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From "Rich Feit (JIRA)" <beehive-...@incubator.apache.org>
Subject [jira] Created: (BEEHIVE-812) Cannot provide an initial value for an action that accepts an interface as its form bean
Date Tue, 14 Jun 2005 00:41:47 GMT
Cannot provide an initial value for an action that accepts an interface as its form bean
----------------------------------------------------------------------------------------

         Key: BEEHIVE-812
         URL: http://issues.apache.org/jira/browse/BEEHIVE-812
     Project: Beehive
        Type: Bug
  Components: NetUI  
    Versions: V1m1    
    Reporter: Rich Feit
 Assigned to: Rich Feit 
    Priority: Minor
     Fix For: V1
 Attachments: jira812.zip

We have an action method that accepts an *interface* as its form bean argument, and we're
trying to send a concrete implementation of the interface to a page that will post to the
action.

Repro:
    - Hit the attached page flow (/miniTests/initFormBeanInterface/Controller.jpf).

EXPECTED: See index.jsp with the text box initialized to the string, "got it"
ACTUAL: A tag error that says:

  Caught exception when evaluating expression "{actionForm.foo}" with available binding contexts
[actionForm, pageFlow, globalApp, request, session, application, pageContext, bundle, container,
url, pageInput]. Root cause: java.lang.RuntimeException: Can not evaluate the identifier "foo"
on a null value object.

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