小白的Hadoop学习笔记 2024/5/14 18:26

问题

namenode启动失败

读日志

安装目录下

vim /usr/local/hadoop/logs/hadoop-tangseng-namenode-hadoop102.log

2024-05-14 00:22:46,262 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode.
org.apache.hadoop.hdfs.server.common.InconsistentFSStateException: Directory /usr/local/hadoop/data/dfs/name is in an inconsistent state: storage directory does not exist or is not accessible.
at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverStorageDirs(FSImage.java:327)
at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:215)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:975)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:681)
at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:584)
at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:644)
at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:811)
at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:795)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1488)
at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1554)
2024-05-14 00:22:46,264 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
2024-05-14 00:22:46,271 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG:

解决

目录写错了，Hadoop的数据存储目录写错了

下面是正确的，原来写的是/usr/local/hadoop/data

报错

浅浅分析一下

我是跟这个视频学的

31_尚硅谷_Hadoop_入门_群起集群并测试_哔哩哔哩_bilibili

对比我的和视频的

core-ste.xml

视频的

我的

可能是版本不一样，我这边是存在tmp目录下