遗憾的是，此特性的效果是，作为非事务拥有者的较低级方法可以对异常执行回滚。

Unfortunately, the effect of this characteristic is that a lower-level method that isn't the transaction owner might perform a rollback on exception.

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Boundary Event附加到一个活动，表示某种类型的异常执行(也就是说，发生了某些导致活动的正常序列流无法执行的事件)。

A Boundary Event is attached to an activity to indicate abnormal execution of some kind (i.e., something has happened such that the normal sequence flow from the activity does not occur).

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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。

This capability lets business process designers model and catch system exceptions, and execute error logic if a BPEL client returns a system exception.

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