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Here if the processing of seda:inputA or seda:inputB cause a ValidationException to be thrown (such as due to the XSD validation of the Validation component or the Relax NG Compact syntax validation of the Jing component), then the message will be sent to activemq:validationFailed queue.

Exception

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Policy Strategy

As of Camel 1.4 you can configure the ExceptionPolicyStrategy as this example shows. Notice that we use Exception Clause to handle known exceptions being thrown.

{snippet:id=e1|lang=java|url=activemq/camel/trunk/camel-core/src/test/java/org/apache/camel/processor/exceptionpolicy/CustomExceptionPolicyStrategyTest.java}

Using our own strategy MyPolicy we can change the default behavior of Camel with our own code to resolve which ExceptionType from above should be handling the given thrown exception.

{snippet:id=e2|lang=java|url=activemq/camel/trunk/camel-core/src/test/java/org/apache/camel/processor/exceptionpolicy/CustomExceptionPolicyStrategyTest.java}

How does Camel select which clause should handle a given thrown Exception

Camel uses DefaultExceptionPolicyStrategy to determine a strategy how an exception being thrown should be handled by which onException clause. This strategy is:

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