1
"1) Go to ST01 and switch ON the trace
2) Do the required actions on Java webdynpro screen such as (Press any Button: Save/update/Delete)
3) Go to ST01 and switch OFF the trace and Press analysis to see the required RFCs
4) Go to SE37 and find the RFC name. on the external debugging , put the break point
5) Do the required actions on Java webdynpro screen as done in step 2 and find that the debugger is on."
1
"BAPIs are remote enabled function modules that provide external access (from standalone JAVA or VB) to an SAP Business Application like ""Create Sales Order"" wrapped in Business Objects. BAPI cannot contain Exceptions.
RFC is a protocol for communication between different systems within SAP environment similar to HTTP. It can contain Exceptions."