javax.servlet.ServletException: Circular view path [reg]: would dispatch bac

would dispatch back to the current handler URL [/reg] again. Check your View Hint: This may be the result of an unspecified view, due to default view 今天搭环境出现这问题，环境都是复制上个项目的， 当然我们肯定不会犯 没有引入模板库的 这些低级错误，

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