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From "Simone Gianni (JIRA)" <j...@apache.org>
Subject [jira] Created: (COCOON-1812) Javaflow and Ajax when sending two forms one after eachother
Date Fri, 24 Mar 2006 17:46:37 GMT
Javaflow and Ajax when sending two forms one after eachother
------------------------------------------------------------

         Key: COCOON-1812
         URL: http://issues.apache.org/jira/browse/COCOON-1812
     Project: Cocoon
        Type: Bug
  Components: Blocks: Forms, Blocks: Java Flow  
    Versions: 2.1.9-dev (current SVN)    
    Reporter: Simone Gianni
    Priority: Critical


In javaflow, if I try to send an ajax form and then send another ajax form I obtain a NPE
originating from JXMacroHelper.

For example :

  FormInstance fi = new FormInstance("myform.def.xml");
  fi.show("mypipe");
  fi = new FormInstance("myotherform.def.xml");
  fi.show("myotherpipe");

I receive an NPE originating from JXMacroHelper:162  while showing the second forms.

After investigations i noticed that the second form was displayed following the ajax behaviour,
while this second form is new and should not be "ajaxed". This causes the updatedWidgets list
to be null (both in form and in JXMacroHelper) and thus the NPE.

Sniffing the http traffic showed me that while in javascript the submission of the first form
causes a <bu:continue/> and a new non-ajax request from the browser, while with javaflow
this does not happen.

Seems like the lines from 176 to 201 of /cocoon-2.1.X/src/blocks/forms/java/org/apache/cocoon/forms/flow/javascript/Form.js
were not ported to the javaflow FormInstance.



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