JAVA高级面试进阶训练营视频教程

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1 异常信息

05-30 07:53:45,204 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Maximum size of an xattr: 16384
2019-05-30 07:53:45,204 WARN org.apache.hadoop.hdfs.server.common.Storage: Storage directory /mnt/software/hadoop-2.6.0-cdh5.16.1/data/tmp/dfs/name does not exist
2019-05-30 07:53:45,223 WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Encountered exception loading fsimage
org.apache.hadoop.hdfs.server.common.InconsistentFSStateException: Directory /mnt/software/hadoop-2.6.0-cdh5.16.1/data/tmp/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:377)
        at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:228)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1152)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:799)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:614)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:676)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:844)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:823)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1547)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1615)
2019-05-30 07:53:45,272 INFO org.mortbay.log: Stopped HttpServer2$SelectChannelConnectorWithSafeStartup@0.0.0.0:50070
2019-05-30 07:53:45,273 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping NameNode metrics system...
2019-05-30 07:53:45,274 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system stopped.
2019-05-30 07:53:45,274 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system shutdown complete.
2019-05-30 07:53:45,274 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode.
org.apache.hadoop.hdfs.server.common.InconsistentFSStateException: Directory /mnt/software/hadoop-2.6.0-cdh5.16.1/data/tmp/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:377)
        at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:228)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1152)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:799)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:614)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:676)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:844)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:823)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1547)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1615)
2019-05-30 07:53:45,275 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
2019-05-30 07:53:45,279 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at localhost/127.0.0.1
************************************************************/

2 原因以及解决思路

　　     core-site.xml  与 hdfs-site.xml中的hdfs存储路径设置不一致，修改成一致的即可解决问题