Recently started to learn mapreduce. Xiaojun wrote for the first time mapreduce When I was young, I met a pit that novices often encounter , Concrete bug See the picture below
Those above are log information , On the last line Output directory xxxx already exists We have been told , The output directory of the program already exists ! So we just need to change the location of the output directory !
After changing the path to a path that doesn't actually exist , Rerun program ! Found running successfully !
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