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From Randy Layman <randy.lay...@aswethink.com>
Subject RE: TOMCAT 4.0.2 server crash
Date Mon, 04 Mar 2002 11:45:12 GMT

	Sun has a page on their website listing all the registered driver
vendor and they have JDBC mailing lists and forums where these questions
would be appropriate.

	Randy

> -----Original Message-----
> From: Keith Ng [mailto:woonbock@yahoo.com]
> Sent: Saturday, March 02, 2002 10:33 AM
> To: Tomcat Users List
> Subject: RE: TOMCAT 4.0.2 server crash
> 
> 
> Ok this is a little off topic but i reli need help on this..
> 
> the odbc-jdbc bridge has crashed my tomcat more den 1 time 
> and i need to ask
> if anyone here uses any type 3/4 drivers and finds it very 
> stable?(like not
> crashing tomcat) and has very good perfromance? And btw... i 
> noe for applets
> u definately have to use type 3 drivers, but for web 
> applications(tomcat and
> jsp/servlets) which one is recommended ? 3 or 4? Im currently using
> ThinAccess 2.3 right now, and its type 3 driver , i used it 
> for applets, but
> aint very sure if its good for jsp/servlets connections....
> 
> -----Original Message-----
> From: Reynir Hübner [mailto:reynir@hugsmidjan.is]
> Sent: Friday, March 01, 2002 11:23 PM
> To: Tomcat Users List
> Subject: RE: TOMCAT 4.0.2 server crash
> 
> 
> Microsoft licensed the Merant msSQL JDBC driver, it´s downloadable for
> free from the Microsoft website.
> 
> Last time I checked it was quite good.
> 
> hope it helps
> -reynir@hugsmidjan.is
> 
> 
> > -----Original Message-----
> > From: Keith Ng [mailto:woonbock@yahoo.com]
> > Sent: 1. mars 2002 15:12
> > To: Tomcat Users List
> > Cc: randy.layman@aswethink.com
> > Subject: RE: TOMCAT 4.0.2 server crash
> >
> >
> >
> > Oooh I didnt noe tat matters. So wat about other drivers?
> > which is thread
> > safe and which is not?
> > I also realise i do have many problems regarding database access.
> > Im using MSSQL 2000 btw. whcih driver do u recommend?
> >
> >
> > -----Original Message-----
> > From: Randy Layman [mailto:randy.layman@aswethink.com]
> > Sent: Friday, March 01, 2002 7:43 PM
> > To: 'Tomcat Users List'
> > Subject: RE: TOMCAT 4.0.2 server crash
> >
> >
> >
> > 	Stop using the JDBC-ODBC bridge.  Its not thread safe
> > and will crash
> > Tomcat (or any other JVM for that matter) that attempts
> > concurrent database
> > access.
> >
> > 	Randy
> >
> > > -----Original Message-----
> > > From: Keith Ng [mailto:woonbock@yahoo.com]
> > > Sent: Friday, March 01, 2002 4:19 AM
> > > To: Tomcat Users List
> > > Subject: TOMCAT 4.0.2 server crash
> > >
> > >
> > > Hi
> > >
> > > I set up my tomcat server from home and then went to school
> > > to try access.
> > > for a while it was ok, but after repeatly doing many database
> > > queries and
> > > processing, suddenly i wasnt able to access the server. It
> > returned a
> > > gateway timeout error. I den went home just now and realise
> > > the Tomcat does
> > > window is gone. I went to the log and track the following.
> > >
> > >
> > > ACCESS LOG
> > > ===========
> > > 153.20.95.66 - - [01/Mar/2002:13:43:45 8000] "GET
> > > /ps/jscripts/validateRegister.js HTTP/1.1" 304 -
> > > 153.20.95.66 - - [01/Mar/2002:13:43:46 8000] "GET
> > > /ps/jscripts/validateAdvSearch.js HTTP/1.1" 304 -
> > > //153.20.95.66 is my school's pc ip. its the last GET request
> > > 127.0.0.1 - - [01/Mar/2002:16:11:07 8000] "GET
> > > /ps/css/PSCSS.css HTTP/1.1"
> > > 304 -
> > > ==========
> > >
> > > LOG
> > > 2002-03-01 13:42:40 jsp: init
> > > 2002-03-01 13:42:40 jsp: init
> > > 2002-03-01 13:43:27 jsp: init
> > > 2002-03-01 13:43:29 jsp: init
> > > 2002-03-01 13:43:45 jsp: init
> > >
> > > after this supposedly there is no more request from school pc
> > > i went home and found tomcat server dos window gone
> > >
> > > as u can see, there is no clear wat has happened at all. Is
> > > there any other
> > > logs i have missed regarding the auto shutdown of tomcat? Can
> > > anyone tell me
> > > wat could have happened to cause tomcat to auto shutdown? 
> Thanks...
> > >
> > >
> > >
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