Program: 60447
Project: 60447
Buggy source:
public void toggleWithContent(final AjaxRequestTarget target,final ActionsPanel<T> actionsPanel,final T modelObject){
  final String header;
  if (modelObject == null) {
    header=new ResourceModel("String_Node_Str",StringUtils.EMPTY).getObject();
  }
 else   if (modelObject instanceof UserTO) {
    header=((UserTO)modelObject).getUsername();
  }
 else   if (modelObject instanceof GroupTO) {
    header=((GroupTO)modelObject).getName();
  }
 else   if (modelObject instanceof ReportTO) {
    header=((ReportTO)modelObject).getName();
  }
 else   if (modelObject instanceof AnyObjectTO) {
    header=((AnyObjectTO)modelObject).getName();
  }
 else   if (modelObject instanceof AttrTO) {
    header=((AttrTO)modelObject).getSchema();
  }
 else   if (modelObject instanceof AbstractPolicyTO) {
    header=((AbstractPolicyTO)modelObject).getDescription();
  }
 else   if (modelObject instanceof SecurityQuestionTO) {
    header=((SecurityQuestionTO)modelObject).getContent();
  }
 else   if (modelObject instanceof AccessTokenTO) {
    header=((AccessTokenTO)modelObject).getOwner();
  }
 else   if (modelObject instanceof ExecTO) {
    header=((ExecTO)modelObject).getKey();
  }
 else   if (modelObject instanceof WorkflowDefinitionTO) {
    header=((WorkflowDefinitionTO)modelObject).getName();
  }
 else   if (modelObject instanceof EntityTO) {
    header=((EntityTO)modelObject).getKey();
  }
 else   if (modelObject instanceof StatusBean) {
    header=((StatusBean)modelObject).getResourceName();
  }
 else   if (modelObject instanceof PolicyRuleWrapper) {
    header=((PolicyRuleWrapper)modelObject).getName();
  }
 else   if (modelObject instanceof PolicyRuleWrapper) {
    header=((PolicyRuleWrapper)modelObject).getName();
  }
 else   if (modelObject instanceof ReportletWrapper) {
    header=((ReportletWrapper)modelObject).getName();
  }
 else   if (modelObject instanceof JobTO) {
    header=((JobTO)modelObject).getRefKey() == null ? ((JobTO)modelObject).getRefDesc() : ((JobTO)modelObject).getRefKey();
  }
 else {
    header=new ResourceModel("String_Node_Str",StringUtils.EMPTY).getObject();
  }
  setHeader(target,StringUtils.abbreviate(header,25));
  modal.setWindowClosedCallback(new ModalWindow.WindowClosedCallback(){
    private static final long serialVersionUID=8804221891699487139L;
    @Override public void onClose(    final AjaxRequestTarget target){
      modal.show(false);
    }
  }
);
  final Fragment frag=new Fragment("String_Node_Str","String_Node_Str",this);
  frag.setOutputMarkupId(true);
  frag.add(actionsPanel);
  container.addOrReplace(frag);
  target.add(this.container);
  this.toggle(target,true);
}

Fixed version (ground truth):
public void toggleWithContent(final AjaxRequestTarget target,final ActionsPanel<T> actionsPanel,final T modelObject){
  final String header;
  if (modelObject == null) {
    header=new ResourceModel("String_Node_Str",StringUtils.EMPTY).getObject();
  }
 else   if (modelObject instanceof UserTO) {
    header=((UserTO)modelObject).getUsername();
  }
 else   if (modelObject instanceof GroupTO) {
    header=((GroupTO)modelObject).getName();
  }
 else   if (modelObject instanceof ReportTO) {
    header=((ReportTO)modelObject).getName();
  }
 else   if (modelObject instanceof AnyObjectTO) {
    header=((AnyObjectTO)modelObject).getName();
  }
 else   if (modelObject instanceof AttrTO) {
    header=((AttrTO)modelObject).getSchema();
  }
 else   if (modelObject instanceof AbstractPolicyTO) {
    header=((AbstractPolicyTO)modelObject).getDescription();
  }
 else   if (modelObject instanceof SecurityQuestionTO) {
    header=((SecurityQuestionTO)modelObject).getContent();
  }
 else   if (modelObject instanceof AccessTokenTO) {
    header=((AccessTokenTO)modelObject).getOwner();
  }
 else   if (modelObject instanceof ExecTO) {
    header=((ExecTO)modelObject).getKey();
  }
 else   if (modelObject instanceof WorkflowDefinitionTO) {
    header=((WorkflowDefinitionTO)modelObject).getName();
  }
 else   if (modelObject instanceof SchedTaskTO) {
    header=((SchedTaskTO)modelObject).getName();
  }
 else   if (modelObject instanceof WorkflowFormTO) {
    header=((WorkflowFormTO)modelObject).getKey();
  }
 else   if (modelObject instanceof EntityTO) {
    header=((EntityTO)modelObject).getKey();
  }
 else   if (modelObject instanceof StatusBean) {
    header=((StatusBean)modelObject).getResourceName();
  }
 else   if (modelObject instanceof PolicyRuleWrapper) {
    header=((PolicyRuleWrapper)modelObject).getName();
  }
 else   if (modelObject instanceof PolicyRuleWrapper) {
    header=((PolicyRuleWrapper)modelObject).getName();
  }
 else   if (modelObject instanceof ReportletWrapper) {
    header=((ReportletWrapper)modelObject).getName();
  }
 else   if (modelObject instanceof JobTO) {
    header=((JobTO)modelObject).getRefKey() == null ? ((JobTO)modelObject).getRefDesc() : ((JobTO)modelObject).getRefKey();
  }
 else {
    header=new ResourceModel("String_Node_Str",StringUtils.EMPTY).getObject();
  }
  setHeader(target,StringUtils.abbreviate(header,25));
  modal.setWindowClosedCallback(new ModalWindow.WindowClosedCallback(){
    private static final long serialVersionUID=8804221891699487139L;
    @Override public void onClose(    final AjaxRequestTarget target){
      modal.show(false);
    }
  }
);
  final Fragment frag=new Fragment("String_Node_Str","String_Node_Str",this);
  frag.setOutputMarkupId(true);
  frag.add(actionsPanel);
  container.addOrReplace(frag);
  target.add(this.container);
  this.toggle(target,true);
}