xy1024xiangyu commented on pull request #17916:
URL: https://github.com/apache/spark/pull/17916#issuecomment-801430251


   @cloud-fan , yes, I have followed the instruction. When I running 
`spark-submit` on my standalone windows machine, such error happens. However if 
I put my java jar on linux server, with the same way of running  `spark-submit` 
, it works well.  
   
   Why it happens?  Because some path is in the system path of windows and 
spark-submit find two datasource?  Is it a bug then. I saw many post about this 
"Mutilple source found for ...", e.g. csv/json. My case is text.  No idea why 
this error happens


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