Hello all, MySQL Connector/J 5.1.26, a maintenance release of the production 5.1 branch has been released. Connector/J is the Type-IV pure-Java JDBC driver for MySQL. Version 5.1.26 is suitable for use with many MySQL server versions, including 4.1, 5.0, 5.1, 5.4, 5.5 and 5.6.
是mysql-connector-java-commercial-5.1.26-bin.jar，不知道这commercial什么意思啊
多谢 之前更新了 mysql没有更新这个导致无法访问的情况