Error: Could not open client transport with JDBC Uri 解决方案
这里写自定义目录标题
- 错误现象
- 解决方案
错误现象
[root@cpucode100 bin]# beeline -u jdbc:hive2://cpucode100:10000 -n root
Connecting to jdbc:hive2://cpucode100:10000
21/12/15 21:41:51 [main]: WARN jdbc.HiveConnection: Failed to connect to cpucode100:10000
Error: Could not open client transport with JDBC Uri: jdbc:hive2://cpucode100:10000: Failed to open new session: java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.authorize.AuthorizationException): User: root is not allowed to impersonate root (state=08S01,code=0)
Beeline version 3.1.2 by Apache Hive
Connecting to jdbc:hive2://cpucode100:10000
21/12/16 21:15:53 [main]: WARN jdbc.HiveConnection: Failed to connect to cpucode100:10000
Could not open connection to the HS2 server. Please check the server URI and if the URI is correct, then ask the administrator to check the server status.
Error: Could not open client transport with JDBC Uri: jdbc:hive2://cpucode100:10000: java.net.ConnectException: Connection refused (Connection refused) (state=08S01,code=0)
Beeline version 3.1.2 by Apache Hive
解决方案
在 hadoop 文件 core-site.xml 中配置信息如下，重启Hadoop，再次启动 hiveserver2 和 beeline 即可
把下面的root替换成自己的用户名
<property><name>hadoop.proxyuser.root.hosts</name><value>*</value></property><property><name>hadoop.proxyuser.root.groups</name><value>*</value></property>
分发
xsync /etc
重启启动
myhadoop.sh stop
myhadoop.sh start
hive --service hiveserver2
等待, 这里会很久 , 大概10分钟左右
beeline -u jdbc:hive2://cpucode100:10000 -n root
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