Thanks Alexey. Unfortunately, the server in question is not ours and we
do not even have log in on it, so any kind of sane analysis is probably
out of the question.
All we can do is try deploying another version with changes that will
either fix the problem (we hope) or yield some more information about
what is going on.
-=bill
Alexey Solofnenko wrote:
Everything is possible, but unlikely. Please try running server stack
trace from
http://tmitevski.users.mcs2.netarray.com/stacktrace/app/launch.jnlp to
get a thread dump. It will show the list of threads and what locks
they have acquired and what locks they are waiting for.
- Alexey.
Wm.A.Stafford wrote:
We are deploying a newer version of a web app to run in the same
Tomcat instance (1.4.31) as the existing version. On our development
servers, winXP, if the new version encounters a startup problem the
production app will start and only the new version will fail.
On the production server, which is linux, Tomcat seems to 'hang' on
the first failure encountered when starting the new app and nothing
further happens. Tomcat has to be restarted after deleting the new
app when it enters this state. In the localhost log the last log
entry is the exception logged from the new app and there is no
further logging. Since we have been doing some database changes the
usual error that causes this is Jakarta DBCP connection failure but
we have also seen it for a missing class file. So I don't think the
error per se is at the root of the problem.
To me this looks like a deadlock. Is it possible for one Tomcat web
application to deadlock with another? An obvious difference is
windows vs linux servers. Could there be some config issue for
Tomcat on linux that would lead to this behavior?
We are completely stumped by this, any ideas or suggestions would be
appreciated.
-=bill
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