Github user heary-cao commented on the issue:
https://github.com/apache/spark/pull/17869
@HyukjinKwon
I agree with your point of view. So I again tested.
When running the first unit test, will set the spark. Local. Dir. At the
end, this directory will be deleted.
Delete`
..\spark-dd832eb6-0c82-4354-b48e-917d82b7f3be\spark-3487446f-0d8d-46cc-8ff5-b3115ded595d\userFiles-cc48f5f4-b6a3-4e31-a6ff-a0175df1d2c0`
file at the same time.
but Run the second unit tests, the reset will set the spark. Local. Dir. At
the end, this directory will be deleted again. at the same time delete
`..\spark-dd832eb6-0c82-4354-b48e-917d82b7f3be\spark-3487446f-0d8d-46cc-8ff5-b3115ded595d\userFiles-d07214c1-f04c-4e08-a256-c1f2f6f9b529`
file.
The file directory is created the first unit test run time.
So the residual directory is
`..\spark-dd832eb6-0c82-4354-b48e-917d82b7f3be\spark-3487446f-0d8d-46cc-8ff5-b3115ded595d.`
I modify the code again. please review it again.
thanks.
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