MySQL使用SSH key登录转发的时候加密算法错误

The cipher ‘aes256-cbc’ is required, but it is not available.
or
Caused by: java.security.InvalidKeyException: Illegal key size

主要是因为你没有安装AES无限策略文件支持
通过下面的地址下载吧

Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 6

Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 7 Download

Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 8 Download

然后安装到路径 ${java.home}/jre/lib/security/.