关于mysql抛出java.sql.SQLException: com.mysql.jdbc.Driver异常的解决方法

最新推荐文章于 2025-02-21 17:56:58 发布

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最新推荐文章于 2025-02-21 17:56:58 发布

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Type 异常报告

消息 Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: com.mysql.jdbc.Driver //Çý¶¯¼ÓÔØ

描述服务器遇到一个意外的情况，阻止它完成请求。

Exception

org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: com.mysql.jdbc.Driver //Çý¶¯¼ÓÔØ
org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:82)
org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:371)
org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:452)
org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:462)
cn.itcast.dao.impl.UserDaoImpl.findAll(UserDaoImpl.java:21)
cn.itcast.service.impl.UserServiceImpl.findAll(UserServiceImpl.java:15)
cn.itcast.web.servlet.UserListServlet.doPost(UserListServlet.java:20)
cn.itcast.web.servlet.UserListServlet.doGet(UserListServlet.java:28)
javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Root Cause

java.sql.SQLException: com.mysql.jdbc.Driver //Çý¶¯¼ÓÔØ
com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:520)
com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:583)
com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:915)
com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:911)
com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:98)
org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:158)
org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:116)
org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:79)
org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:371)
org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:452)
org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:462)
cn.itcast.dao.impl.UserDaoImpl.findAll(UserDaoImpl.java:21)
cn.itcast.service.impl.UserServiceImpl.findAll(UserServiceImpl.java:15)
cn.itcast.web.servlet.UserListServlet.doPost(UserListServlet.java:20)
cn.itcast.web.servlet.UserListServlet.doGet(UserListServlet.java:28)
javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Root Cause

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver //Çý¶¯¼ÓÔØ
java.lang.Class.forName0(Native Method)
java.lang.Class.forName(Class.java:264)
com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:518)
com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:583)
com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:915)
com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:911)
com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:98)
org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:158)
org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:116)
org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:79)
org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:371)
org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:452)
org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:462)
cn.itcast.dao.impl.UserDaoImpl.findAll(UserDaoImpl.java:21)
cn.itcast.service.impl.UserServiceImpl.findAll(UserServiceImpl.java:15)
cn.itcast.web.servlet.UserListServlet.doPost(UserListServlet.java:20)
cn.itcast.web.servlet.UserListServlet.doGet(UserListServlet.java:28)
javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
):注意主要问题的全部 stack 信息可以在 server logs 里查看