gertwieland opened a new issue, #3142:
URL: https://github.com/apache/hop/issues/3142

   ### Apache Hop version?
   
   2.5
   
   ### Java version?
   
   openjdk 11.0.19 2023-04-18 OpenJDK Runtime Environment OpenLogic-OpenJDK 
(build 11.0.19+7-adhoc..jdk11u) OpenJDK 64-Bit Server VM OpenLogic-OpenJDK 
(build 11.0.19+7-adhoc..jdk11u, mixed mode)
   
   ### Operating system
   
   Windows
   
   ### What happened?
   
   The "Get fields to select" button in the "Select values" transform works 
fine when no fields are listed yet (eg. when using the transform for the first 
time).
   
   However, it doesn't work when the list is already populated. At this point, 
pushing the button (for example because the incoming fields have changed) does 
nothing.
   
   After deleting the current fields manually and then hitting that button 
again, it states that "**There already is data entered, 0 lines were found**".
   
   It seems that at this step, it recognizes that there WERE fields before, but 
then it counts the current fields and finds that there are zero.
   
   <img width="365" alt="image" 
src="https://github.com/apache/hop/assets/51762835/4f3bade6-aa5b-4801-be9b-81944672c0a5";>
   
   
   
   
   ### Issue Priority
   
   Priority: 3
   
   ### Issue Component
   
   Component: Hop Gui


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