果然不指定endpoint为hiveserver2类型后使用hive beeline工具连接上了。感谢!
不过我仍然有个疑问,看官网文档上有写提供 hiveserver2 endpoint 
是为了兼容hive方言,按理也应该可以使用beeline连接上,因为原本beeline支持连接hiveserver2
以下是原文:
HiveServer2 Endpoint is compatible with HiveServer2 wire protocol and allows 
users to interact (e.g. submit Hive SQL) with Flink SQL Gateway with existing 
Hive clients, such as Hive JDBC, Beeline, DBeaver, Apache Superset and so on.
这里有提到Beeline工具,难道不是 beeline> !connect jdbc:flink://localhost:8083 这样的连接方式了?



















在 2023-10-30 11:27:15,"Benchao Li" <libenc...@apache.org> 写道:
>Hi casel,
>
>Flink JDBC 链接到 gateway 目前使用的是 flink 的 gateway 接口,所以你在启动 gateway
>的时候不用指定 endpoint 为 hiveserver2 类型,用 Flink 默认的 gateway endpoint 类型即可。
>
>casel.chen <casel_c...@126.com> 于2023年10月29日周日 17:24写道:
>>
>> 1. 启动flink集群
>> bin/start-cluster.sh
>>
>>
>> 2. 启动sql gateway
>> bin/sql-gateway.sh start -Dsql-gateway.endpoint.type=hiveserver2
>>
>>
>> 3. 将flink-sql-jdbc-driver-bundle-1.18.0.jar放到apache-hive-3.1.2-bin/lib目录下
>>
>>
>> 4. 到apache-hive-3.1.2-bin目录下启动beeline连接sql gateway,提示输入用户名和密码时直接按的回车
>> $ bin/beeline
>> SLF4J: Class path contains multiple SLF4J bindings.
>> SLF4J: Found binding in 
>> [jar:file:/Users/admin/dev/hadoop-3.3.4/share/hadoop/common/lib/slf4j-reload4j-1.7.36.jar!/org/slf4j/impl/StaticLoggerBinder.class]
>> SLF4J: Found binding in 
>> [jar:file:/Users/admin/dev/apache-hive-3.1.2-bin/lib/log4j-slf4j-impl-2.10.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
>> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an 
>> explanation.
>> SLF4J: Actual binding is of type [org.slf4j.impl.Reload4jLoggerFactory]
>> Beeline version 3.1.2 by Apache Hive
>> beeline> !connect jdbc:flink://localhost:8083
>> Connecting to jdbc:flink://localhost:8083
>> Enter username for jdbc:flink://localhost:8083:
>> Enter password for jdbc:flink://localhost:8083:
>> Failed to create the executor.
>> 0: jdbc:flink://localhost:8083 (closed)> CREATE TABLE T(
>> . . . . . . . . . . . . . . . . . . . .>   a INT,
>> . . . . . . . . . . . . . . . . . . . .>   b VARCHAR(10)
>> . . . . . . . . . . . . . . . . . . . .> ) WITH (
>> . . . . . . . . . . . . . . . . . . . .>   'connector' = 'filesystem',
>> . . . . . . . . . . . . . . . . . . . .>   'path' = 'file:///tmp/T.csv',
>> . . . . . . . . . . . . . . . . . . . .>   'format' = 'csv'
>> . . . . . . . . . . . . . . . . . . . .> );
>> Failed to create the executor.
>> Connection is already closed.
>>
>
>
>-- 
>
>Best,
>Benchao Li

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