This capability lets business process designers model and catch system exceptions, and execute error logic if a BPEL client returns a system exception.
业务流程设计人员使用此功能可以模拟和捕获系统异常,并在BPEL客户端返回系统异常时执行错误逻辑。
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Suppose the exception contained nested exceptions, and those exceptions also may contain other exceptions. You would need to override the execute method to create error messages for each of these.