Program: 60438
Project: 60438
Buggy source:
private WebMarkupContainer updateRealmContent(final RealmTO realmTO,final int selectedIndex){
  if (realmTO == null) {
    return content;
  }
  content.addOrReplace(new Realm("String_Node_Str",realmTO,Realms.this.getPageReference(),selectedIndex){
    private static final long serialVersionUID=8221398624379357183L;
    @Override protected void onClickTemplate(    final AjaxRequestTarget target){
      templates.setTargetObject(realmTO);
      templates.toggle(target,true);
    }
    @Override protected void setWindowClosedReloadCallback(    final BaseModal<?> modal){
      modal.setWindowClosedCallback(new ModalWindow.WindowClosedCallback(){
        private static final long serialVersionUID=8804221891699487139L;
        @Override public void onClose(        final AjaxRequestTarget target){
          target.add(realmChoicePanel.reloadRealmTree(target));
          if (modal.getContent() instanceof ResultPage) {
            updateRealmContent(RealmTO.class.cast(ResultPage.class.cast(modal.getContent()).getItem()),selectedIndex);
            target.add(content);
          }
          modal.show(false);
        }
      }
);
    }
    @Override protected void onClickCreate(    final AjaxRequestTarget target){
      this.wizardBuilder.setParentPath(realmChoicePanel.getCurrentRealm().getFullPath());
      send(this,Broadcast.EXACT,new AjaxWizard.NewItemActionEvent<RealmTO>(new RealmTO(),target){
        @Override public String getEventDescription(){
          return "String_Node_Str";
        }
      }
);
    }
    @Override protected void onClickEdit(    final AjaxRequestTarget target,    final RealmTO realmTO){
      this.wizardBuilder.setParentPath(realmTO.getFullPath());
      send(this,Broadcast.EXACT,new AjaxWizard.EditItemActionEvent<RealmTO>(realmTO,target){
        @Override public String getEventDescription(){
          return "String_Node_Str";
        }
      }
);
    }
    @Override protected void onClickDelete(    final AjaxRequestTarget target,    final RealmTO realmTO){
      try {
        if (realmTO.getKey() == null) {
          throw new Exception("String_Node_Str");
        }
        realmRestClient.delete(realmTO.getFullPath());
        RealmTO parent=realmChoicePanel.moveToParentRealm(realmTO.getKey());
        target.add(realmChoicePanel.reloadRealmTree(target));
        SyncopeConsoleSession.get().info(getString(Constants.OPERATION_SUCCEEDED));
        updateRealmContent(parent,selectedIndex);
        target.add(content);
      }
 catch (      Exception e) {
        LOG.error("String_Node_Str",e);
        SyncopeConsoleSession.get().error(e.getMessage().replace("String_Node_Str","String_Node_Str"));
      }
      ((BasePage)Realms.this.getPage()).getNotificationPanel().refresh(target);
    }
  }
);
  return content;
}

Fixed version (ground truth):
private WebMarkupContainer updateRealmContent(final RealmTO realmTO,final int selectedIndex){
  if (realmTO == null) {
    return content;
  }
  content.addOrReplace(new Realm("String_Node_Str",realmTO,Realms.this.getPageReference(),selectedIndex){
    private static final long serialVersionUID=8221398624379357183L;
    @Override protected void onClickTemplate(    final AjaxRequestTarget target){
      templates.setTargetObject(realmTO);
      templates.toggle(target,true);
    }
    @Override protected void setWindowClosedReloadCallback(    final BaseModal<?> modal){
      modal.setWindowClosedCallback(new ModalWindow.WindowClosedCallback(){
        private static final long serialVersionUID=8804221891699487139L;
        @Override public void onClose(        final AjaxRequestTarget target){
          target.add(realmChoicePanel.reloadRealmTree(target));
          if (modal.getContent() instanceof ResultPage) {
            Serializable result=ResultPage.class.cast(modal.getContent()).getResult();
            updateRealmContent(RealmTO.class.cast(ProvisioningResult.class.cast(result).getEntity()),selectedIndex);
            target.add(content);
          }
          modal.show(false);
        }
      }
);
    }
    @Override protected void onClickCreate(    final AjaxRequestTarget target){
      this.wizardBuilder.setParentPath(realmChoicePanel.getCurrentRealm().getFullPath());
      send(this,Broadcast.EXACT,new AjaxWizard.NewItemActionEvent<RealmTO>(new RealmTO(),target){
        @Override public String getEventDescription(){
          return "String_Node_Str";
        }
      }
);
    }
    @Override protected void onClickEdit(    final AjaxRequestTarget target,    final RealmTO realmTO){
      this.wizardBuilder.setParentPath(realmTO.getFullPath());
      send(this,Broadcast.EXACT,new AjaxWizard.EditItemActionEvent<RealmTO>(realmTO,target){
        @Override public String getEventDescription(){
          return "String_Node_Str";
        }
      }
);
    }
    @Override protected void onClickDelete(    final AjaxRequestTarget target,    final RealmTO realmTO){
      try {
        if (realmTO.getKey() == null) {
          throw new Exception("String_Node_Str");
        }
        realmRestClient.delete(realmTO.getFullPath());
        RealmTO parent=realmChoicePanel.moveToParentRealm(realmTO.getKey());
        target.add(realmChoicePanel.reloadRealmTree(target));
        SyncopeConsoleSession.get().info(getString(Constants.OPERATION_SUCCEEDED));
        updateRealmContent(parent,selectedIndex);
        target.add(content);
      }
 catch (      Exception e) {
        LOG.error("String_Node_Str",e);
        SyncopeConsoleSession.get().error(e.getMessage().replace("String_Node_Str","String_Node_Str"));
      }
      ((BasePage)Realms.this.getPage()).getNotificationPanel().refresh(target);
    }
  }
);
  return content;
}