Hi Camel friends,
Can anybody explain the meaning of the Exchange Property "CamelFailureHandled"?
Especially, what's the difference to "CamelExceptionHandled" and
"CamelErrorHandlerHandled"?
I don't know, if it's a bug, but I found the following method in
RedeliveryErrorHandler ( 2.16.2), which is called in method
prepareExchangeAfterFailure, if the failure is not handled:
private void prepareExchangeAfterFailureNotHandled(Exchange exchange) {
log.trace("This exchange is not handled or continued so its marked as
failed: {}", exchange);
// exception not handled, put exception back in the exchange
exchange.setProperty(Exchange.ERRORHANDLER_HANDLED, Boolean.FALSE);
exchange.setException(exchange.getProperty(Exchange.EXCEPTION_CAUGHT,
Exception.class));
// and put failure endpoint back as well
exchange.setProperty(Exchange.FAILURE_ENDPOINT,
exchange.getProperty(Exchange.TO_ENDPOINT));
// and store the route id so we know in which route we failed
UnitOfWork uow = exchange.getUnitOfWork();
if (uow != null && uow.getRouteContext() != null) {
exchange.setProperty(Exchange.FAILURE_ROUTE_ID,
uow.getRouteContext().getRoute().getId());
}
}
I wonder, why the "CamelFailureHandled" is not removed like the
"CamelErrorHandlerHandled". At the beginning of the method
prepareExchangeAfterFailure in method setFailureHandled the exception is
removed from the exchange and the property "CamelFailureHandled" is set. In my
point-of-view both methods should be symmetric and CamelFailureHandled should
also be removed in prepareExchangeAfterFailureNotHandled. What do you think?
Best regards,
STefan
Dr. Stefan Boller
Development Architect, HANA Cloud Integration,
SAP SE, Dietmar-Hopp-Allee 16, 69190, Walldorf, Germany
T +49 6227 7-67168, M +49 151 62345455, E [email protected]
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