topic Re: NULL reference error ? in Application Development and Automation Discussions

NULL reference error ?

former_member194669 — Fri, 18 Jul 2008 13:29:01 GMT

All,

I am getting a dump as "Access via 'NULL' object reference not possible" while using the following code


data: g_view_controller type ref to if_wd_view_controller,
      g_fcode           type ref to if_wd_action.
      g_view_controller ?= wd_this->wd_get_api( ).
call method g_view_controller->get_current_action
  receiving
    result = g_fcode.

if g_action->name = 'STD'.
   " dump occurs here
endif.

a®

Re: NULL reference error ?

matt — Fri, 18 Jul 2008 13:32:20 GMT

Well, on the face of it, it looks like you've not got an instance of g_action. You should have a CREATE OBJECT, or a method that returns a reference which is assigned to g_action.

matt

Re: NULL reference error ?

Former Member — Fri, 18 Jul 2008 13:32:39 GMT

Have you instantiated g_action somewhere else in your code?

Or do you mean to do g_fcode->name?

Re: NULL reference error ?

Former Member — Fri, 18 Jul 2008 13:33:18 GMT

Pl. check whether variable g_action is instantiated or not before use.

From ur code I am not able to understand it.

Regards,

JOy.

Re: NULL reference error ?

Former Member — Fri, 18 Jul 2008 13:34:45 GMT

a®s,

i think this would help you,

Amit.

Re: NULL reference error ?

former_member194669 — Fri, 18 Jul 2008 13:36:06 GMT

Matt,

I forgot to create instance for g_action.

Thanks All for your replies

a®