Bug 329482 Uninstantiated part may be rendered when closing another part in the same stack
1. Activate the 'Javadoc' view. 2. Activate the 'Package Explorer' view. 3. Shutdown. 4. Restart. 5. Ctrl+3 > Properties 6. Hide the 'Properties' view. 7. Now the 'Problems' view is the selected element. It should be the 'Javadoc' view.
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/ui/internal/workbench/PartServiceImpl.java
return true;
		}
		if (confirm && saveHandler != null) {
			switch (saveHandler.promptToSave(part)) {
			case NO:
				return true;
			case CANCEL:
				return false;
			}
		}
		Object client = part.getObject();
		try {
			ContextInjectionFactory.invoke(client, Persist.class, part.getContext());
		} catch (InjectionException e) {
			Throwable throwable = e.getCause();
			if (throwable == null) {
				logger.error(e.getMessage());
			} else {
				logger.error(throwable);
			}
			return false;
		}
		return true;
	}
	public boolean saveAll(boolean confirm) {
		Collection<MPart> dirtyParts = getDirtyParts();
		if (dirtyParts.isEmpty()) {
			return true;
		}
		if (confirm && saveHandler != null) {