You need to have all of your application consistent in the form value encoding. 
 Make sure that you are not using the obsolete string constant "UTF8" anywhere. 
 The wiki has more details.

Chuck

On Apr 5, 2011, at 3:43 AM, Amedeo Mantica wrote:

> After moving my app from sessions IDs stored in URL to Cookie, I get this 
> when submitting a form
> 
> Any suggestion?
> 
> Amed
> 
> 
> 
> Error:        java.lang.IllegalStateException: Default form value encoding 
> was changed after parsing multi-part form. Form values will be lost.
> Reason:       Default form value encoding was changed after parsing 
> multi-part form. Form values will be lost.
> Stack trace:  
> File  Line#   Method  Package
> WORequest.java        767     setDefaultFormValueEncoding     
> com.webobjects.appserver
> ERXMessageEncoding.java       168     setDefaultFormValueEncodingToRequest    
> er.extensions.appserver
> ERXMessageEncoding.java       173     setDefaultFormValueEncodingToRequest    
> er.extensions.appserver
> ERXSession.java       540     takeValuesFromRequest   er.extensions.appserver
> WOApplication.java    1724    takeValuesFromRequest   com.webobjects.appserver
> ERXAjaxApplication.java       78      takeValuesFromRequest   
> er.extensions.appserver.ajax
> WOComponentRequestHandler.java        199     _dispatchWithPreparedPage       
> com.webobjects.appserver._private
> WOComponentRequestHandler.java        298     _dispatchWithPreparedSession    
> com.webobjects.appserver._private
> WOComponentRequestHandler.java        332     
> _dispatchWithPreparedApplication        com.webobjects.appserver._private
> WOComponentRequestHandler.java        369     _handleRequest  
> com.webobjects.appserver._private
> WOComponentRequestHandler.java        442     handleRequest   
> com.webobjects.appserver._private
> WOApplication.java    1687    dispatchRequest com.webobjects.appserver
> ERXApplication.java   1984    dispatchRequestImmediately      
> er.extensions.appserver
> ERXApplication.java   1949    dispatchRequest er.extensions.appserver
> WOWorkerThread.java   144     runOnce com.webobjects.appserver._private
> WOWorkerThread.java   226     run     com.webobjects.appserver._private
> Thread.java   680     run
> 
> 
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-- 
Chuck Hill             Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall 
knowledge of WebObjects or who are trying to solve specific problems.    
http://www.global-village.net/products/practical_webobjects







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