When JspC fails due to a validation error, the message created by Validator.validateXmlView and dispatched to the errorDispatcher does not include the full path of the file. This means that the fix for bug 28604 is not complete.
Created attachment 17020 [details] fix for this bug this patch fixes the problem. It is a patch against 5.5.12.
Fixed, thank you for reporting this. Next time please be careful with the diff -u command order, your patch diff file was flipped ;)