以上是路径配置
抛出异常如下
org.apache.ibatis.exceptions.PersistenceException:
Error querying database. Cause: java.sql.SQLNonTransientConnectionException: Could not create connection to database server.
The error may exist in /mapper/Message.xml
The error may involve com.imooc.dao.Message.query
The error occurred while executing a query
Cause: java.sql.SQLNonTransientConnectionException: Could not create connection to database server.
org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:150)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141)
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:136)
com.imooc.dao.daoImpl.MessageDaoImpl.query(MessageDaoImpl.java:29)
com.imooc.service.ListService.messageQuery(ListService.java:18)
com.imooc.servlet.ListServlet.doPost(ListServlet.java:39)
com.imooc.servlet.ListServlet.doGet(ListServlet.java:26)
javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
com.imooc.servlet.ListServlet.service(ListServlet.java:47)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
