运行eclipse.exe的程序时时没有启动Navicat.exe

 

运行程序时报错：（Navicat.exe启动借鉴手机百度-百度经验@RSY_SXY《mysql如何启动》）

HTTP Status 500 - Request processing failed; nested exception is org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: Cannot create PoolableConnectionFactory (Communications link failure

 

出现这种错误后，检查navicat.exe

 

 说明没有启动MYSQL，需要手动启动

1、快捷键win+R，再输入services.msc,点击确定

 

 2、找到MYSQL，单击右键，点击启动

 

 3，启动后页面

 

 启动后Navicat.exe