Memory leak

[cHyn]

Hi.

I have a memory leak in my application. It's leaks for about 2Mb per minute.
Can somebody give some advice how I can avoid this?

Here is a test case:

SmartClient Version: 8.1/LGPL Development Only (built 2010-06-19)
GWT 2.0.3
Windows XP SP3 IE7/8

public class TestCase implements EntryPoint {

	private class Fetcher extends Timer {
		private ListGrid grid;

		public Fetcher(ListGrid grid) {
			this.grid = grid;
		}

		public void run() {
			grid.invalidateCache();
		}
	}

	private void test() {
		;//NOP
	}

	public void onModuleLoad() {
		final ListGrid grid = new ListGrid();
		RestDataSource tableDataSource = new RestDataSource();
		tableDataSource.setDataURL(Configuration.webService + "TestData");
		tableDataSource.setDataFormat(DSDataFormat.JSON);

		OperationBinding fetch = new OperationBinding();
		fetch.setOperationType(DSOperationType.FETCH);
		fetch.setDataProtocol(DSProtocol.POSTMESSAGE);
		tableDataSource.setOperationBindings(fetch);
		
		DSRequest request = new DSRequest();
		request.setUseSimpleHttp(true);
		tableDataSource.setRequestProperties(request);

		tableDataSource.addField(new DataSourceTextField("Col0"));
		tableDataSource.addField(new DataSourceTextField("Col1"));
		tableDataSource.addField(new DataSourceTextField("Col2"));
		tableDataSource.addField(new DataSourceTextField("Col3"));
		tableDataSource.addField(new DataSourceTextField("Col4"));
		grid.setDataSource(tableDataSource);

		grid.setAutoFetchData(true);
		grid.setShowRollOver(false);
		grid.setWidth100();
		grid.setHeight100();

		grid.addDataArrivedHandler(new DataArrivedHandler() {
			public void onDataArrived(DataArrivedEvent event) {
				test();
			}
		});

		VLayout layout = new VLayout();
		layout.setHeight100();
		layout.setWidth100();
		layout.addMember(grid);

		Canvas screen = new Canvas();
		screen.setHeight100();
		screen.setWidth100();
		screen.addChild(layout);
		screen.draw();

		Fetcher fetcher = new Fetcher(grid);
		fetcher.scheduleRepeating(2000);
	}
}

Without DataArrivedHandler it's not leaking...

Thanks, and sorry for my english =)

[cHyn]

Please, somebody.

[cHyn]

I don't understand, no one has memory leaks?

I tryed the same with SmartGWT 2.2 release and, unfortunately, I have the same leaks...

What I'm doing wrong?

I would be glad to any advice.