OnCompletion and rollbacked transaction.

[andrericos <an...@gmail.com>]

Hi,

I'm facing a problem using OnCompletion and a Transacted route. 
Let me show an example:


 this.from("servlet:///test").routeId("CamelTestRoute")
                .onCompletion()
                .bean(this.logCompletionRoute)
            .end()
                .onException(Exception.class)
                .log(LoggingLevel.ERROR, this.log, "Error on processing
message. Sending Rollback command!")
                .log(LoggingLevel.ERROR, this.log,
"${exception.stacktrace}")
                */.rollback()/*
                .handled(true)
            .end()
 .transacted(RouteTransactionConfiguration.PROPAGATION_REQUIRED)
 .process(new Processor() {
                @Override
                public void process(Exchange exchange) throws Exception {
                    throw new Exception();
                }});

When I use the "rollback()" method, the logCompletionRoute bean is not
executed. When a erase that line the onCompletion bean is executed at the
route's end.

Is it a bug or a wrong configuration (or understanding)?

Thanks,

André Souza





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Re: OnCompletion and rollbacked transaction.

[andrericos <an...@gmail.com>]

Well... 

I tried to find where the camel stops to compute the route and I found this
code in RedeliveryErrorHandler.java:

// compute if we are exhausted, and whether redelivery is 
boolean exhausted = isExhausted(exchange, data);
boolean redeliverAllowed = isRedeliveryAllowed(data);
// if we are exhausted or redelivery is not allowed, then deliver to failure
processor (eg such as DLC)
if (!redeliverAllowed || exhausted) {

After that Camel stops my route.

So, I tried to do my bean execute before the route was marked to
ROLLBACK_ONLY.
Using pipeline inside the onException I could do that:

...
.onCompletion() 
             .bean(this.logCompletionRoute) 
.end() 
.onException(Exception.class) 
            .handled(true)
            *.pipeline()
                .log(LoggingLevel.ERROR, this.log, "Error on processing
message. Sending Rollback command!") 
                .log(LoggingLevel.ERROR, this.log,
"${exception.stacktrace}") 
                .bean(this.logCompletionRoute)
            .end()*
            .rollback()
.end()
...


Is there some more elegant solution?

Thanks

André Souza



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