Error handling in BizTalk and the ESB Toolkit

The ESB Toolkit Exception Handling framework is meant to complement and standardize the usage of the existing error handling features included in BizTalk. The out of the box error handling features included in BizTalk are good, but a support model based solely on these becomes too manual and laborious for the teams supporting the solution. The following are some issues:

• Inconsistent pattern for messaging and orchestration: The messages that fail during the processing of the messaging engine (during the execution of a pipeline for example) get suspended or, if Failed Messages Routing is enabled in the corresponding port, routed to failed messages subscribers. In our orchestrations we don't have the same feature. We could create our own exception handling blocks to promote the same context properties Failed Messages Routing does, so the behavior was somehow similar, but we would still need to create those exception handling libraries so those were...