Hadoop伪分布配置错误总结

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Hadoop伪分布配置错误总结

小编在进行hadoop学习过程中,在对hadoop的伪分布进行配置时,对两个配置文件进行了修改。一个是core-site.xml和hdfs-site.xml。

配置后运行出现了以下错误:

17/03/13 04:20:36 ERROR namenode.NameNode: Failed to start namenode.java.lang.IllegalArgumentException: URI has an authority component    at java.io.File.<init>(File.java:423)    at org.apache.hadoop.hdfs.server.namenode.NNStorage.getStorageDirectory(NNStorage.java:329)    at org.apache.hadoop.hdfs.server.namenode.FSEditLog.initJournals(FSEditLog.java:276)    at org.apache.hadoop.hdfs.server.namenode.FSEditLog.initJournalsForWrite(FSEditLog.java:247)    at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:986)    at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1434)    at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1559)17/03/13 04:20:36 INFO util.ExitUtil: Exiting with status 117/03/13 04:20:36 INFO namenode.NameNode: SHUTDOWN_MSG: /************************************************************SHUTDOWN_MSG: Shutting down NameNode at ubuntu/127.0.1.1************************************************************/

错误发生的原因是配置文件写错了,配置文件中不要加file:

core-site.xml内容如下:

hdfs-site.xml内容如下:

重新运行启动即可。

17/03/13 04:33:37 INFO common.Storage: Storage directory /usr/local/hadoop/tmp/dfs/name has been successfully formatted.17/03/13 04:33:37 INFO namenode.FSImageFormatProtobuf: Saving image file /usr/local/hadoop/tmp/dfs/name/current/fsimage.ckpt_0000000000000000000 using no compression17/03/13 04:33:37 INFO namenode.FSImageFormatProtobuf: Image file /usr/local/hadoop/tmp/dfs/name/current/fsimage.ckpt_0000000000000000000 of size 353 bytes saved in 0 seconds.17/03/13 04:33:37 INFO namenode.NNStorageRetentionManager: Going to retain 1 images with txid >= 017/03/13 04:33:37 INFO util.ExitUtil: Exiting with status 017/03/13 04:33:37 INFO namenode.NameNode: SHUTDOWN_MSG: /************************************************************SHUTDOWN_MSG: Shutting down NameNode at ubuntu/127.0.1.1************************************************************/
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