使用标签<c:redirect>跳转不到目标文件

错误：
严重: Servlet.service() for servlet [jsp] in context with path [/text] threw exception [java.lang.IllegalStateException: Cannot call sendRedirect() after the response has been committed] with root cause
java.lang.IllegalStateException: Cannot call sendRedirect() after the response has been committed
有哪位大神知道该如何解决？

http://www.runoob.com/jsp/jstl-core-redirect-tag.html