Hadoop2.10.1 JDK - 15.0.2 _linux - x64_bin CentOS7
The JPS six full, web interface can be normal open, HDFS directory there is an error, localhost but did not change,




[hadoop @ localhost hadoop] $sbin/start - all. Sh
Home This script is Deprecated. Use the start - DFS. Sh and start - yarn. Sh
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org, apache hadoop, security, authentication, util. KerberosUtil (file:/home/hadoop/app/hadoop - 2.10.1/share/hadoop/common/lib/hadoop - auth - 2.10.1. Jar) to method sun. Security. Krb5. Config. GetInstance ()
WARNING: both Please consider reporting this to the maintainers of org.. Apache hadoop. Security. The authentication. Util. KerberosUtil
WARNING: Use - illegal - access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Starting namenodes on [localhost]
Localhost: starting the namenode, logging to/home/hadoop/app/hadoop - 2.10.1/logs/hadoop - hadoop namenode - localhost. Localdomain. Out
Localhost: WARNING: An illegal reflective access operation has occurred
Localhost: WARNING: Illegal reflective access by org.. Apache hadoop, security, authentication, util. KerberosUtil (file:/home/hadoop/app/hadoop - 2.10.1/share/hadoop/common/lib/hadoop - auth - 2.10.1. Jar) to method sun. Security. Krb5. Config. GetInstance ()
Localhost: WARNING: both Please consider reporting this to the maintainers of org.. Apache hadoop. Security. The authentication. Util. KerberosUtil
Localhost: WARNING: Use - illegal - access=warn to enable warnings of further illegal reflective access operations
Localhost: WARNING: All illegal access operations will be denied in a future release
Localhost: starting the datanode, logging to/home/hadoop/app/hadoop - 2.10.1/logs/hadoop - hadoop - datanode - localhost. Localdomain. Out
Localhost: WARNING: An illegal reflective access operation has occurred
Localhost: WARNING: Illegal reflective access by org.. Apache hadoop, security, authentication, util. KerberosUtil (file:/home/hadoop/app/hadoop - 2.10.1/share/hadoop/common/lib/hadoop - auth - 2.10.1. Jar) to method sun. Security. Krb5. Config. GetInstance ()
Localhost: WARNING: both Please consider reporting this to the maintainers of org.. Apache hadoop. Security. The authentication. Util. KerberosUtil
Localhost: WARNING: Use - illegal - access=warn to enable warnings of further illegal reflective access operations
Localhost: WARNING: All illegal access operations will be denied in a future release
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to/home/hadoop/app/hadoop - 2.10.1/logs/hadoop - hadoop - secondarynamenode - localhost. Localdomain. Out
0.0.0.0: WARNING: An illegal reflective access operation has occurred
0.0.0.0: WARNING: Illegal reflective access by org.. Apache hadoop, security, authentication, util. KerberosUtil (file:/home/hadoop/app/hadoop - 2.10.1/share/hadoop/common/lib/hadoop - auth - 2.10.1. Jar) to method sun. Security. Krb5. Config. GetInstance ()
0.0.0.0: WARNING: both Please consider reporting this to the maintainers of org.. Apache hadoop. Security. The authentication. Util. KerberosUtil
0.0.0.0: WARNING: Use - illegal - access=warn to enable warnings of further illegal reflective access operations
0.0.0.0: WARNING: All illegal access operations will be denied in a future release
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org, apache hadoop, security, authentication, util. KerberosUtil (file:/home/hadoop/app/hadoop - 2.10.1/share/hadoop/common/lib/hadoop - auth - 2.10.1. Jar) to method sun. Security. Krb5. Config. GetInstance ()
WARNING: both Please consider reporting this to the maintainers of org.. Apache hadoop. Security. The authentication. Util. KerberosUtil
WARNING: Use - illegal - access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Starting yarn daemons
Starting the resourcemanager, logging to/home/hadoop/app/hadoop - 2.10.1/logs/yarn - hadoop - the resourcemanager - localhost. Localdomain. Out
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org, apache hadoop, security, authentication, util. KerberosUtil (file:/home/hadoop/app/hadoop - 2.10.1/share/hadoop/common/lib/hadoop - auth - 2.10.1. Jar) to method sun. Security. Krb5. Config. GetInstance ()
WARNING: both Please consider reporting this to the maintainers of org.. Apache hadoop. Security. The authentication. Util. KerberosUtil
WARNING: Use - illegal - access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Localhost: starting nodemanager, logging to/home/hadoop/app/hadoop - 2.10.1/logs/yarn - hadoop - nodemanager - localhost. Localdomain. Out