5、Hadoop datanode无法启动,报错: java.io.IOException: Incompatible clusterIDs
2017-10-17 11:44
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java.io.IOException: Incompatible clusterIDs in /tmp/hadoop-wang/dfs/data: namenode clusterID = CID-50eba0c5-98bc-4d33-bd26-240b23d3fd08; datanode clusterID = CID-cfe8646c-35d7-41ff-861f-895c7e68c0d1
按照上面的教程配置完,完全分布式后,在s116 matser 主机上start-all.sh ,发现s118的datanode并未,向预期一样启动。查看日志,如下图
java.io.IOException: Incompatible clusterIDs in /tmp/hadoop-wang/dfs/data: namenode clusterID = CID-50eba0c5-98bc-4d33-bd26-240b23d3fd08; datanode clusterID = CID-cfe8646c-35d7-41ff-861f-895c7e68c0d1
说明 namenodclusterID这个参数有错误
修改 /tmp/hadoop-wang/dfs/data下面的VERSION的namenode位正确值,可以去master主机s116对应的这个文件下去查看,也可以去其他可以正常启动的slaves主机s119下,去查看正确的值,
修改完应该就可以了。
按照上面的教程配置完,完全分布式后,在s116 matser 主机上start-all.sh ,发现s118的datanode并未,向预期一样启动。查看日志,如下图
java.io.IOException: Incompatible clusterIDs in /tmp/hadoop-wang/dfs/data: namenode clusterID = CID-50eba0c5-98bc-4d33-bd26-240b23d3fd08; datanode clusterID = CID-cfe8646c-35d7-41ff-861f-895c7e68c0d1
说明 namenodclusterID这个参数有错误
修改 /tmp/hadoop-wang/dfs/data下面的VERSION的namenode位正确值,可以去master主机s116对应的这个文件下去查看,也可以去其他可以正常启动的slaves主机s119下,去查看正确的值,
修改完应该就可以了。
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