标签没几行,测试起见写的非常简单
该导的包一个都不落
为什么提示这样的异常?
javax.servlet.ServletException: java.lang.NoClassDefFoundError: Could not initialize class org.displaytag.tags.TableTag org.apache.jasper.servlet.JspServlet.service(JspServlet.java:274)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
com.david.servlet.StudentServlet.doPost(StudentServlet.java:52)
com.david.servlet.StudentServlet.doGet(StudentServlet.java:18)
javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
该导的包一个都不落
为什么提示这样的异常?
javax.servlet.ServletException: java.lang.NoClassDefFoundError: Could not initialize class org.displaytag.tags.TableTag org.apache.jasper.servlet.JspServlet.service(JspServlet.java:274)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
com.david.servlet.StudentServlet.doPost(StudentServlet.java:52)
com.david.servlet.StudentServlet.doGet(StudentServlet.java:18)
javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
启动tomcat完全看到新的包加载到里面
把下边这段代码沾上试试呢
<!--
配置displaytag拦截提交操作,还需要两个辅助包:apache的commons-lang和standard包
<%@ taglib uri="http://displaytag.sf.net/el" prefix="display" %>
!-->
<filter>
<filter-name>exportFilter</filter-name>
<filter-class>
org.displaytag.filter.ResponseOverrideFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>exportFilter</filter-name>
<url-pattern>*.do</url-pattern>
</filter-mapping>