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Question by castor · Mar 18, 2014 at 04:31 PM · buildnullreferenceexceptiondebug

Error in Build but not in Editor - output_log.txt debug problem

UPDATE : Found what is the line that is causing the issue (updated example). Still no idea how to fix it....

So I'm executing this function on Update()

 var pickUpObjectsInSightList = new List.<Transform>(); //Contains a list of all the objects the current actor can see.
 
 function PickUpObjectsInSight (){
     for(var pickUpObject : Transform in objManager.pickUpObjectList){
         var objectCenter : Vector3;

         objectCenter = pickUpObject.renderer.bounds.center;
     }  
 }

Now when I'm in the editor everything works fine but, when I do a build I start to get errors on the log that change the behaviour. I can't figure out what the problem is. It's my first time actually learning about the output_log...

 NullReferenceException
   at (wrapper managed-to-native) UnityEngine.Transform:INTERNAL_get_position (UnityEngine.Vector3&)
 
   at UnityEngine.Transform.get_position () [0x00000] in <filename unknown>:0 
 
   at Player_Properties.PickUpObjectsInSight () [0x00000] in <filename unknown>:0 
 
   at Script_Wife.Update () [0x00000] in <filename unknown>:0 
  
 (Filename:  Line: -1)

Any help very appreciated!

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Answer by castor · Mar 19, 2014 at 05:54 AM

Found the problem. It was totally my fault but I might as well share it here in case other people fall in the same trap.

I had written a piece of code to allow me to remove test object from the release build (if they have a certain flag set as true):

     if (isDebugOnly && !Debug.isDebugBuild){
         Destroy(gameObject);
     }


But this code was written AFTER this other line:

 objManager.pickUpObjectList.Add (transform);

Causing it to destroy the object AFTER it was added to the list and ONLY on the actual build!! argh!

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