Ama*_*Kar 15 java ubuntu hadoop hadoop2
我已经安装了 Javaopenjdk version "10.0.2"并且Hadoop 2.9.0成功了。所有进程都运行良好
hadoopusr@amalendu:~$ jps
19888 NameNode
20388 DataNode
20898 NodeManager
20343 SecondaryNameNode
20539 ResourceManager
21118 Jps
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但是当我尝试执行任何命令时,例如hdfs dfs -ls /收到此警告
hadoopusr@amalendu:~$ hdfs dfs -ls /
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.hadoop.security.authentication.util.KerberosUtil (file:/usr/local/hadoop/share/hadoop/common/lib/hadoop-auth-2.9.0.jar) to method sun.security.krb5.Config.getInstance()
WARNING: Please consider reporting this to the maintainers of org.apache.hadoop.security.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
18/09/04 00:29:24 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
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请帮助如何解决这个问题。这是我的 ~/.bashrc 文件配置
export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64
export HADOOP_HOME=/usr/local/hadoop
export PATH=$PATH:$HADOOP_HOME/bin
export PATH=$PATH:$HADOOP_HOME/sbin
export HADOOP_MAPRED_HOME=$HADOOP_HOME
export HADOOP_COMMON_HOME=$HADOOP_HOME
export HADOOP_HDFS_HOME=$HADOOP_HOME
export YARN_HOME=$HADOOP_HOME
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"
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Eug*_*ene 13
您对这些警告无能为力,这与拼图项目和强(er)封装有关。
基本上有一些类sun.security.krb5.Config称为java.security.jgss. 该模块“定义”了它导出的内容(其他人可以使用它的内容)以及输出给谁。这也意味着用简单的英语,这不是供公众使用的——不要碰它;做得好hadoop,这是他们解决这个问题的努力的一部分。您可以报告此问题或尝试升级hadoop,可能已经修复了。
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