[hadoop] ha 하둡 실행 시 java.lang.IllegalStateException: Could not determine own NN ID in namespace 'ha-hadoop'. Please ensure that this node is one of the machines listed as an NN RPC address, or configure dfs.ha.namenode.id 오류 처리

HA 하둡에서 네임노드 실행시 다음과 같은 오류가 발생하는 경우가 있습니다.

 

22/08/20 12:11:24 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]
22/08/20 12:11:24 INFO namenode.NameNode: createNameNode [-bootstrapStandby, -force]
22/08/20 12:11:24 ERROR namenode.NameNode: Failed to start namenode.
java.io.IOException: java.lang.IllegalStateException: Could not determine own NN ID in namespace 'ha-hadoop'. Please ensure that this node is one of the machines listed as an NN RPC address, or configure dfs.ha.namenode.id
	at org.apache.hadoop.hdfs.server.namenode.ha.BootstrapStandby.run(BootstrapStandby.java:549)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1741)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1834)
Caused by: java.lang.IllegalStateException: Could not determine own NN ID in namespace 'ha-hadoop'. Please ensure that this node is one of the machines listed as an NN RPC address, or configure dfs.ha.namenode.id
	at org.apache.hadoop.thirdparty.com.google.common.base.Preconditions.checkState(Preconditions.java:591)
	at org.apache.hadoop.hdfs.HAUtil.getNameNodeIdOfOtherNodes(HAUtil.java:180)
	at org.apache.hadoop.hdfs.HAUtil.getConfForOtherNodes(HAUtil.java:203)
	at org.apache.hadoop.hdfs.server.namenode.ha.RemoteNameNodeInfo.getRemoteNameNodes(RemoteNameNodeInfo.java:51)
	at org.apache.hadoop.hdfs.server.namenode.ha.BootstrapStandby.parseConfAndFindOtherNN(BootstrapStandby.java:429)
	at org.apache.hadoop.hdfs.server.namenode.ha.BootstrapStandby.run(BootstrapStandby.java:114)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:81)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:95)
	at org.apache.hadoop.hdfs.server.namenode.ha.BootstrapStandby.run(BootstrapStandby.java:544)
	... 2 more
22/08/20 12:11:24 INFO util.ExitUtil: Exiting with status 1: java.io.IOException: java.lang.IllegalStateException: Could not determine own NN ID in namespace 'ha-hadoop'. Please ensure that this node is one of the machines listed as an NN RPC address, or configure dfs.ha.namenode.id

 

이 오류는 ha 하둡 설정이 정상적인 네임노드 호스트를 지정하고 있지 않기 때문입니다.

다음 설정이 지정한 네임노드가 맞는지 확인 해 보면 됩니다.

 

• dfs.namenode.http-address.[nameservice].[id]
• dfs.namenode.https-address.[nameservice].[id]
• dfs.namenode.rpc-address.[nameservice].[id]