Simple WD4A Portal Eventing does not work

Question

Hello togehter,
I'm trying to get a simple Portal Eventing to work with two WebDynpro ABAP components. I read several threads as well as a blog from Thomas Jung about this but still have no eventing. What am I doing wrong? I think that it might be only a little obstacle but I can't get it. So what I didi is:
1.) Created 1st WD4A application with a button and an action behind that button:
DATA: l_api_component  TYPE REF TO if_wd_component,
        l_portal_manager TYPE REF TO if_wd_portal_integration.
  l_api_component = wd_comp_controller->wd_get_api( ).
  l_portal_manager = l_api_component->get_portal_manager( ).
  l_portal_manager->fire(
    portal_event_namespace = 'urn:my.namespace'
    portal_event_name      = 'test_event'
    portal_event_parameter = 'testValue' ).
2.) Created 2nd WD4A application with the following code in the WDDOinit-Method:
DATA: l_api_component  TYPE REF TO if_wd_component,
        l_portal_manager TYPE REF TO if_wd_portal_integration,
        view TYPE REF TO if_wd_view_controller.
  l_api_component = wd_comp_controller->wd_get_api( ).
  l_portal_manager = l_api_component->get_portal_manager( ).
  view ?= wd_this->wd_get_api( ).
  l_portal_manager->subscribe_event(
    portal_event_namespace = 'urn:my.namespace'
    portal_event_name      = 'test_event'
    view                   = view
    ACTION                 = 'CATCH_EVENT' ).
and an action.
method ONACTIONCATCH_EVENT .
  data: EVT_NAME type STRING,
        evt_parameter type string.
  EVT_NAME = WDEVENT->GET_STRING( NAME = 'PORTAL_EVENT_NAME' ).
  if EVT_NAME = 'test_event'.
    evt_parameter = WDEVENT->GET_STRING( NAME = 'PORTAL_EVENT_PARAMETER' ).
    DATA:
      ls_text TYPE if_main=>element_main,
      node_main TYPE REF TO if_wd_context_node,
      elem_main TYPE REF TO if_wd_context_element.
    node_main = wd_context->get_child_node( name = `MAIN` ).
    evt_parameter = 'IT WORKED'.
  else.
    evt_parameter = 'did not work'.
  endif.
  ls_text-text_receiver = evt_parameter.
  node_main->bind_element( ls_text ).
endmethod.
3.) FInally I created two iViews (for each WD4A application) and a page, linked the iViews in the page and made a preview. Unfortunately nothing happend in the second iVIew with the 2nd WD4A application in it.
Any help?
Thanx in advance
Matthias

Answer 1

Hello,
thanks for your answers. But the problem is not yet solved, the link gives nothing new for me.
To amend my first post:
After having created and activated my both small WD4A applications, I created 2 similar iViews (iViews for WebDynpro -> and chose WD ABAP) in my portal. Both iViews have the same namespace (which is SAP - is this ok?) and no application parameter.
Then I created both a Standard SAP page and a WebDynpro proxy page and added the 2 iViews as deltalink. The page and the iViews have the same prefix (but this is not important, isn't it?).
--> In both pages the portal eventing does not work
The ABAP server and the Portal server are the same machine and I call the portal with the full qualified domain name:
http://<servername>.<domain>:50000/irj/portal
When I test my WD4A applications in se80 I get the path http://<servername>.<domain>:8000/sap/bc/webdynpro/sap/z_event_receiver?sap-language=EN
so this is the same domain.
I even have an entry in my hosts-file for
<myInternalIp>  <servername>.<domain>
- Do I have to specify the domain explicitly in addition when integration the WD4A applications in the portal?
- Is there a correlation between the Portal Event namespace, the namespace of my iViews and page and the domain name of my server?
- Does the portal event namespave to have the prefix urn: or not?
Thanks again in advance