Retrying an operation
Sometimes the best way to fix an error that was triggered when invoking a service is to try sending it again, as the backend infrastructure may be temporarily unavailable. Camel makes it easy to specify policies that automatically retry making calls before flagging a message as an error. This recipe will show some of the ways in which you can control the retry policies for your integration routes.
Getting ready
The Java code for this recipe is located in the org.camelcookbook.error.retry package. The Spring XML files are located under src/main/resources/META-INF/spring and prefixed with retry.
How to do it...
In the XML DSL, define an errorHandler element within the camelContext element, and reference its id with the camelContext element's errorHandlerRef attribute. Within the errorHandler element, create a child redeliveryPolicy element, which provides the maximumRedeliveries and redeliveryDelay attributes, among many other options. This will set the base error handler...
