<!DOCTYPE web-app
  PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
  "http://java.sun.com/dtd/web-app_2_3.dtd">前面加上

解决方案 »

  1.   

    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE web-app
      PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
      "http://java.sun.com/dtd/web-app_2_3.dtd">
    <web-app>
      <servlet>
        <description>This is the description of my J2EE component</description>
        <display-name>This is the display name of my J2EE component</display-name>
        <servlet-name>Login_Confirm</servlet-name>
        <servlet-class>haijiang.Login_Confirm</servlet-class>
      </servlet>
      <servlet-mapping>
        <servlet-name>Login_Confirm</servlet-name>
        <url-pattern>/Login_Confirm</url-pattern>
      </servlet-mapping>
    <servlet>
    <servlet-name>StudentLoginSvlt</servlet-name>
    <servlet-class>haijiang.StudentLoginSvlt</servlet-class>
    </servlet>
    <servlet-mapping>
    <servlet-name>StudentLoginSvlt</servlet-name>
    <url-pattern>/StudentLoginSvlt</url-pattern>
    </servlet-mapping>
       <!--end the servlet mapping --> 
       <!-- start the tag mapping -->
        
       taglib>
      <taglib-uri>/taglib/CurrentTimeTag.tld</taglib-uri>
        <taglib-location>
          /WEB-INF/taglib/CurrentTimeTag.tld
        </taglib-location>
      </taglib></web-app>
      

  2.   

    <taglib-uri>/taglib/CurrentTimeTag.tld</taglib-uri>
        <taglib-location>
          /WEB-INF/taglib/CurrentTimeTag.tld
        </taglib-location>
      </taglib>你以上的两个路径明显不对当然它说找不到了,改成:
    <taglib-uri>/WEB-INF/taglib/CurrentTimeTag.tld</taglib-uri>
     <taglib-location>/WEB-INF/taglib/CurrentTimeTag.tld</taglib-location>
      </taglib>