【Hadoop集群系列】分布式集群运行wordcount报错exited with exitCode: 1【Error: Could not find or load main class】

一、集群情况 集群搭建过程见https://blog.csdn.net/lynne_cat/article/details/102975026 二、运行命令 bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.7.jar grep input output 'dfs[a-z.]+' 三、报错信息 命令行输出  19

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