java.lang.IllegalStateException: Cannot call sendError() after the response has been committed解读
源代码： 注：此处对“/”路径的访问返回404. DispatcherServlet.doDispatch()中对拦截 器的preHandle进行调用： mappedHandler是一个 ...
原文：报错：java.lang.IllegalStateException: Cannot call sendError() after the response has been committed(待解答)
严重: Servlet.service for servlet default in context with path struts threw exceptionjava.lang.IllegalStateException: Cannot call sendError after the response has been committed at org.apache.catalina.c ...
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