Struggling with Configuration for Saga

[anshul agarwal]

Getting below error during application start up. Is there a good example on Spring Boot Configuration for Saga. The only thing I am struggling while working with Axon is configuration.

Also, couldn't figure out how to change serializer to jackson serializer for event store. I am using Mongo Event Storage Engine.

java.lang.NoSuchMethodException: com.yyyyy.client.XXXXXSaga.<init>()

at java.lang.Class.getConstructor0(Class.java:3082) ~[na:1.8.0_112]

at java.lang.Class.newInstance(Class.java:412) ~[na:1.8.0_112]

at org.axonframework.eventhandling.saga.AnnotatedSagaManager.newInstance(AnnotatedSagaManager.java:42) ~[axon-core-3.0.5.jar:3.0.5]

at org.axonframework.eventhandling.saga.AnnotatedSagaManager.lambda$new$1(AnnotatedSagaManager.java:69) ~[axon-core-3.0.5.jar:3.0.5]

[Allard Buijze]

Hi,

does your Saga have a default constructor?
You can configure a Serializer just by defining it as a bean in your application context.

Allard

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[anshul agarwal]

Thank you Allard. This solves both my issues. 
As I am spending more and more time with Axon, I am really liking it and somewhat amazed by some of the functionalities which really simplifies our microservice development.

My Saga Event handler method is getting triggered twice for the same aggregate id every time I submit a request. Any clue on what might be causing this?

[anshul agarwal]

I was able to resolve this with help of your comment on this thread https://groups.google.com/forum/#!topic/axonframework/qPiqexYxQJs.

Thanks for your help