'commit' cant be called when a global transaction is active

Question

I have a edit Form build from a findBreederById(Method), which comes from a toplink object.
After changing any field and pressing the save button nothing is changed, and
the OC4J logs shows the exception in this email subject.
This is the code attached to the Save button:
<methodAction id="mergeEntity"
InstanceName="PetsPublicInterfaceLocal.dataProvider"
DataControl="PetsPublicInterfaceLocal"
MethodName="mergeEntity" RequiresUpdateModel="true"
Action="999"
ReturnName="PetsPublicInterfaceLocal.methodResults.PetsPublicInterfaceLocal_dataProvider_mergeEntity_result">
<NamedData NDName="entity"
NDValue="${bindings.findBreedersByIdIter.currentRow.dataProvider}"
NDType="java.lang.Object"/>
</methodAction>
Any ideas ?
Thank you.
Roger.

Answer 1

Hello Roger,
I have the exact same problem as you. I was told to remove the commit() line from the code, which I did. The error stopped but no changes where made to the database, so I started using the "writeChanges()" method instead of commit(). Changes are posted to the database but no commit is made until I close my session. The thing is that I need commit to be made (of course!!)..... Does anyone know how can this be acomplished?
The mergeEntity() method code (which executes every time I press the "save" button) I have is as follows:
public Object mergeEntity(Object entity) {
UnitOfWork uow = getSessionFactory().acquireUnitOfWork();
Object workingCopy = uow.readObject(entity);
if (workingCopy == null)
throw new RuntimeException("Could not find entity to update");
uow.deepMergeClone(entity);
uow.writeChanges();
//uow.commit();
return workingCopy;
}