Hi,
Used to loop though a CSV file with while controller, I am unable to make nested CSV while loops work.

Config:
ThreadGroup
  ...
  while condition=${var1}
    CSV dataset from file1.csv vars=var1
    while condition=${var2}
      CSV dataset from file2.csv vars=var2
      debug sampler

No matter values of dataset's options, second loop never ends and var1 keeps the same value. I assume it is related to jMeter internal environment?
Am I misusing the tool?

Had to use a basic loop controller, much less handy.

BR