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Re: [eclipselink-users] committing / rollback question + entitymanager
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Hi James,
No - no transaction controller configured. We're running Tomcat6 and
Oracle database 10.1.0.4.2 on Linux.
On a different note:
We're using the JPA's underlying JDBC connection to insert data into
another schema for which we've been given grants.
-J.
On Mon, 2008-06-09 at 06:13 -0700, James Sutherland wrote:
> Your config looks correct.
>
> Are you setting a server platform (target-server) or transaction controller
> in EclipseLink?
>
> What server are you running on?
>
>
>
> Leon Derks-2 wrote:
> >
> > Hello
> >
> > I use a datasource.
> >
> > Here are pieces of my persistence.xml:
> >
> > <persistence-unit name="application-web"
> > transaction-type="RESOURCE_LOCAL">
> > <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
> > <non-jta-data-source>java:comp/env/jdbc/myDS</non-jta-data-source>
> > <property name="eclipselink.target-database"
> > value="org.eclipse.persistence.platform.database.oracle.Oracle10Platform"
> > />
> >
> > Here is my datasource definition in the tomcat context.xml
> > <Resource name="jdbc/myDS" auth="Container"
> > type="oracle.jdbc.pool.OracleDataSource"
> > driverClassName="oracle.jdbc.driver.OracleDriver"
> > factory="oracle.jdbc.pool.OracleDataSourceFactory"
> > url="jdbc:oracle:thin:@//localhost:1521/XE" user="test"
> > password="test"
> > connectionCachingEnabled="true" connectionCacheName="AppCache"
> > connectionCacheProperties="{MaxStatementsLimit=40, MinLimit=0,
> > InitialLimit=0,
> > ValidateConnection=true, ConnectionWaitTimeout=10,
> > MaxLimit=20}" />
> >
> > web.xml:
> > <resource-ref>
> > <description>Resource reference to the application
> > Datasource</description>
> > <res-ref-name>jdbc/myDS</res-ref-name>
> > <res-type>javax.sql.DataSource</res-type>
> > <res-auth>Container</res-auth>
> > </resource-ref>
> >
> > Is there something wrong with this configuration?
> >
> > Leon
> >
> > James Sutherland wrote:
> >> My guess would be that you have configured EclipseLink with a JTA
> >> DataSource,
> >> but the DataSource that you are using is not JTA.
> >>
> >> Otherwise something very odd is occurring. Perhaps include your
> >> persistence.xml, and enable logging on finest to see when your
> >> transaction
> >> is begun/committed, it seems your connection is somehow being left in
> >> auto-commit mode, or perhaps your database does not support transactions.
> >>
> >>
> >>
> >> Leon Derks-2 wrote:
> >>
> >>> Hello
> >>>
> >>> I have a problem with the rollback of my transaction. For some reason
> >>> the entities are saved in the db while the transaction has not
> >>> committed.
> >>>
> >>> These are the steps:
> >>>
> >>> try{
> >>> logger.debug(" Starting a transaction");
> >>> entityManager.getTransaction().begin();
> >>> //here do some entityManager.persist(entities);
> >>> //then throw a runtime exception to fake an exception.
> >>> logger.debug("Committing the transaction");
> >>> entityManager.getTransaction().commit();
> >>> catch(Exception e) {
> >>> logger.error(e);
> >>> }
> >>> finally {
> >>> if (entityManager != null &&
> >>> entityManager.getTransaction().isActive()) {
> >>> logger.debug("Rolling back the transaction");
> >>> entityManager.getTransaction().rollback();
> >>> }
> >>>
> >>> This is my logging info:
> >>> Starting a transaction
> >>> exception stacktrace...........
> >>> Rolling back the transaction
> >>>
> >>> As you can see the transaction is not committed but rolled back. However
> >>> there are entities in my db.
> >>>
> >>> How is this possible?
> >>> Leon
> >
>
>
> -----
> ---
> http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland
> http://www.eclipse.org/eclipselink/
> EclipseLink , http://www.oracle.com/technology/products/ias/toplink/
> TopLink
> Wiki: http://wiki.eclipse.org/EclipseLink EclipseLink ,
> http://wiki.oracle.com/page/TopLink TopLink
> Forums: http://forums.oracle.com/forums/forum.jspa?forumID=48 TopLink ,
> http://www.nabble.com/EclipseLink-f26430.html EclipseLink
> Book: http://en.wikibooks.org/wiki/Java_Persistence Java Persistence
