Prepared statement needs to be re-prepared问题

执行存储过程时Java代码报错：java.sql.SQLException: Prepared statement needs to be re-prepared；单独调用存储过程也是报错：Prepared statement needs to be re-prepared，代码和存储过程没问题；这是数据库设置问题

查看这以下配置：

SHOW VARIABLES LIKE '%table_open_cache%';
SHOW VARIABLES LIKE '%table_definition_cache%';
执行语句，去服务器上登录mysql：
SET GLOBAL table_open_cache=16384;
SET GLOBAL table_definition_cache=16384;
在修改下my.cnf文件配置：

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