On Thu, Sep 8, 2016 at 3:36 PM, Quinn Stevenson <qu...@pronoia-solutions.com> wrote: > I made some progress with this. > > In my SynchronizationAdapter, I had been calling > exchange.getIn().setHeader(…) - I’d never looked to see if there was an “out” > message. Once I changed this to set the header on the out message, the > headers started showing up where I wanted them. >
You can use hasOut() to check if there is OUT message or not. > Now I’m down to error handling. If something goes wrong during the > acknowledgement, I can set an exception on the exchange and than the route > knows that the exchanged failed - I tested this with an > onCompletion.onFailureOnly element. > > However, the exchanged passed to the onCompletion.onFailureOnly element does > NOT have the exception set - so I’m not sure how the route is supposed to > tell what happened. Do I need to do more than just set the exception on the > exchange? > There is a FAQ about this http://camel.apache.org/why-is-the-exception-null-when-i-use-onexception.html > Also, is there a way to get Camel’s error handling to kick-in after the > SyncronizationAdapter sets the exception on the exchange? > >> On Sep 6, 2016, at 5:06 PM, Quinn Stevenson <qu...@pronoia-solutions.com> >> wrote: >> >> I’m struggling with this, and I can’t seem to get what I’m after. >> >> I added a SynchronizationAdapter (via addOnCompletion), but the exchange >> passed to the onComplete portion of the route still doesn’t have the headers >> I’m setting in the Syncronizationadapter. I’ve tried setting the header in >> both the onAfterRoute and onComplete methods, but no luck. The only place >> that seems to work is if I add the header in the onBeforeRoute method, but I >> don’t have enough information at that point to set the header correctly. >> >> The other thing I’d tried previously that I thought would work was simply >> setting the headers in the Consumer, after it called >> getProcessor().process(exchange) - but that doesn’t work either. I’m not >> sure why that doesn’t work - I set headers before I call >> getProcessor().process(exchange), and they behave as I’d expect. However, >> anything I do to the exchange after I call getProcessor().process(exchange) >> doesn’t seem to have any effect? >> >> Maybe I need to do something different than just call >> getProcessor().process(exchange)? Somehow intercept the flow of the >> exchange after the last processor in the route, but before before camel does >> whatever it does that makes my copy of the exchange irrelevant? >> >> >>> On Sep 6, 2016, at 2:02 PM, Claus Ibsen <claus.ib...@gmail.com> wrote: >>> >>> There is an addOnCompletion on the exchange you can use. Then your >>> onCompletion can implement that interface, or extend >>> SynchronizationAdapter >>> >>> On Tue, Sep 6, 2016 at 9:52 PM, Quinn Stevenson >>> <qu...@pronoia-solutions.com> wrote: >>>> Thank you for the prompt reply :-) >>>> >>>> This sounds like exactly what I need, but I’m a little unclear about how >>>> to implement it. I tried creating a UnitOfWork, adding a Synchronization, >>>> and then setting the UnitOfWork on the exchange when I create it, but my >>>> Synchronization isn’t getting called. >>>> >>>> is there another component somewhere that does something similar that I >>>> could look at? >>>> >>>> >>>>> On Sep 6, 2016, at 1:25 PM, Claus Ibsen <claus.ib...@gmail.com> wrote: >>>>> >>>>> If you talk about UoW completions with Synchronization: >>>>> org.apache.camel.spi.Synchronization >>>>> >>>>> Then you can implement Ordered, and then set the value to be HIGHEST >>>>> so this one is run before the others. >>>>> >>>>> >>>>> On Tue, Sep 6, 2016 at 9:20 PM, Quinn Stevenson >>>>> <qu...@pronoia-solutions.com> wrote: >>>>>> I would like to enhance the camel-mllp component to set a message header >>>>>> containing the MLLP Acknowledgement when the component is automatically >>>>>> generating the acknowledgment. This code would need to execute after >>>>>> the last element in the main route, but before any onCompletion elements >>>>>> are invoked, but I can’t figure out the right way to make this happen. >>>>>> >>>>>> Can someone point me in the right direction? >>>>>> >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Claus Ibsen >>>>> ----------------- >>>>> http://davsclaus.com @davsclaus >>>>> Camel in Action 2: https://www.manning.com/ibsen2 >>>> >>> >>> >>> >>> -- >>> Claus Ibsen >>> ----------------- >>> http://davsclaus.com @davsclaus >>> Camel in Action 2: https://www.manning.com/ibsen2 >> > -- Claus Ibsen ----------------- http://davsclaus.com @davsclaus Camel in Action 2: https://www.manning.com/ibsen2
