1) run some query in criteria editor - get result in Hibernate Query Result view;
2) click on header of Hibernate Query Result view;
3) click on "Query Size" in Properties view - get exception:
Unhandled event loop exception:

org.eclipse.core.runtime.AssertionFailedException: assertion failed:
at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110)
at org.eclipse.core.runtime.Assert.isTrue(Assert.java:96)
at org.eclipse.jface.viewers.TextCellEditor.doSetValue(TextCellEditor.java:228)
at org.eclipse.jface.viewers.CellEditor.setValue(CellEditor.java:855)
at org.eclipse.ui.views.properties.PropertySheetEntry.getEditor(PropertySheetEntry.java:384)
at org.eclipse.ui.views.properties.PropertySheetViewer.activateCellEditor(PropertySheetViewer.java:163)
at org.eclipse.ui.views.properties.PropertySheetViewer.handleSelect(PropertySheetViewer.java:727)
at org.eclipse.ui.views.properties.PropertySheetViewer.access$8(PropertySheetViewer.java:707)
at org.eclipse.ui.views.properties.PropertySheetViewer$6.mouseDown(PropertySheetViewer.java:816)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:179)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3880)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)
...