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From "neal" <nealcab...@yahoo.com>
Subject RE: DBCP Woes!
Date Wed, 30 Oct 2002 01:43:46 GMT
Thanks for the poolman links.  Well, I'm invested in DBCP already so I'll
give it another day to explain itself to me. ;-)  It not by then, I think
I'll dive into Poolman.

Thanks.
Neal


-----Original Message-----
From: Mike Jackson [mailto:mjackson@cdi-hq.com]
Sent: Tuesday, October 29, 2002 4:02 PM
To: Tomcat Users List
Subject: RE: DBCP Woes!


Here's two links, these are the one's I've got archived.  They
should be latest, unless they've started development again.
But really, I've never had any problems with poolman, so...

	http://www.cdi-hq.com/mj/poolman-2.0.4.tar.gz
	http://www.cdi-hq.com/mj/poolman-2.1-b1.tar.gz

--mikej
-=-----
mike jackson
mjackson@cdi-hq.com

> -----Original Message-----
> From: neal [mailto:nealcabage@yahoo.com]
> Sent: Tuesday, October 29, 2002 4:52 PM
> To: Tomcat Users List
> Subject: RE: DBCP Woes!
>
>
> Interesting.  Yeah, this error occassionally pops up and ocassionally goes
> away.  When its flaring up I can't get any connections via DBCP.  But, I
> still can through regular (non-pooled) JDBC.  Uuugh.
>
> Maybe I should look at Poolman.  Where can you download it from?
>
> Are there many people out there successfully using DBCP?  I don't
> know if it
> matters but I'm using 4.0.4 and had to install all the classes myself.  It
> didn't come with Tomcat as it curently does in 4.1.
>
> Neal
>
>
> -----Original Message-----
> From: Mike Jackson [mailto:mjackson@cdi-hq.com]
> Sent: Tuesday, October 29, 2002 3:44 PM
> To: Tomcat Users List
> Subject: RE: DBCP Woes!
>
>
> I don't think anyone's actively working on it anymore, but it's rock solid
> (tm).
> At least with the way that I'm using it.
>
> As for the JDBC thing, it looks like it's the underlying JDBC driver.  I
> don't
> know how DBCP works, but I'd imagine that it's not too different from
> Poolman.
> The point is that if there isn't a connection it's going to make
> a new one,
> and
> that error looks like that's probably where it's occuring.  The
> error looks
> like
> it can't find the hsql driver, something to do with the name lookup via
> jndi.
> But I'm not an expert on jndi, so I probably can't help you there.  If it
> manages
> to make connections fine up to a point then I'd look at a limit in the
> database,
> there could be something that'll only allow up to so many
> connections to be
> created without closing the older ones.  But that's just a guess.
>
> If you want to try out poolman I have the .tar.gz's for both the last beta
> and
> the last "release" version.  I'd be happy to email them to you if
> you wish.
> And I could even through in an example config xml file (points at oracle).
>
> --mikej
> -=-----
> mike jackson
> mjackson@cdi-hq.com
>
> > -----Original Message-----
> > From: neal [mailto:nealcabage@yahoo.com]
> > Sent: Tuesday, October 29, 2002 4:32 PM
> > To: Tomcat Users List
> > Subject: RE: DBCP Woes!
> >
> >
> > I considered poolman but it doesn't look like its supported or even
> > available from the website to download anymore.  Is this the
> case?  I have
> > heard good things about it.
> >
> > Don't suppose you understand this JDBC conext binding error, do you?
> >
> > Thanks.
> > Neal
> >
> >
> > -----Original Message-----
> > From: Mike Jackson [mailto:mjackson@cdi-hq.com]
> > Sent: Tuesday, October 29, 2002 3:25 PM
> > To: Tomcat Users List
> > Subject: RE: DBCP Woes!
> >
> >
> > Poolman works nicely, I have little to no problems with it.  Then again
> > I haven't used DBCP.  But you'd still have had the exhasted connections
> > problem with poolman.
> >
> > --mikej
> > -=-----
> > mike jackson
> > mjackson@cdi-hq.com
> >
> > > -----Original Message-----
> > > From: neal [mailto:nealcabage@yahoo.com]
> > > Sent: Tuesday, October 29, 2002 4:22 PM
> > > To: Tomcat Users List
> > > Subject: RE: DBCP Woes!
> > >
> > >
> > > Now I have some other strange error related to accessing my
> > > database.  Ever
> > > since I started messing with thsi stuff my conneciton to my
> dB has been
> > > flakey at best.  Sometimes it works ... sometimes it doesn't.
> > >
> > > javax.naming.NamingException: Exception creating DataSource:
> > > org.hsql.jdbcDriver
> > >
> > > I don't even know where this class is defined or called!!!
> > >
> > > >:(
> > >
> > > Neal
> > >
> > >
> > >
> > >
> > > Still having DBCP problems.
> > >
> > > I ensured that all my connections, statements, and resulset objects
> > > are being properly released when using DBCP for connection
> pooling. I've
> > > enabled recoverAbandoned. It seems that yes I did have some
> > > connection pool
> > > leaking,
> > > but that has since been resolved.  But I still get this message
> > > (along with
> > > a
> > > failure) from time to time.  Does anyone know why?
> > >
> > > javax.naming.NameNotFoundException: Name jdbc is not bound in
> > this Context
> > >
> > > This is a different message than I was getting when I was
> > having problems
> > > with the DBCP pool being exhausted.
> > >
> > > Thanks!
> > > Neal
> > >
> > >
> > > --
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