Business developer needs to develop fault-tolerant process, but fault-tolerant process development based on exception handling mechanism provided by BPEL costs much time and is easy to make mistake. We analyze application exception throw chain theory of service-oriented system. Exception throwing of BPEL process is broadcasted among component layer, service layer and process layer. We also propose an application exception handling method for BPEL by using EHPDL-P. EHPDL-P can separate normal business logic and exception business logic, and thus it can enhance BPEL fault...
