Yes, I have tried everything that is relavent for the upgrade as mentioned in the wiki page - http://wiki.apache.org/struts/StrutsUpgradeNotes11to124, I do not see any wiki pages that talk about upgrade from 1.0 to 1.2 version, could only get 1.1 to 1.2 document. As per the above wiki page, I have done - 1. jars -- using the 1.2 jars & required common jar files 2. tlds -- my tlds are defined in web.xml & as per the document no change is required & I would not be using new features of tld, so no changes done 3. validator.xml -- changed the dtd to point to 1.2 4. validator-rules.xml -- using the new version of .xml file 5. struts-config.xml -- changed the dtd to point to 1.2 & verified that I'm not using any of the deprecated attributes 6. ActionError(s) & ActionMessage(s) -- I have some usage of ActionError, but not changed yet --- NOT SURE if this will lead to the problem I'm facing. 7. Custom Tags & Validation -- I have some usage of RequestUtils & ResponseUtil, not changed yet -- but see these classes still exist in struts 1.2, IS THIS causing the issue for me? 8. <init-param> web.xml -- removed the attributes that are not supported any more & added the required one "application" to my struts-config.xml under message-resources 9. <html:form -- I have not used any of the tags that are deprecated 10. MessageResource bundle requirement -- I have not done this step, could this be leading to the issue?? -Bhaskar
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