kettle 在linux 環境下執行時報以下錯誤：
Sun Jul 12 12:06:56 CST 2020 WARN: Establishing SSL connection without server’s identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn’t set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to ‘false’. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.
這句話的谷歌翻譯為
看了谷歌的翻譯后，大致明白是什么意思，在jdbc連接設置useSSL = false
方法：設置連接方式
url: jdbc:mysql://localhost:3306/test1?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC&useSSL=false
在kettle 上設置方式
1.點開數據庫連接，進行編輯，如下圖
