黑鱼

一.理解造成的原因1.sharding没有实现isValid方法参考类AbstractUnsupportedOperationConnection@Overridepublic final boolean isValid(final int timeout) throws SQLException { throw new SQLFeatureNotSupportedException("isValid");}2. 调用isValid的原因参考类DataSourceH.

public class MyException extends Exception{ private String message; public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } @Ov...