Bug 93567 ContextInformationPopup leaks CompletionEngines?
N20050503-0010 Yourkit memory snapshot N20050503-0010_1.5.0_20050503-1905.memory on my machine.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/GenericJavaTypeProposal.java
ui.setExitPosition(getTextViewer(), replacementOffset + replacementString.length(), 0, Integer.MAX_VALUE);
			ui.setDoContextInfo(true);
			ui.enter();
			fSelectedRegion= ui.getSelectedRegion();
		} catch (BadLocationException e) {
			JavaPlugin.log(e);
			openErrorDialog(e);
		}
	}
	private boolean hasAmbiguousProposals(TypeArgumentProposal[] typeArgumentProposals) {
		boolean hasAmbiguousProposals= false;
		for (int i= 0; i < typeArgumentProposals.length; i++) {
			if (typeArgumentProposals[i].isAmbiguous()) {
				hasAmbiguousProposals= true;
				break;
			}
		}
		return hasAmbiguousProposals;
	}
	/**
	 * Returns the currently active java editor, or <code>null</code> if it
	 * cannot be determined.
	 *
	 * @return  the currently active java editor, or <code>null</code>
	 */
	private JavaEditor getJavaEditor() {
		IEditorPart part= JavaPlugin.getActivePage().getActiveEditor();
		if (part instanceof JavaEditor)
			return (JavaEditor) part;
		else