在kerberos身份验证下使用JDBC连接到Impala时出错 [英] Error when connect to impala with JDBC under kerberos authrication
问题描述
我创建一个扩展了DriverManagerDataSource的类SecureImpalaDataSource,并使用UserGroupInformation.doAs()
获取带有keytab文件的impala连接.但是我得到如下错误:
I create a class SecureImpalaDataSource that extends DriverManagerDataSource, and use UserGroupInformation.doAs()
to get a Connection to impala with keytab file. But I get the error as follow:
java.sql.SQLException:[Simba] ImpalaJDBCDriver错误 初始化或创建用于身份验证的传输: [Simba] ImpalaJDBCDriver无法连接到服务器:空.
java.sql.SQLException: [Simba]ImpalaJDBCDriver Error initialized or created transport for authentication: [Simba]ImpalaJDBCDriver Unable to connect to server: null.
但是当我在测试演示中获得与kerberos票证缓存的连接时,我就成功了.有人可以帮助我吗?
But I am successful when I get the connection with kerberos ticket cache in a test demo. Anyone can help me?
推荐答案
结果是我的URL中的HOST和FQDN不一致.
The result is that the HOST and the FQDN in my URL are inconsistent.
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