Camel in Action, Second Edition

11 Error handling

This chapter covers

• Understanding error handling
• Knowing where and when Camel’s error handling applies
• Using the various error handlers in Camel
• Using redelivery policies
• Handling exceptions with onException
• Reusing error handlers in all your routes
• Performing fine-grained control of error handling

You’ve now reached the halfway mark of this book, and we’ve covered a lot of ground. But what you’re about to embark on in this chapter is one of the toughest topics in integration: how to deal with the unexpected.

Writing applications that integrate disparate systems is a challenge when it comes to handling unexpected events. In a single system that you fully control, you can handle these events and recover. But systems that ...