1、报错

[root@hadoop21 ~]# beeline -u jdbc:hive2://hadoop21:10000 -n root
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/opt/module/hive/lib/log4j-slf4j-impl-2.10.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/opt/module/hadoop-3.1.3/share/hadoop/common/lib/slf4j-log4j12-1.7.25.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.apache.logging.slf4j.Log4jLoggerFactory]
Connecting to jdbc:hive2://hadoop21:10000
24/05/04 05:34:50 [main]: WARN jdbc.HiveConnection: Failed to connect to hadoop21:10000
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://hadoop21:10000: java.net.ConnectException: 拒绝连接 (Connection refused) (state=08S01,code=0)
Beeline version 3.1.2 by Apache Hive

2、基础检查

1、查看防火墙端口10000
2、检查HiveServer2配置
3、查看HiveServer2日志
4、权限问题

3、权限问题

如果上面的都没有解决，那么就说HDFS的权限问题

1、检查目录是否存在

hadoop fs -ls /user/hive/warehouse

2、创建目录（如果不存在）

hadoop fs -mkdir -p /user/hive/warehouse

3、设置适当的权限

hadoop fs -chmod 777 /user/hive/warehouse