随笔分类 - MapReduce

MapReduce数据处理实验

摘要：执行命令：[root@hadoop102 mapreduce]# hadoop jar mapreduce2_maven.jar Filter 错误信息：Exception in thread "main" java.lang.ClassNotFoundException: Filter at ja 阅读全文

posted @ 2021-11-25 17:26 风中明月阅读(800) 评论(0) 推荐(0)

Hadoop运行jar包报错java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException: 1

摘要：错误信息： java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException: 1 at org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:492 阅读全文

posted @ 2021-11-22 17:22 风中明月阅读(1467) 评论(0) 推荐(0)