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Camel supports the Dead Letter Channel from the EIP patterns using the DeadLetterChannel processor which is an Error Handler.
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It is common for a temporary outage or database deadlock to cause a message to fail to process; but the chances are if its tried a few more times with some time delay then it will complete fine. So we typically wish to use some kind of redelivery policy to decide how many times to try redeliver a message and how long to wait before redelivery attempts.
The RedeliveryPolicy defines how the message is to be redelivered. You can customize things like
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You can also configure the RedeliveryPolicy as this example shows
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{snippet:id=e4|lang=java|url=camel/trunk/camel-core/src/test/java/org/apache/camel/builder/ErrorHandlerTest.java} |
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