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IIS Application Pools and ColdFusion
Author: Michael van Leest
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:58206#316105
Also give recreate wsconfig another try. Remove the cf instance from IIS and
add the connection again...
This helped me in the past with these weird IIS crashes.
Michael
2008/12/2 Gaulin, Mark <mgaulin@globalspec.com>
----- Excess quoted text cut - see Original Post for more -----
Author: Gaulin, Mark
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:58206#316104
Another easy thing to try: Drop and recreate your app pool. It sounds
stupid but we had one server where one app pool wasn't stable but all of
the other servers we had (running the same app) were fine. Recreating
the app pool resolved the issue.
BTW, you should be seeing failures in your Event Viewer. Check them
out... You might find something useful in there... Even just knowing
when (exactly) the failures are happening can be useful.
Thanks
Mark
----- Excess quoted text cut - see Original Post for more -----
Author: Matthew Small
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:58206#316087
Any shutdown in an IIS application pool is a process crash and needs to be
debugged with a post-mortem userdump. My recommendation is that you open a
support ticket with Microsoft to identify the root cause. Be aware, however,
that in 90% of the cases we see, the cause is in a 3rd party component (meaning
the JRUN ISAPI dll or something else, not an IIS problem in itself) acting up and
we will only be able to go so far with the root cause analysis. However, when we
identify the issue, we ought to be able to more properly direct you to the right
place to get the next level of support.
Regards,
Matt Small
----- Excess quoted text cut - see Original Post for more -----
Author: Gaulin, Mark
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:58206#316078
I don't know about MS 2003 too much, but in 2008 the app pools have two
related "Rapid-fail protection" settings that we had to tweak: the
"maximum failures" and "failure interval". It appears that app pools
can be set up to shut themselves down when IIS sees too many errors
within a given amount of time. The defaults are 5 errors in 5 minutes,
which is not very forgiving. (We were generating http error responses on
purpose and this triggered a shutdown until we figured out what was
going on.)
We have recently migrated all of our applications to a new MS 2003
server. Ever since the applications kept going down even though the
server was still up and functioning normally. Eventually we figured out
that it was the application pool that went down. We separated the
applications out to another application pool and eventually identified
one application as the source of the problem. So now all other
applications are up but this one application keeps going down. But now
what? we have no clues how to fix this. It is an old fusebox 3
application and we are using wsconfig to connect between IIS and JRUN.
What kind of activities in the site that can possibly bring down the
application pool? We have an upload feature, but I don't think it is
used extensively. Please help!
Johnny
Author: Johnny Le
Short Link: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:58206#316077
We have recently migrated all of our applications to a new MS 2003 server. Ever
since the applications kept going down even though the server was still up and
functioning normally. Eventually we figured out that it was the application pool
that went down. We separated the applications out to another application pool
and eventually identified one application as the source of the problem. So now
all other applications are up but this one application keeps going down. But now
what? we have no clues how to fix this. It is an old fusebox 3 application and
we are using wsconfig to connect between IIS and JRUN. What kind of activities
in the site that can possibly bring down the application pool? We have an upload
feature, but I don't think it is used extensively. Please help!
Johnny
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May 24, 2012
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