启动hive报错java.net.ConnectException: Call From hadoop102/172.21.x.x to hadoop102:9000 failed on connec

yidianyidei

于 2020-08-11 00:08:33 发布

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分类专栏：大数据中遇到坑文章标签： hadoop hive

本文链接：https://blog.youkuaiyun.com/yidianyidei/article/details/107925151

在启动Hive时遇到java.net.ConnectException，原因是standby NameNode未激活。解决方法是激活Hadoop HA集群的NameNode，通过运行start-dfs.sh命令使NameNode状态变为active，从而成功启动Hive。

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文章目录

- 启动 hive 报错
- - 报错
  - 分析
  - 结论
  - 解决

启动 hive 报错

[root@hadoop102 hive]# bin/hive

报错

Logging initialized using configuration in jar:file:/opt/module/hive/lib/hive-common-1.2.1.jar!/hive-log4j.properties
Exception in thread "main" java.lang.RuntimeException: java.net.ConnectException: Call From hadoop102/172.21.0.7 to hadoop102:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
        at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:522)
        at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:677)
        at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:621)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethod