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From "Jeff Butler" <jeffgbut...@gmail.com>
Subject Re: Rollback Issues
Date Thu, 15 Jun 2006 17:35:46 GMT
I remember what was unusual...

You need to make sure that the stored procedure is not doing a commit
(obvious).  What is not so obvious is that you also need to make sure that
there are no DDL statements in the stored procedure.  Oracle implictly
commits after every DDL statement.

Jeff Butler


On 6/15/06, Jeff Butler <jeffgbutler@gmail.com> wrote:
>
>  The plot thickens...
>
> I seem to remember that there is something unusual with Oracle stored
> procedures and transactions.  Sounds to me like the stored procedure call is
> causing a commit somehow.  You could try some other combination of
> statements without a SP call just to check.  I'm not an Oracle person so
> maybe someone else could jump in who's had some experience with stored
> procedures and transactions in Oracle.
>
> Also, what I meant from question 2 was this - what is the actual exception
> you are seeing at runtime that bypasses the commit?  Maybe there is some
> useful information in that exception?
>
> Jeff Butler
>
>
> On 6/15/06, Debasish Dutta Roy <debasish.duttaroy@gmail.com> wrote:
> >
> > OK. Here are the answers
> >
> > 1. First one is an insert & second one is a stored proc call. The first
> > one populates the REQUEST table and the second one gets a number based on
> > the request id.
> > 2. Dao1 and DAO2 catches SQLException and throws DAOException (my
> > exception, not iBATIS DAOException).
> >     This DAOException is caught in the catch block and thrown as a
> > business exception. say RequestFailureException
> > 3. Sampling from my dao.xml
> >
> >
> >     <context>
> >         <transactionManager type="SQLMAP">
> >             <property name="SqlMapConfigResource" value="xml/sql-
> > map-config.xml"/>
> >         </transactionManager>
> >
> >         <!-- DAO declarations -->
> >         <dao interface=" com.novartis.phoenix.db.dao.RequestDAO"
> >             implementation="com.mydao.sqlmap.SqlMapRequestDAOImpl"/>
> >         <dao interface=" com.novartis.phoenix.db.dao.GOSDAO"
> >             implementation=" com.mydao.sqlmap.SqlMapGOSDAOImpl"/>
> >      .......................
> >     </context>
> >
> > Hope this will help.
> >
> >
> > On 6/15/06, Jeff Butler <jeffgbutler@gmail.com > wrote:
> > >
> > >  I think we need a little more information.  I assume that the code
> > > you've prsented is a mocked up example - and everything looks right in your
> > > mock up.
> > >
> > > Questions:
> > >
> > > 1. What is the method secondTask() doing?  Hopefully no transaction
> > > stuff (like another start transaction or a commit).
> > > 2. What Exception is thrown from secondTask()?
> > > 3. By any chance, are DAO1 and DAO2 in different <context> elements in
> > > your dao.xml?  From your mocked up code it doesn't look like they are,
> > > but also doesn't hurt to ask.
> > >
> > > Jeff Butler
> > >
> > >
> > >
> > >
> > > On 6/15/06, Debasish Dutta Roy <debasish.duttaroy@gmail.com > wrote:
> > > >
> > > > offcourse it will be helpful if you could share what you did
> > > > correctly, and if you could find something wrong in my approach. I am
using
> > > > Oracle 9i.
> > > >
> > > >
> > > > On 6/15/06, Tony Qian <daqiqian2@aol.com> wrote:
> > > > >
> > > > >  Yes. It worked for me (MySQL).
> > > > >
> > > > > Tony
> > > > >
> > > > > Debasish Dutta Roy wrote on 6/15/2006, 11:09 AM:
> > > > >
> > > > > Hi All
> > > > > Has anyone successfully tested rollback with DAOManager
> > > > > implementation.
> > > > >
> > > > > I am unable to get it working.
> > > > >
> > > > >
> > > > > I have a business delegate who does like this:
> > > > >
> > > > > DAO1 dao1 = daoManager.getDAO(DAO1.class);
> > > > > DAO2 dao2 = daoManager.getDAO(DAO2.class);
> > > > > try {
> > > > >       daoManager.startTransaction ();
> > > > >       dao1.firstTask();
> > > > >       dao2.secondTask();
> > > > >       daoManager.commitTransaction();
> > > > > } catch (Exception e) {
> > > > >    throw myException;
> > > > > } finally {
> > > > >    daoManager.endTransaction ();
> > > > > }
> > > > >
> > > > >
> > > > > my dao.xml is like this
> > > > >
> > > > >     <context>
> > > > >         <transactionManager type="SQLMAP">
> > > > >             <property name="SqlMapConfigResource" value="xml/sql-
> > > > > map-config.xml "/>
> > > > >         </transactionManager>
> > > > >      ...........
> > > > >      ...........
> > > > >    </context>
> > > > >
> > > > > and the corresponding sql-map-config.xml
> > > > >
> > > > > <sqlMapConfig>
> > > > >
> > > > >     <transactionManager type="JDBC" commitRequired="true">
> > > > >         <dataSource type="JNDI">
> > > > >             <property name="DataSource" value="java:comp/env/jdbc
> > > > > /MyDataSource"/>
> > > > >         </dataSource>
> > > > >     </transactionManager>
> > > > >
> > > > >
> > > >
> > >
> >
>

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