Multithreaded loop execution, the value of the variable is always the first value taken, the value of the variable is not cleared

[boorto]

Expected behavior

hello, When the loop is executed, the variable value is cleared at an unprecedented time each time

Actual behavior

When the second loop is executed, the value of the variable is still the value of the first time

Steps to reproduce the problem

JMeter Version

5.5

Java Version

1.8.0_391

OS Version

Win11[22631.3737]