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我已经在 maven web 应用程序中与 servlet 斗争了几个小时。我无法运行它。它总是返回请求的资源不可用。我正在使用 Tomcat 8。这是我的 servlet 代码。我正在使用这个地址 http://localhost:8080/my-app/MyServlet运行它，但我没有成功。
@WebServlet(name = "MyServlet", urlPatterns = {"/MyServlet"})
public class MyServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
/* TODO output your page here. You may use following sample code. */
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet MyServlet</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Servlet MyServlet at " + request.getContextPath() + "</h1>");
out.println("</body>");
out.println("</html>");
} finally {
out.close();
}
}
}