在 kerberos 身份验证下使用 JDBC 连接到 impala 时出错
我创建了一个扩展 DriverManagerDataSource 的类 SecureImpalaDataSource,并使用 UserGroupInformation.doAs()
使用 keytab 文件获取到 impala 的连接.但我得到如下错误:
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 错误为身份验证初始化或创建传输:[Simba]ImpalaJDBCDriver 无法连接到服务器:null.
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,我成功了.任何人都可以帮助我吗?
But I am successful when I get the connection with kerberos ticket cache in a test demo. Anyone can help me?
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.