I really can't tell what you are doing from your description, and you
appear at one point to imply that you have a BMT entity bean which is
impossible.
The spec is trying to lead you, in a stateless session bean, to code ut
usage something like this:
ut.begin();
try {
//do something
} finally {
ut.commit();//or rollback
}
Is this what you have?
thanks
david jencks
On 2002.09.05 10:54:59 -0400 Bruce Snyder wrote:
> Using JBoss 3.0.1 on RedHat 7.3, I have been stuck on the following
> error for a bit and it's driving me crazy:
>
> Application error: BMT stateless bean PlanLockService should complete
> transactions before returning (ejb1.1 spec, 11.6.1)
>
> This error occurs in an EJB that is doing BMP via classes that make up
> the DAO pattern with BMT via the UserTransaction interface.
>
> Here is the sequence of events I'm performing:
>
> 1) start UserTransaction
> 2) get connection
> 3) failure occurs here with above error
> 4) do some work
> 5) close connection
> 6) commit UserTransaction
>
> I believe I'm following the necessary steps for mixing UserTransactions
> and database connections with JBoss. The fact that the app fails upon
> returning from getting a connection is very perplexing.
>
> The EJB 1.1 spec, section 11.6.1 says:
>
> "If a stateless session bean instance starts a transaction in a
> business method, it must commit the transaction before the business
> method returns."
>
> What exactly does this statement imply by stating that a transaction
> must commit before the method returns?
>
> I'm starting a UserTransaction by calling a method in the EJB.
> Then the following steps take place:
>
> a) EJB grabs a connection from the OracleDS via JBoss
> b) connection is passed to a factory
> c) connection is passed to another factory
> d) connection is passed to the DAO object via reflection
> e) DAO object returns to EJB
> f) call to grab connection completes
> g) the following exception occurs:
>
> java.rmi.RemoteException: Application error: BMT stateless bean
> PlanLockService should complete transactions before returning
> (ejb1.1 spec, 11.6.1)
>
> at
>org.jboss.ejb.plugins.AbstractTxInterceptorBMT.checkStatelessDone(AbstractTxInterceptorBMT.java:199)
> at
>org.jboss.ejb.plugins.AbstractTxInterceptorBMT.invokeNext(AbstractTxInterceptorBMT.java:148)
> at org.jboss.ejb.plugins.TxInterceptorBMT.invoke(TxInterceptorBMT.java:62)
> at
>org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:77)
> at
>org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:130)
> at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:203)
> at
>org.jboss.ejb.StatelessSessionContainer.invoke(StatelessSessionContainer.java:313)
> at org.jboss.ejb.Container.invoke(Container.java:711)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:491)
> at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:370)
> at java.lang.reflect.Method.invoke(Native Method)
> at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:241)
>
> at sun.rmi.transport.Transport$1.run(Transport.java:152)
> at java.security.AccessController.doPrivileged(Native Method)
> at sun.rmi.transport.Transport.serviceCall(Transport.java:148)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:465)
> at
>sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:706)
> at java.lang.Thread.run(Thread.java:484)
>
> All I've done from the client so far is make a call to the EJB to start
> the UserTransaction, yet the exception is occurring.
>
> I certainly hope that someone, anyone can provide me some clarification
> on this problem. The last time I posted a question about UserTransactions
> I had to practically beg for assistance.
>
> Any amount of help is truly appreciated.
>
> Bruce
> --
> perl -e 'print unpack("u30","<0G)U8V4\@4VYY9&5R\"F9E<G)E=\$\!F<FEI+F-O;0\`\`");'
>
>
>
>
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