Operation category READ is not supported in state standby解决办法
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当从一个集群向另一个集群中导入数据时
hadoop distcp hdfs://1.1.1.1:8080/user/hive/warehouse/database_name.db/tableName/partitions hafs://2.2.2.2:8020/user/hive/warehouse/database_name.db/tableName/partitions/*
出现以下错误:
org.apache.haddop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category READ is not supported in state standby:
解决办法:
hdfs写的那台机器是待机状态的,所以不支持,要在active 机器中写才行。
hdfs haadmin -transitionToActive --forcemanual nn1
再次访问就变一active,一个standy
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