Why is my action unavailable

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Comment: Migrated to Confluence 4.0

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.