SectionItem events

Hi, I have the problem, that SectionItems are not sending out any events.

SmartGWT 2.2 nightly from 18.05.

Example:
SectionItem section = new SectionItem();
section.setDefaultValue(“”);
section.addClickHandler(new ClickHandler() {

		public void onClick(ClickEvent event)
		{
			if(section.isExpanded())
			{
				System.err.println("expanded");
			}
			else
				System.err.println("collapsed");
		}
	});
	section.addChangedHandler(new ChangedHandler() {

		public void onChanged(ChangedEvent event)
		{
			System.err.println("section changed");
		}
	});
	section.addChangeHandler(new ChangeHandler() {

		public void onChange(ChangeEvent event)
		{
			System.err.println("section changes");
		}
	});
	section.addIconClickHandler(new IconClickHandler() {

		public void onIconClick(IconClickEvent event)
		{
			System.err.println("icon");

		}
	});
	section.addTitleHoverHandler(new TitleHoverHandler() {

		public void onTitleHover(TitleHoverEvent event)
		{
			System.err.println("hover");
		}
	});
	section.addItemHoverHandler(new ItemHoverHandler() {

		public void onItemHover(ItemHoverEvent event)
		{
			System.err.println("item");
		}
	});

The SectionItem shows correctly and behaves correctly, however it does not send any events upon collapse/uncollapse

no one an idea?

same problem !