Please use the impala jdbc not hive jdbc like this: [root@nightly59-unsecure-3 ~]# mkdir -p /root/impala-jdbc/jdbc [root@nightly59-unsecure-3 ~]# hadoop classpath /etc/hadoop/conf:/opt/cloudera/parcels/CDH-5.9.3-1.cdh5.9.3.p0.56/lib/hadoop/libexec/../../hadoop/lib/*:/opt/clo... [root@nightly59-unsecure-3 ~]# cd /root/impala-jdbc/jdbc/ [root@nightly59-unsecure-3 jdbc]# ll total 13584 -rwxr-xr-x 1 root root 1554773 Apr 10 23:46 ImpalaJDBC4.jar -rwxr-xr-x 1 root root 1307923 Apr 10 23:46 TCLIServiceClient.jar -rwxr-xr-x 1 root root   46725 Apr 10 23:45 commons-codec-1.3.jar -rwxr-xr-x 1 root root   60686 Apr 10 23:45 commons-logging-1.1.1.jar -rwxr-xr-x 1 root root 7670596 Apr 10 23:45 hive_metastore.jar -rwxr-xr-x 1 root root  596600 Apr 10 23:45 hive_service.jar -rwxr-xr-x 1 root root  352585 Apr 10 23:46 httpclient-4.1.3.jar -rwxr-xr-x 1 root root  181201 Apr 10 23:46 httpcore-4.1.3.jar -rwxr-xr-x 1 root root  275186 Apr 10 23:46 libfb303-0.9.0.jar -rwxr-xr-x 1 root root  347531 Apr 10 23:46 libthrift-0.9.0.jar -rwxr-xr-x 1 root root  367444 Apr 10 23:46 log4j-1.2.14.jar -rwxr-xr-x 1 root root  294796 Apr 10 23:46 ql.jar -rwxr-xr-x 1 root root   23671 Apr 10 23:46 slf4j-api-1.5.11.jar -rwxr-xr-x 1 root root    9693 Apr 10 23:46 slf4j-log4j12-1.5.11.jar -rwxr-xr-x 1 root root  792964 Apr 10 23:46 zookeeper-3.4.6.jar [root@nightly59-unsecure-3 jdbc]# export HADOOP_CLASSPATH=`hadoop classpath`:/opt/cloudera/parcels/CDH-*/lib/hive/lib:/root/impala-jdbc/jdbc/* [root@nightly59-unsecure-3 jdbc]# beeline beeline> !connect 'jdbc:impala://nightly59-unsecure-3.gce.cloudera.com:21050;AuthMech=0' Connecting to jdbc:impala://nightly59-unsecure-3.gce.cloudera.com:21050;AuthMech=0 Enter username for jdbc:impala://nightly59-unsecure-3.gce.cloudera.com:21050;AuthMech=0: Enter password for jdbc:impala://nightly59-unsecure-3.gce.cloudera.com:21050;AuthMech=0: Connected to: Impala (version 2.7.0-cdh5.9.x) Driver: ImpalaJDBC (version 02.05.37.1057) Error: [Simba][JDBC](11975) Unsupported transaction isolation level: 4. (state=HY000,code=11975) 0: jdbc:impala://nightly59-unsecure-3.gce.clo> show tables; +------------+--+ |    name    | +------------+--+ | customers  | | sample_07  | | sample_08  | | web_logs   | +------------+--+ 4 rows selected (0.177 seconds) 0: jdbc:impala://nightly59-unsecure-3.gce.clo> select * from customers limit 5; +--------+---------------------+--+ |   id   |        name         | +--------+---------------------+--+ | 75012  | Dorothy Wilk        | | 17254  | Martin Johnson      | | 12532  | Melvin Garcia       | | 42632  | Raymond S. Vestal   | | 77913  | Betty J. Giambrone  | +--------+---------------------+--+ 5 rows selected (0.523 seconds) For the detail information, please check this document. https://www.cloudera.com/documentation/enterprise/latest/topics/impala_jdbc.html ... View more