Also, as per the user guide,
An intermediate catching error on the boundary of an activity, or boundary error event for short, catches errors that are thrown within the scope of the activity on which it is defined.
Defining a boundary error event makes most sense on an embedded subprocess, or a call activity, as a subprocess creates a scope for all activities inside the subprocess. Errors are thrown by error end events. Such an error will propagate its parent scopes upwards until a scope is found on which a boundary error event is defined that matches the error event definition.
When an error event is caught, the activity on which the boundary event is defined is destroyed, also destroying all current executions within (e.g. concurrent activities, nested subprocesses, etc.). Process execution continues following the outgoing sequence flow of the boundary event.
And, i got the below error while tryting to run the junit for the child process and using error end event in child process and bounary event in the parent process.
org.activiti.engine.delegate.BpmnError: No catching boundary event found for error with errorCode
