[GitHub] [camel-k] zhfeng opened a new issue #1097: Saga example

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zhfeng opened a new issue #1097: Saga example
URL: https://github.com/apache/camel-k/issues/1097
 
 
   I'm working on the [camel-saga-quickstart](https://github.com/nicolaferraro/camel-saga-quickstart/) to run with the camel-k.
   
   At first, I added the detection to check `"*\.saga\(\).*"` and add camel-lra dependency. It works fine and I get the example running but throws exception
   ```
   Exception in thread "main" org.apache.camel.FailedToCreateRouteException: Failed to create route route1 at: >>> Saga -> [[SetHeader[id, header(CamelTimerCounter)], SetHeader[CamelHttpMethod, POST], Log[Executing saga #${header.id}], To[http://camel-saga-train-service:8080/api/train/buy/seat], To[http://camel-saga-flight-service:8080/api/flight/buy]]] <<< in route: Route(route1)[From[timer:clock?period=5s] -> [Saga -> [[SetH... because of Cannot find a CamelSagaService
   	at org.apache.camel.reifier.RouteReifier.doCreateRoute(RouteReifier.java:379)
   	at org.apache.camel.reifier.RouteReifier.createRoute(RouteReifier.java:108)
   	at org.apache.camel.impl.DefaultModel.start(DefaultModel.java:326)
   	at org.apache.camel.impl.DefaultModel.startRoute(DefaultModel.java:300)
   	at org.apache.camel.impl.DefaultModel.startRouteDefinitions(DefaultModel.java:293)
   	at org.apache.camel.impl.DefaultModel.startRouteDefinitions(DefaultModel.java:272)
   	at org.apache.camel.impl.AbstractModelCamelContext.startRouteDefinitions(AbstractModelCamelContext.java:322)
   	at org.apache.camel.impl.engine.AbstractCamelContext.doStartCamel(AbstractCamelContext.java:2590)
   	at org.apache.camel.impl.engine.AbstractCamelContext.lambda$doStart$2(AbstractCamelContext.java:2438)
   	at org.apache.camel.impl.engine.AbstractCamelContext.doWithDefinedClassLoader(AbstractCamelContext.java:2455)
   	at org.apache.camel.impl.engine.AbstractCamelContext.doStart(AbstractCamelContext.java:2436)
   	at org.apache.camel.support.service.ServiceSupport.start(ServiceSupport.java:99)
   	at org.apache.camel.impl.engine.AbstractCamelContext.start(AbstractCamelContext.java:2345)
   	at org.apache.camel.k.main.ApplicationRuntime$MainAdapter.doStart(ApplicationRuntime.java:177)
   	at org.apache.camel.support.service.ServiceSupport.start(ServiceSupport.java:99)
   	at org.apache.camel.main.MainSupport.run(MainSupport.java:77)
   	at org.apache.camel.k.main.ApplicationRuntime.run(ApplicationRuntime.java:70)
   	at org.apache.camel.k.main.Application.main(Application.java:42)
   Caused by: org.apache.camel.RuntimeCamelException: Cannot find a CamelSagaService
   	at org.apache.camel.reifier.SagaReifier.findSagaService(SagaReifier.java:108)
   	at org.apache.camel.reifier.SagaReifier.createProcessor(SagaReifier.java:76)
   	at org.apache.camel.reifier.ProcessorReifier.makeProcessorImpl(ProcessorReifier.java:574)
   	at org.apache.camel.reifier.ProcessorReifier.makeProcessor(ProcessorReifier.java:540)
   	at org.apache.camel.reifier.ProcessorReifier.addRoutes(ProcessorReifier.java:250)
   	at org.apache.camel.reifier.RouteReifier.doCreateRoute(RouteReifier.java:377)
   ```
   It looks like there is no CamelSagaService. I checked the [camel-lra-starter](https://github.com/apache/camel/blob/master/platforms/spring-boot/components-starter/camel-lra-starter/src/main/java/org/apache/camel/service/lra/springboot/LraServiceAutoConfiguration.java#L74) which invokes the following
   ```
          LRASagaService service = new LRASagaService();
   
           Map<String, Object> parameters = new HashMap<>();
           IntrospectionSupport.getProperties(configuration, parameters, null, false);
           CamelPropertiesHelper.setCamelProperties(camelContext, service, parameters, false);
   
           camelContext.addService(service);
   ```
   So I wonder how we can add a CamelSagaService in camel-k similarly ?

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