Hive启动时报错：

Exception in thread "main" java.lang.RuntimeException: java.net.ConnectException:
 Call From master/192.168.88.254 to master:8020 failed on connection exception: 
java.net.ConnectException: 

拒绝连接;

 For more details see:

http://wiki.apache.org/hadoop/ConnectionRefused

jdk版本是1.8 运行环境Linux