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错误1:HADOOP_HOME and hadoop.home.dir are unset 原因:没有在Windows配置环境变量 解决办法:配置环境变量:记得配置到bin目录 错误2:Could not locate Hadoop executable: D:\hadoop-3.2.1\bin\w 阅读全文
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题目描述: To prepare for PAT, the judge sometimes has to generate random passwords for the users. The problem is that there are always some confusing pass 阅读全文
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报错内容如下: Exception in thread "main" org.apache.hadoop.fs.UnsupportedFileSystemException: No FileSystem for scheme "hdfs"at org.apache.hadoop.fs.FileSys 阅读全文
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Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less tha 阅读全文