我正在尝试运行hadoop集群(hadoop3.0.0)的hadoop-mapreduce-examples-3.0.0.jar,但我看到的错误是无法找到或加载主类org.apache.hadoop.mapred.YarnChild命令:hadoop jar hadoop-mapreduce-examples-3.0.0.jar pi 2 10
<!<name>fs.defaultFS</name>
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Hadoop cosn工具执行mapreduce报错yarn找不到CosFileSystem类?执行:hadoop fs -ls cosn//path/ 正常显示cos中的文件目录bin/hadoop jar share/hadoop/mapreduce: Class org.apache.hadoop.fs.CosFileSystem not found
at org.apache.ha
我在三台机器上安装hadoop-2.7.3,全部是ubuntu14.04,一个namenode和两个datanode,每台机器都有48 on的RAM。在我跑完之后
hadoop jar hadoop-install/hadoop-2.7.3/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.3.: Could not delete hdfs://master:54