov 26 16:07:55 2010] [warn] return loadobj(APP, uri, name=name, **kw)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 224, in loadobj
[Fri Nov 26 16:07:55 2010] [warn] return context.create()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 617, in create
[Fri Nov 26 16:07:55 2010] [warn] return self.object_type.invoke(self)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 163, in invoke
[Fri Nov 26 16:07:55 2010] [warn] app = context.app_context.create()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 617, in create
[Fri Nov 26 16:07:55 2010] [warn] return self.object_type.invoke(self)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/loadwsgi.py", line 109, in invoke
[Fri Nov 26 16:07:55 2010] [warn] return fix_call(context.object, context.global_conf, **context.local_conf)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/PasteDeploy-1.3.4-py2.6.egg/paste/deploy/util/fixtypeerror.py", line 57, in fix_call
[Fri Nov 26 16:07:55 2010] [warn] val = callable(*args, **kw)
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/run.py", line 68, in make_wsgi_app
[Fri Nov 26 16:07:55 2010] [warn] starter.prepare()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/__init__.py", line 90, in prepare
[Fri Nov 26 16:07:55 2010] [warn] self.registerSignals()
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Zope2/Startup/__init__.py", line 340, in registerSignals
[Fri Nov 26 16:07:55 2010] [warn] self.cfg.trace])
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Signals/Signals.py", line 116, in registerZopeSignals
[Fri Nov 26 16:07:55 2010] [warn] SignalHandler.registerHandler(SIGUSR2, LogfileReopenHandler(loggers))
[Fri Nov 26 16:07:55 2010] [warn] File "/opt/wsgi/eggs/Zope2-2.13.0-py2.6.egg/Signals/SignalHandler.py", line 37, in registerHandler
[Fri Nov 26 16:07:55 2010] [warn] signal.signal(signum, self.signalHandler)

The attached patch as submitted by Reed O'Brien (http://svn.plone.org/svn/plone/sandbox/wsgi-plone4.1-devel/wsgi/signals.patch) seems to solve the problem and makes these warnings go away.

Tags:

Revision history for this message

nateaune (natea) wrote on 2010-11-26:

Patch to avoid the signals warnings Edit (1.3 KiB, text/plain)

Hanno Schlichting (hannosch) on 2010-12-26

Changed in zope2:
importance:	Undecided → Medium
milestone:	none → 2.13.2
status:	New → Confirmed

Hanno Schlichting (hannosch) on 2011-01-19

Changed in zope2:
milestone:	2.13.2 → none

Alex Clark (aclark) on 2011-06-27

Changed in zope2:
assignee:	nobody → Alex Clark (aclark)

Hanno Schlichting (hannosch) on 2011-10-31

Changed in zope2:
milestone:	none → 4.0a1
status:	Confirmed → Fix Committed

Hanno Schlichting (hannosch) on 2011-11-01

Changed in zope2:
milestone:	4.0a1 → 2.13.11

Hanno Schlichting (hannosch) on 2011-12-12

Changed in zope2:
status:	Fix Committed → Fix Released

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Patch to avoid the signals warnings Edit

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