protected void handleException(Exchange exchange, RedeliveryData data) {
Exception e = exchange.getException();
// store the original caused exception in a property, so we can restore it later
exchange.setProperty(Exchange.EXCEPTION_CAUGHT, e);
// find the error handler to use (if any)
OnExceptionDefinition exceptionPolicy = getExceptionPolicy(exchange, e);
if (exceptionPolicy != null) {
data.currentRedeliveryPolicy =
exceptionPolicy.createRedeliveryPolicy(
exchange.getContext(), data.currentRedeliveryPolicy);
data.handledPredicate = exceptionPolicy.getHandledPolicy();
data.continuedPredicate = exceptionPolicy.getContinuedPolicy();
data.retryWhilePredicate = exceptionPolicy.getRetryWhilePolicy();
data.useOriginalInMessage = exceptionPolicy.isUseOriginalMessage();
data.asyncDelayedRedelivery = exceptionPolicy.isAsyncDelayedRedelivery(exchange.getContext());
// route specific failure handler?
Processor processor = exceptionPolicy.getErrorHandler();
if (processor != null) {
data.failureProcessor = processor;
}
// route specific on redelivery?
processor = exceptionPolicy.getOnRedelivery();
if (processor != null) {
data.onRedeliveryProcessor = processor;
}
}
// only log if not failure handled or not an exhausted unit of work
if (!ExchangeHelper.isFailureHandled(exchange)
&& !ExchangeHelper.isUnitOfWorkExhausted(exchange)) {
String msg =
"Failed delivery for exchangeId: "
+ exchange.getExchangeId()
+ ". On delivery attempt: "
+ data.redeliveryCounter
+ " caught: "
+ e;
logFailedDelivery(true, false, false, exchange, msg, data, e);
}
data.redeliveryCounter = incrementRedeliveryCounter(exchange, e, data);
}
/** Gather all other kind of route scoped services from the given route, except error handler */
private void doGetRouteScopedServices(List<Service> services, Route route) {
for (ProcessorDefinition<?> output : route.getRouteContext().getRoute().getOutputs()) {
if (output instanceof OnExceptionDefinition) {
OnExceptionDefinition onExceptionDefinition = (OnExceptionDefinition) output;
if (onExceptionDefinition.isRouteScoped()) {
Processor errorHandler = onExceptionDefinition.getErrorHandler(route.getId());
if (errorHandler != null && errorHandler instanceof Service) {
services.add((Service) errorHandler);
}
}
} else if (output instanceof OnCompletionDefinition) {
OnCompletionDefinition onCompletionDefinition = (OnCompletionDefinition) output;
if (onCompletionDefinition.isRouteScoped()) {
Processor onCompletionProcessor = onCompletionDefinition.getOnCompletion(route.getId());
if (onCompletionProcessor != null && onCompletionProcessor instanceof Service) {
services.add((Service) onCompletionProcessor);
}
}
}
}
}
