Hi,
This is probably one for JRun's Dev Team, I've been having seemingly
random problems with JRun 3.0 running as a service causing a Dr Watson on
the javaw.exe.
Problems seem to appear when the following happens:
Changing a class, recompiling and changing a jsp page and restarting the
server (via admin tool or services control panel it doesn't matter) and then
a Dr Watson occures upon recompilaion of the jsp
To fix you need to kill the javaw.exe process via a taskmgr.exe started with
system privileges - being a serveice started with system account.
That is to say, it appears that Jrun detects a fault and starts another
javaw.exe, but the crashed one seems to hang around causing problems like,
when you request a page in this state the request just hangs at the browser
and is not handled by the new javaw.exe.
Also if you have a look at the port status via netstat -a -n you can see a
lot of connector ports in a TIME_WAIT state from memory, so the problem may
be something to do with networking.
Only when the process is killed does the port status return to normal.
Sometimes this can occur several times in a row and then on say the sixth or
seventh attempt it will work and no more problems will occur until you next
change a jsp page and java class together. And even then sometimes those
changes work.
If anyone can work out what is causing this, we'd be most grateful... or
even suggest a clean install route that won't cause these problems, such as
using the default-server and app or something.... Either way this is very
annoying - conceptually we're impressed with JRun, but if these problems
continue we will move our dev servers over to apache running tomcat, and
recommend this platform to clients.
thank you - below is an overview of installs we've tried JRun 3.0 on:
o Win 2000 Advanced Sever
Clean install, to be a live server, Jrun Connector used, JDK 1.2.2
**No problems - although no alteration were made to
the jsps after their initial compilation
o Win NT 4 Server SP6
Machine used as workstation for 2.5 years without re-install, JDK 1.2.1
used as dev server, installed alongside Jrun 2.3.3
JRun Connector Used
**No problems - pages changed frequently
o Win NT 4 Server SP6 <-most studied problem machine
Machine used as workstation for 1 year without re-install, JDK 1.2.2
then
JDK 1.2.1 (which helped) used as dev server - Jrun 2.3.3 uninstalled
JRun Connector Used
**Problems - pages changed frequently
JRun Connector Not Used
**Less Problems - pages changed frequently
o Win NT 4 Server SP6
Machine used as server for 3 months without re-install, JDK 1.2.2
used as dev server
JRun Connector Used
**Problems - pages changed frequently
o Win NT 4 Server SP6
Machine used as server for >1 year without re-install, JDK 1.2.2
used as live server, installed alongside Jrun 2.3.3
JRun Connector Used
**No Problems - pages infrequently
if any more information is required just ask.
thanks,
/c
/c>Person -e [EMAIL PROTECTED] -t 01932 237686 -m 07970 255651
/c/..>People -e [EMAIL PROTECTED] -t 01932 237685 -f 08701 266512
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