Program: 147089
Project: 147089
Buggy source:
static JSONObject createAppearanceChangeJson(AbstractProperty prop,UUID objectUuid){
  boolean visibilityChange=prop.getName().equalsIgnoreCase("String_Node_Str");
  if (visibilityChange) {
    boolean newValue=PropertyHelper.getValueBool(prop);
    return createSetVisibleCommandJson(newValue,objectUuid);
  }
  boolean scaleChange=prop.getName().equalsIgnoreCase("String_Node_Str");
  if (scaleChange) {
    JSONObject commandJson=new JSONObject();
    commandJson.put("String_Node_Str","String_Node_Str");
    commandJson.put("String_Node_Str",objectUuid.toString());
    JSONArray jsonVec3=new JSONArray();
    for (int i=0; i < 3; i++)     jsonVec3.add(PropertyHelper.getValueVec3(prop,i));
    commandJson.put("String_Node_Str",jsonVec3);
    commandJson.put("String_Node_Str",jsonVec3);
    return commandJson;
  }
  boolean opacityChange=prop.getName().equalsIgnoreCase("String_Node_Str");
  boolean representationChange=prop.getName().equalsIgnoreCase("String_Node_Str");
  if (opacityChange || representationChange) {
    JSONObject commandJson=new JSONObject();
    commandJson.put("String_Node_Str","String_Node_Str");
    commandJson.put("String_Node_Str",objectUuid.toString());
    if (opacityChange) {
      commandJson.put("String_Node_Str","String_Node_Str");
      commandJson.put("String_Node_Str","String_Node_Str");
      commandJson.put("String_Node_Str",PropertyHelper.getValueDouble(prop));
    }
 else {
      commandJson.put("String_Node_Str","String_Node_Str");
      commandJson.put("String_Node_Str","String_Node_Str");
      commandJson.put("String_Node_Str",PropertyHelper.getValueInt(prop) == 2);
    }
    return commandJson;
  }
  if (prop.getName().equalsIgnoreCase("String_Node_Str")) {
    JSONObject commandJson=new JSONObject();
    commandJson.put("String_Node_Str","String_Node_Str");
    commandJson.put("String_Node_Str","String_Node_Str");
    commandJson.put("String_Node_Str","String_Node_Str");
    Vec3 newColor=new Vec3();
    for (int i=0; i < 3; i++)     newColor.set(i,PropertyHelper.getValueVec3(prop,i));
    commandJson.put("String_Node_Str",JSONUtilities.mapColorToRGBA(newColor));
    commandJson.put("String_Node_Str",objectUuid.toString());
    return commandJson;
  }
  JSONObject commandJson=new JSONObject();
  return commandJson;
}

Fixed version (ground truth):
static JSONObject createAppearanceChangeJson(AbstractProperty prop,UUID objectUuid){
  boolean visibilityChange=prop.getName().equalsIgnoreCase("String_Node_Str");
  if (visibilityChange) {
    boolean newValue=PropertyHelper.getValueBool(prop);
    return createSetVisibleCommandJson(newValue,objectUuid);
  }
  boolean scaleChange=prop.getName().equalsIgnoreCase("String_Node_Str");
  if (scaleChange) {
    JSONObject commandJson=new JSONObject();
    commandJson.put("String_Node_Str","String_Node_Str");
    commandJson.put("String_Node_Str",objectUuid.toString());
    JSONArray jsonVec3=new JSONArray();
    for (int i=0; i < 3; i++)     jsonVec3.add(PropertyHelper.getValueVec3(prop,i));
    commandJson.put("String_Node_Str",jsonVec3);
    commandJson.put("String_Node_Str",jsonVec3);
    return commandJson;
  }
  boolean opacityChange=prop.getName().equalsIgnoreCase("String_Node_Str");
  boolean representationChange=prop.getName().equalsIgnoreCase("String_Node_Str");
  if (opacityChange || representationChange) {
    JSONObject commandJson=new JSONObject();
    commandJson.put("String_Node_Str","String_Node_Str");
    commandJson.put("String_Node_Str",objectUuid.toString());
    if (opacityChange) {
      commandJson.put("String_Node_Str","String_Node_Str");
      commandJson.put("String_Node_Str","String_Node_Str");
      commandJson.put("String_Node_Str",PropertyHelper.getValueDouble(prop));
    }
 else {
      commandJson.put("String_Node_Str","String_Node_Str");
      commandJson.put("String_Node_Str","String_Node_Str");
      commandJson.put("String_Node_Str",PropertyHelper.getValueInt(prop) == 2);
    }
    return commandJson;
  }
  if (prop.getName().equalsIgnoreCase("String_Node_Str")) {
    Vec3 newColor=new Vec3();
    for (int i=0; i < 3; i++)     newColor.set(i,PropertyHelper.getValueVec3(prop,i));
    return createSetMaterialColorCommand(newColor,objectUuid);
  }
  JSONObject commandJson=new JSONObject();
  return commandJson;
}