CDI Observer Annotated with @Stateless Receives two Events (Doc ID 1545987.1)

Last updated on OCTOBER 07, 2022

Applies to:

Symptoms

Using 12.1.1 WLS server, the issue is that an observer bean 's method is invoked twice when firing an event.

1) An EJB method ( fireCDIEvent) is invoked :

The problem is that when calling testHandler.fire for one event,
the EJB observer bean method (testObserver method) is called two times .

In our example above, when fireCDIEvent ()  method is invoked, testObserver () method is called twice so the following output  is displayed : 

'

Test
1
Test
1

'

The expected behavior is that testObserver method is invoked only one time when an event is fired.

Changes

Cause

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