问题描述:

MySQL更新到8.0.11之后连接数据库时会报出错误

Your login attempt was not successful, try again.
Reason: Could not get JDBC Connection; nested exception is java.sql.SQLException: java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.lang.Long

解决方式:

检查下原因发现是MySQL驱动包版本不一致,

mysql-connector-java.jar的版本5.1.21改为8.0.11即可

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