as far as I know, the concept of green and native threads only applies
to Unix systems...?

-- Michael


On Fri, Jul 01, 2005 at 10:44:38AM +0200, delbd wrote:
> Maybe you could switch the jvm to green threads ?
> Le Vendredi 1 Juillet 2005 09:57, Michael Kleinhenz a écrit :
> > 
> > maybe. I can't confirm, because it fails so fast, I can't take a look in 
> > the manager app to see the exact number of threads when it begins hanging.
> > 
> > I experienced the problem with Tomcat 5.0.28+JDK1.4.2 and Tomcat 
> > 5.5.9+JDK1.5.0 while my (somewhat slower) notebook can do 800+ threads 
> > with Debian and 5.0.28+1.4.2 without problems.
> > 
> > Seems to me like a Windows problem, but I can't find anything in the 
> > docs nor via Google.. ;-(
> > 
> > Windows sucks..
> > 
> > -- Michael
> > 
> > delbd schrieb:
> > > Just by curiosity, does it have something like '511 Threads is ok but 512 
> > > fails?' :D
> > > Le Jeudi 30 Juin 2005 15:09, Michael Kleinhenz a écrit :
> > > 
> > >>Hi,
> > >>
> > >>I'm currently integrating a SOAP-based middleware on Tomcat (5.5.9) with
> > >>Sun JDK 1.5.0_02 and get into problems when using maxThreads with a
> > >>value greater than 500.
> > >>
> > >>Tomcat locks up completely without getting back to normal operations
> > >>after a while. No exception or error is reported in the logs, it just
> > >>stops. All connections are refused after the lockup. Tomcat has enough
> > >>memory (>1GB) assigned with the JVM options.
> > >>
> > >>If I use maxThreads="500", the server runs fine, but 500 is not enough
> > >>for my project ;-(
> > >>
> > >>I tried to increase the stack size, but this doesn't help..
> > >>
> > >>The connector is defined as:
> > >>
> > >><Connector port="8888" maxHttpHeaderSize="8192" maxThreads="500"
> > >>   minSpareThreads="50" maxSpareThreads="150" enableLookups="false"
> > >>   redirectPort="8443" acceptCount="200" connectionTimeout="20000"
> > >>   disableUploadTimeout="true"/>
> > >>
> > >>If I change 500 to 700 or more, Tomcat locks up. Is this a Windows
> > >>problem?? 
> > >>
> > >>Hardware is not an issue, I think.. (dual Xeon 3,4GHz, 4GB)..
> > >>
> > >>Thanks,
> > >>Michael
> > >>
> > > 
> > > 
> > 
> > 
> 
> -- 
> David Delbecq
> Royal Meteorological Institute of Belgium
> 
> -
> Is there life after /sbin/halt -p?
> 
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-- 
Michael Kleinhenz
tarent GmbH . Bahnhofstr. 13 . 53123 Bonn
fon +49 (228) / 52 67 5-0 . fax +49 (228) / 52 67 5-25

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