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From "Sandy McArthur" <sandy...@apache.org>
Subject Re: Connection not getting released to pool .. ORA-01453 error
Date Wed, 29 Mar 2006 20:35:31 GMT
Hrm, sorry. I've never really used Oracle and I'm not familiar with it
and Dbcp. Hopefully someone else can help you.

On 3/29/06, vivek sar <vivextra@gmail.com> wrote:
> Hi,
>
>  I don't have stack trace for the dbcp itself, but here is what I get
> in my application log,
>
>      SQLException ORA-01555: snapshot too old: rollback segment
> number 9 with name "_SYSSMU9$" too small
>
> TorqueException: ORA-01453: SET TRANSACTION must be first statement of
> transaction
>
> Basically, after any insert failure (it could be any sqlexception) I
> get ORA-01453 and that freezes the connection.
>
> Thanks,
> -vivek
>
>
>
> On 3/24/06, Sandy McArthur <sandymac@apache.org> wrote:
> > Can you provide any stack traces?
> >
> > On 3/24/06, vivek sar <vivextra@gmail.com> wrote:
> > >  Using,
> > >            torque-3.1.jar, commons-dbcp-1.2.1.jar, commons-collections-3.1.jar
> > >
> > >  I am having this weird problem. In case an "insert" query fails
> > > (could be for any reason) in my case it is because of bad blocks on
> > > db, the subsequent query (like a "select" statement) gives me,
> > >       "ORA- 01453 - Set Transaction must be the first statement"
> > >
> > > error message. Once I get this exception the connection associated
> > > with this error gets frozen - it never gets released to the connection
> > > pool. I've configured maxActive to be 20 connections, so after 20 of
> > > these "ORA-01453" messages my application freezes and all other tasks
> > > just keep waiting for the connection indefinitely.
> > >
> > > I am using "SharedPoolDataSource" dbcp connection pool.
> > >
> > >  I am not using Transaction explicitly in my code. To get connection I use,
> > >
> > >      Torque.getConnection("xxxx");
> > >
> > > I am not sure if this is a bug in torque or dbcp. On my code I don't
> > > see any problem as I've the finally block where I close the connection
> > > before exiting the method.
> > >
> > > Does anyone has any experience with this ?
> >
> > --
> > Sandy McArthur
> >
> > "He who dares not offend cannot be honest."
> > - Thomas Paine
> >
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> >
>
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>


--
Sandy McArthur

"He who dares not offend cannot be honest."
- Thomas Paine

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