java.lang.NoClassDefFoundError: org/apache/commons/dbutils/QueryRunner是什么错啊？
HTTPStatus500------------------------------------------------------------------------...
HTTP Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Servlet execution threw an exception
root cause
java.lang.NoClassDefFoundError: org/apache/commons/dbutils/QueryRunner
com.v512.guestbook.AddMessageServlet.doPost(AddMessageServlet.java:60)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
--------------------------------------------------------------------------------
Apache Tomcat/5.0.28
我引入了DbUtil的jar包，但是还是不行 展开
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Servlet execution threw an exception
root cause
java.lang.NoClassDefFoundError: org/apache/commons/dbutils/QueryRunner
com.v512.guestbook.AddMessageServlet.doPost(AddMessageServlet.java:60)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
--------------------------------------------------------------------------------
Apache Tomcat/5.0.28
我引入了DbUtil的jar包，但是还是不行 展开
展开全部
org/apache/commons
引入这个包
引入这个包
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