1.列出MYSQL支持的所有字符集: SHOW CHARACTER SET; 2.当前MYSQL服务器字符集设置 SHOW VARIABLES LIKE 'character_set_%'; 3.当前MYSQL服务器字符集校验设置 SHOW VARIABLES LIKE 'collation_%'; 4.显示某数据库字符集设置 show create database 数据库名; 5.显示某数据表字符集设置 show create table 表名; 6.修改数据库字符集 alter datab
刚才控制台又报这个错,这是代表MySQL驱动和数据库字符集设置不搭配: 错误: "...Initial client character set can be forced via the 'characterEncoding' property." 解法: 在sqlMapConfig.xml中添加 <environments default="mysql"> <environment id="mysql"> <tr
报错信息:Could not open JDBC Connection for transaction; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Could not create connection to database server.) 问题来源mysql-connecter-java 版本过低 如果你mysql的版本是m
严重: StandardWrapper.Throwableorg.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!
org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Could not create connection to database server. Attempt