Recently wrote a graphs found a strange thing, code in eclipse operating normally, the results can also be normal, according to
But when the code package, directly in the hadoop cluster is running, is an error, specific as follows:
The Exception in the thread "main" org. Apache. Hadoop. Mapred. FileAlreadyExistsException: the Output directory HDFS://iflytek01:9000/test022/stu. TXT already exists


Submission instructions are as follows: hadoop jar/root/datas/wordcount jar test. The graphs. The wordcount test022/stu. TXT/test022 output04
But stu. TXT input is clearly??????


For help???????????????????????????????