shardingsphere 4.1.1 SQLFeatureNotSupportedException: isValid 解决办法 替换如下两个JAR sharding-jdbc-orchestration-4.1.1.jar sharding-jdbc-core-4.1.1.jar 参考下下面链接，更改源码 https://github.com/apache/shardingsphere/pull/6002/files/c191c9571ab5a2e9e6d3f0c0f84c8bb6cd36d851