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From "Frank W. Zammetti" <>
Subject Re: "Configuration is frozen" exception thrown for actionMapping.setScope
Date Wed, 02 Nov 2005 14:57:49 GMT
Hi Sajid,

One way to get around this would be to modify the ActionConfig class's
freeze() method... just remove configured=true; and you should be all set
(I'm going from memory here, but I think I'm remembering right).  But, the
configs are frozen for a reason, so you may not want to do that.

Another option is to have a class in the struts.config package that has
the sole purpose of unfreezing an ActionConfig (by firectly setting
configured=false;).  The configured attribute of ActionConfig is
protected, that's why it would have to be in the same package.  Keep in
mind though that mapping instances are shared, so if you unfreeze a
mapping it is unfrozen for all requests.  You most likely will want to
clone the real, shared mapping, and then unfreeze the clone and continue
using that for the remainder of the request.

Frank W. Zammetti
Founder and Chief Software Architect
Omnytex Technologies
AIM: fzammetti
Yahoo: fzammetti

On Wed, November 2, 2005 6:41 am, said:
> Hi All,
> In our application, we have decided to force all the actions to use the
> request scope. So instead of adding scope ="request" in the <action>
> element in struts-config.xml for each action, we extended the
> RequestProcessor class as below
> 1.Extend the RequestProcessor class and add the config entry in
> struts-config.xml
>   <controller>
>  <set-property  property="processorClass"
>  value="CustomRequestProcessor"/>
> </controller>
> 2.Override the processMapping method of RequestProcessor as below
>       ActionMapping actionMapping= super.processMapping(request,
> response, path);
>       if (actionMapping!= null) {
>         actionMapping.setScope("request");
>       }
>       return actionMapping;
> However I get the exception at actionMapping.setScope("request");
> java.lang.IllegalStateException: Configuration is frozen
> ....
> I tried looking at the struts mailing list, The cause of the exception
> is mentioned , however no workaround is suggested, My questions are
> 1.Is there any workaround to avoid the "Configuration is frozen"
> exception
> 2.Is there any better way to enforce that all the actions to use some
> specific scope (Ex: request)
> Awaiting your replies and Thanks in Advance
> Sajid
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