Cannot call sendRedirect() after the response has been committed

Cannot call sendRedirect() after the response has been committed 在作項目的時候須要登錄驗證而後進行頁面跳轉，而在使用response重定向的時候，卻報瞭如下錯誤：html ​ Cannot call sendRedirect() after the response has been committed java 轉發和重定向的區別

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