I think the big problem is that Oracle didn't put much thought on the naming 
convention for its jdbc drivers, so basically all versions are classes12.zip. There 
are a very big library of releases and there is not (or at least I haven't found a 
central repository). You have to unzip/unjar the file and see what it contains. If you 
see things like ocijdbc9_g.dll, it will work with 9i.

I personally keep a directory structure where I put all releases of classes12.zip that 
I find, and with which versions, jdk, OS and connection type (thin/OCI) they work.

Ex: 
NT/8.1.7/Thin/classes12.zip 1887KB
NT/8.1.7.1/Thin/classes12.zip 1888KB
NT/9.0.1/Thin/classes12.zip 1081KB

There are sometimes patches with one or two classes, that you have to move to your all 
zip to make it work. Many times a jdbc may work with thin client but not with fat, or 
work in NT but not in Solaris. Personally I think Oracle has done a mess with this, 
the only solution is try until you find a good one. 

By the way, having the latest doesn't warranty it will work with your current setup. 
The are not backward compatible.

angel

-----Original Message-----
From: Laura [mailto:[EMAIL PROTECTED]]
Sent: Monday, April 15, 2002 1:06 PM
To: Tomcat Users List
Subject: Re: AW: PLEASE HELP ME: JNDI ERROR 1


I use classes12.jar (classes12.zip): well, the database my examples  was ok 
with, was 8i.
My new database I don't know what version is: if it was 9i which driver I 
should use?


Laura



Alle 19:00, lunedì 15 aprile 2002, hai scritto:
> If the Oracle database that you are trying to connect to is a different
> version than the old one, check for updated Oracle jdbc drivers
> (classes12.zip). I have found that there are many releases of this file,
> and newer releases are not always backwards compatible. For instance,
> classes12.zip that work well with 8i do not work well with 9i.
>
> angel
>
> -----Original Message-----
> From: peter lin [mailto:[EMAIL PROTECTED]]
> Sent: Monday, April 15, 2002 12:48 PM
> To: Tomcat Users List
> Subject: Re: AW: PLEASE HELP ME: JNDI ERROR 1
>
>
>
> look in the tnslistener network log to see if tomcat is getting to the
> machine correctly. If not, it's most likely a typo someplace. If it is,
> the log will give you more data to debug the problem.
>
> peter lin
>
> Laura wrote:
> > But I have controlled all.
> >
> > If I try to connect with sql plus, I connect to the db.
> >
> > Any suggestions?
> >
> > Laura
> >
> > Alle 18:30, lunedì 15 aprile 2002, hai scritto:
> > > You said that you changed user, password, and url.
> > >
> > > I would suspect, that you mistyped either the name
> > > of the server or the port or that your new database
> > > is using different parameters than your old one.
> > >
> > > > -----Ursprüngliche Nachricht-----
> > > > Von: Laura [mailto:[EMAIL PROTECTED]]
> > > > Gesendet: Montag, 15. April 2002 18:26
> > > > An: Tomcat Users List
> > > > Betreff: PLEASE HELP ME: JNDI ERROR 1
> >
> > --
> > To unsubscribe:   <mailto:[EMAIL PROTECTED]>
> > For additional commands: <mailto:[EMAIL PROTECTED]>
> > Troubles with the list: <mailto:[EMAIL PROTECTED]>

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