Error handling in mediations

The actions taken in the event of an error occurring during mediation processing are summarized in the following table:

Error	Action taken
Unchecked runtime exception	The message is sent to the exception destination. Any transaction is rolled back.
Checked message context exception	The message is sent to the exception destination. Any transaction is committed.
EJB exception	Message is eligible for re-mediation.
An error occurs in the process of calling a mediation.	The mediation is not called. The message is eligible for re-mediation.
The mediation returns true, and the message is not well formed.	The original pre-mediated message is sent to the exception destination. Any transaction is committed.