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25. 19. 1. 生成Servlet的异常 |
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import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class MyServlet extends HttpServlet {
public void init(ServletConfig config) throws ServletException {
super.init(config);
throw new NullPointerException();
}
public void doGet (HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException
{
ServletOutputStream out = res.getOutputStream();
res.setContentType("text/html");
out.println("<html><head><title>Exception Thrower</title></head>");
out.println("<body>You'll never see this!</body></html>");
}
}
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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
<servlet><servlet-name>MyServletName</servlet-name>
<servlet-class>MyServlet</servlet-class>
</servlet>
<servlet-mapping><servlet-name>MyServletName</servlet-name>
<url-pattern>/index.html</url-pattern>
</servlet-mapping>
</web-app>
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Download: ServletGenerateException.zip( 88 k) |
25. 19. 例外 | | 25. 19. 1. | 生成Servlet的异常 | | |
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