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https://camel.apache.org/manual/latest/exception-clause.html
the order in which the onException is configured takes precedence. Camel will test from first… last defined. Camel will start from the bottom (nested caused by) and recursive up in the exception hierarchy to find the first matching onException clause.. instanceof test is used for testing the given exception with the onException clause defined exception list.
https://stackoverflow.com/questions/35331244/apache-camel-message-redelivery-happens-before-onexception-block-executes
Have a debug point in DiscoveryService inside Onexception, it gets called after the redelivery attempts are made). Thus the current message gets lost without being redelivered. Not sure why this happens. Using activemq-camel version 5.8.0 Thnks
https://cwiki.apache.org/confluence/display/CAMEL/Exception+Clause
Exception Clause. You can use the ... This option can be set on the errorHandler, onException or the redelivery policies. ... In Camel 2.0 we have added this feature to Exception Clause as well, so you can use per exception scoped on redelivery. Camel will fallback to use the one defined on Dead Letter Channel if any, ...
https://people.apache.org/~dkulp/camel/exception-clause.html
It can be used to add some customer header or whatnot. In Camel 2.0 we have added this feature to Exception Clause as well, so you can use per exception scoped on redelivery. Camel will fallback to use the one defined on Dead Letter Channel if any, if none exists on the Exception Clause. See Dead Letter Channel for more details on onRedelivery.
https://camel.apache.org/manual/latest/transactionerrorhandler.html
Letting Camel do some redeliveries and at the end the backing transaction manager doing other redeliveries. In fact in the end the transaction manager have the final word. That means if Camel cannot process the exchange then its thrown back to the transaction manager that …
https://stackoverflow.com/questions/22719023/camel-message-redelivery-not-behaving-as-expected
Couple of points to consider about Camel's redelivery mechanism. First, check out the docs on the topic which might challenge your assumptions about how Camel handles redelivery. The point I've linked to is that Camel attempts redelivery at point of failure, it does not start over from the beginning of the route (as you appear to assume).
https://people.apache.org/~dkulp/camel/redeliverypolicy.html
Using RedeliveryPolicyProfiles. Available as of Camel 2.7. In the XML snippet below we have defined a <redeliveryPolicyProfile> which we can refer to from the <errorHandler>.
https://access.redhat.com/documentation/en-us/red_hat_jboss_fuse/6.2/html/apache_camel_development_guide/basicprinciples-exceptionhandling
The onException clause is a powerful mechanism for trapping exceptions that occur in one or more routes: it is type-specific, enabling you to define distinct actions to handle different exception types; it allows you to define actions using essentially the same (actually, slightly extended) syntax as a route, giving you considerable flexibility in the way you handle exceptions; and it is based ...
https://www.javainuse.com/camel/camelRetry
Lets Begin. The project in the previous Apache Camel Exception Handling will be the starting point. The project structure will be as follows-We modify the MyProcessor as follows. We check if the input contains the text "test", then an exception is thrown.
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