导读：今天mysql出现Table 'performance_schema.session_variables' doesn't exist错误，mysql驱动 jar 换到现在最新的mysql-connector-java-5.1.39-bin.jar
今天mysql出现Table 'performance_schema.session_variables' doesn't exist错误
解决方法如下：
mysql驱动 jar 换到现在最新的mysql-connector-java-5.1.39-bin.jar
