Program: 11541
Project: 11541
Buggy source:
@Override public void initParameters(){
  OperatorUIUtils.initParamList(bandList,getBandNames());
  final String demNameParam=(String)paramMap.get("String_Node_Str");
  if (demNameParam != null)   demName.setSelectedItem(DEMFactory.appendAutoDEM(demNameParam));
  demResamplingMethod.setSelectedItem(paramMap.get("String_Node_Str"));
  final File extFile=(File)paramMap.get("String_Node_Str");
  if (extFile != null) {
    externalDEMFile.setText(extFile.getAbsolutePath());
    extNoDataValue=(Double)paramMap.get("String_Node_Str");
    if (extNoDataValue != null && !textAreaKeyListener.isChangedByUser()) {
      externalDEMNoDataValue.setText(String.valueOf(extNoDataValue));
    }
  }
  isSARSimTC=(Boolean)paramMap.get("String_Node_Str");
  if (isSARSimTC == null)   isSARSimTC=true;
  if (!isSARSimTC) {
    reGridMethod=(Boolean)paramMap.get("String_Node_Str");
    reGridMethodCheckBox.setSelected(reGridMethod);
    orbitMethod=(Boolean)paramMap.get("String_Node_Str");
    orbitMethodCheckBox.setSelected(orbitMethod);
    saveDEM=(Boolean)paramMap.get("String_Node_Str");
    saveDEMCheckBox.setSelected(saveDEM);
    saveZeroHeightSimulation=(Boolean)paramMap.get("String_Node_Str");
    saveZeroHeightSimulationCheckBox.setSelected(saveZeroHeightSimulation);
    saveLocalIncidenceAngle=(Boolean)paramMap.get("String_Node_Str");
    saveLocalIncidenceAngleCheckBox.setSelected(saveLocalIncidenceAngle);
  }
  saveLayoverShadowMask=(Boolean)paramMap.get("String_Node_Str");
  saveLayoverShadowMaskCheckBox.setSelected(saveLayoverShadowMask);
  enableExtraOptions(!isSARSimTC);
}

Fixed version (ground truth):
@Override public void initParameters(){
  OperatorUIUtils.initParamList(bandList,getBandNames());
  final String demNameParam=(String)paramMap.get("String_Node_Str");
  if (demNameParam != null)   demName.setSelectedItem(DEMFactory.appendAutoDEM(demNameParam));
  demResamplingMethod.setSelectedItem(paramMap.get("String_Node_Str"));
  final File extFile=(File)paramMap.get("String_Node_Str");
  if (extFile != null) {
    externalDEMFile.setText(extFile.getAbsolutePath());
    extNoDataValue=(Double)paramMap.get("String_Node_Str");
    if (extNoDataValue != null && !textAreaKeyListener.isChangedByUser()) {
      externalDEMNoDataValue.setText(String.valueOf(extNoDataValue));
    }
  }
  isSARSimTC=(Boolean)paramMap.get("String_Node_Str");
  if (isSARSimTC == null)   isSARSimTC=true;
  if (!isSARSimTC) {
    reGridMethod=(Boolean)paramMap.get("String_Node_Str");
    reGridMethodCheckBox.setSelected(reGridMethod);
    orbitMethod=(Boolean)paramMap.get("String_Node_Str");
    orbitMethodCheckBox.setSelected(orbitMethod);
    saveDEM=(Boolean)paramMap.get("String_Node_Str");
    saveDEMCheckBox.setSelected(saveDEM);
    saveZeroHeightSimulation=(Boolean)paramMap.get("String_Node_Str");
    saveZeroHeightSimulationCheckBox.setSelected(saveZeroHeightSimulation);
    saveLocalIncidenceAngle=(Boolean)paramMap.get("String_Node_Str");
    saveLocalIncidenceAngleCheckBox.setSelected(saveLocalIncidenceAngle);
  }
  saveLayoverShadowMask=(Boolean)paramMap.get("String_Node_Str");
  if (saveLayoverShadowMask != null) {
    saveLayoverShadowMaskCheckBox.setSelected(saveLayoverShadowMask);
  }
  enableExtraOptions(!isSARSimTC);
}