Added by Ted Husted, last edited by Ted Husted on Jul 22, 2006
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After migrating to Struts 2 from WebWork 2, some Actions suddenly exposes "HTTP Status 404 ... The requested resource is not available."
If the Actions utilize the "action!alias" sytax, add the line struts.compatabilityMode.webwork=true to the struts.properties file.
The bang syntax is deprecated, so rework the actions before updating to the next Struts 2 release.