Hive:Unable to open a test connection to the given database. JDBC url = jdbc:mysql://master12:3306
hive启动不成功，一直报各种错， 我是执行这条命令出的错：hive --service metastore 这个问题困扰了我两三天一直没解决， 网上找了各种方法基本都试过，还是不行， 可能每个人的原因也不太一样吧，我说我的解决方法，可以试下： 1、检查是否有设置用户名和密码，在 hive配置文件里：hive-site.xml ； 如 用户名：root,密码：password 2、进入mysql:
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