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From "Radoslaw Szymanek (Commented) (JIRA)" <>
Subject [jira] [Commented] (CAMEL-5167) onException policy within global context lost when error handler redefined within route context.
Date Fri, 13 Apr 2012 12:25:16 GMT


Radoslaw Szymanek commented on CAMEL-5167:


Sorry for being the pain in the ass, however your test case is not about the issue I wanted
to raise. 

Try changing your route in test into something like this : 


                            .process(new Processor() {

                                private int counter;

                                public void process(Exchange exchange) throws Exception {

                                    if (counter++ < 2) {

                                        throw new IllegalArgumentException("Damn");


                                    exchange.getIn().setBody("Bye World");







If you move errorHandler part after processor then your test case if failing. 

I am reopening it only because you did not understand the mistake the user may make, which
should be warned about. 
> onException policy within global context lost when error handler redefined within route
> ------------------------------------------------------------------------------------------------
>                 Key: CAMEL-5167
>                 URL:
>             Project: Camel
>          Issue Type: Improvement
>    Affects Versions: 2.9.1
>            Reporter: Radoslaw Szymanek
>            Assignee: Claus Ibsen
>             Fix For: 2.10.0
> This may as well be Camel feature (limitation of Java DSL), but I found no indications/warning
that this is a feature in Camel book or web documentation. 
> The route is somewhat ill defined as local errorHandler should be placed before bean
part, but maybe for those types of mistakes 
> it should not have this nasty side effects of loosing global onException policy, but
at least complain during route creation (?).  
> Moreover, the route works properly if I remove global error handler, so it is rather
nasty effect if route definition correctness depends on the existence of the global error
handler definition.
> If I move local errorHandler before bean part then the my test passes as the onException
policy is triggered and works properly. 
> As soon as I redefine the error handler within a route the onException policy is no longer
applicable for the route and the route propagates the exception back to the caller. 
> {code}
>         errorHandler(defaultErrorHandler().maximumRedeliveries(1));
>         onException(NullPointerException.class).setOnRedelivery(new NullRegistrationDateProcessor());
>         from("direct:toPropertyFile").routeId("registrationEntryToPropertyFile")
>                 .setHeader(Exchange.FILE_NAME, simple("${body.firstname}.${body.surname}"))
>                 .bean(RegistrationToPropertiesBean.class, "convert")
>      // Potential bug in Camel, if the same error handler like global is turned on then
onException defined in global context will not be picked up.
>               .errorHandler(defaultErrorHandler().maximumRedeliveries(1))
>      // the code above is working if no default handler was created for a global context.
>               .to("file://" + outFolder);
> {code}

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