This tests the rollback logic of transaction. An EJB webservice is invoked by a servlet. This webservice method uses REQUIRED TX_Attribute.

Here is the flow-

1. Standalone client invokes a servlet

2. Servlet creates table CUSTOMER_rb1

3. Servlet starts a UserTransaction

4. Servlet adds a row in the CUSTOMER_rb1 table

5. Servlet calls the EJB webservice

6. EJB webservice adds a row in the CUSTOMER_rb1 table

7. Servlet rollback the transaction

8. It is checked that the data is not updated in the table.

9. Table CUSTOMER_rb1 is dropped