📄 exceptionhandlerservlet2.java
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package org.sunxin.lesson.jsp.ch10;
import javax.servlet.*;
import java.io.*;
import javax.servlet.http.*;
public class ExceptionHandlerServlet2 extends HttpServlet
{
protected void service(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, java.io.IOException
{
resp.setContentType("text/html;charset=GB2312");
PrintWriter out = resp.getWriter();
out.println("<html><head><title>错误页面</title></head>");
out.println("<body>");
String uri=(String)req.getAttribute("javax.servlet.error.request_uri");
Object excep=req.getAttribute("javax.servlet.error.exception");
out.println(uri+" 运行错误。");
out.println("<p>错误原因："+excep);
out.println("</body></html>");
out.close();
}
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