hive启动警告：Establishing SSL connection without server's identity verification is not recommended

最新推荐文章于 2022-04-29 14:45:00 发布

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本文介绍了在启动Hive时遇到的SSL连接警告问题及解决方案。通过修改hive-site.xml文件中的javax.jdo.option.ConnectionURL参数，并对XML文件内的&符号进行正确的转义处理，成功解决了启动时的警告及报错。

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启动hive报警告：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

根据提示在hive配置文件hive-site.xml中修改javax.jdo.option.ConnectionURL参数

修改前：

jdbc:mysql://10.10.110.110:3306/hive?characterEncoding=utf8&useSSL=false

修改后：

jdbc:mysql://10.10.110.110:3306/hive?characterEncoding=utf8&useSSL=false

启动hive后报错，出现The reference to entity "useSSL" must end with the ';' delimiter错误，查询一番后发现原来在xml文件中 &符号需要转义这个根据 HTML 的转义规则更改就行
& -> & 于是便解决了。

正确配置：

jdbc:mysql://10.10.110.110:3306/hive?characterEncoding=utf8&useSSL=false