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jenkins構(gòu)建好之后打開頁面提示jdbc連接有問題

在Intellij里運(yùn)行tomcat打開項(xiàng)目是可以在瀏覽器上打開這個(gè)頁面的，然后我Jenkins里部署也好了，也提示tomcat啟動(dòng)成功，但是瀏覽器訪問就出以下錯(cuò)誤（這里是片段），看樣子是jdbc連接問題

Type?Exception Report

Message?An exception occurred processing [index.jsp] at line [3]

Description?The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException:?An?exception?occurred?processing?[index.jsp]?at?line?[3]

1:?<%@?page?language="java"?contentType="text/html;?charset=UTF-8"??pageEncoding="UTF-8"%>
2:?<html>
3:?<jsp:forward?page="/showMenus"></jsp:forward>
4:?</html>


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:626)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:500)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Root Cause

org.springframework.web.util.NestedServletException:?Request?processing?failed;?nested?exception?is?org.mybatis.spring.MyBatisSystemException:?nested?exception?is?org.apache.ibatis.exceptions.PersistenceException:?
###?Error?querying?database.??Cause:?org.springframework.jdbc.CannotGetJdbcConnectionException:?Could?not?get?JDBC?Connection;?nested?exception?is?com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:?Could?not?create?connection?to?database?server.?Attempted?reconnect?3?times.?Giving?up.
###?The?error?may?exist?in?com/lesson/dao/MenuDAO.java?(best?guess)
###?The?error?may?involve?com.lesson.dao.MenuDAO.getMenuByMidCid
###?The?error?occurred?while?executing?a?query
###?Cause:?org.springframework.jdbc.CannotGetJdbcConnectionException:?Could?not?get?JDBC?Connection;?n