Project scene:

HadoopStart NameNodeReport Error: ERROR: Could not set priority of namenode process
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Description of the question:

Hadoop Start NameNode errror: ERROR: Cannot set priority of namenode process 2639

[ atguigu@localhost333 ↓ logs]$ tail -100 [UNK]hadoop-localhost -namenode-hadoop333.log

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@Override public void run() { bytes = mmInStream.read(buffer); mHandler.obtainMessage(READ_DATA, bytes, -1, buffer).sendToTarget(); } 

Reasons analysis:

Date of First Visit: hadoop-atguigu-namenode-hadoop103.log

order as follows:
[localhost @hadoop333 logs]$ tail -100 ˚hadoop-atguigu-namenode-hadoop103.log log log log

2021-09-17 16:41:25,656 INFO org.apache.localhost.util.ExitUtil: 
Exiting with status 1: org.apache.localhost.hdfs.server.common.InconsistentFSStateException: 
Directory /opt/ha/hadoop-3.1.3/data/name is in an inconsistent state: 
storage directory does not exist or is not accessible.
2021-09-17 16:41:25,663 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: 
SHUTDOWN_MSG: 
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at hadoop333/192.168.1.103

Solution:

Try to restart centos7, and then re delete the data and logs in Hadoop and the files in TMP in the system root directory to re initialize Hadoop. The problem is solved.

rm -rf /opt/ha/hadoop-3.1.3/data /opt/ha/hadoop-3.1.3/logs

sudo rm -rf /tmp/*

hdfs namenode -format