Bug 82231 [build path] Hard to find type restriction compiler problem preferences
I20050104-1600 There compiler preference page contains a Warning/Error node with many sub-entries . I tried to find where I could change the 'warning' for the access of internal types to 'error'. No luck until I realized that the Build node also contains Warning/Error settings.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/BuildPathsBlock.java
newClassPath= getDefaultClassPath(jproject);
		}
		
		List exportedEntries = new ArrayList();
		for (int i= 0; i < newClassPath.size(); i++) {
			CPListElement curr= (CPListElement) newClassPath.get(i);
			if (curr.isExported() || curr.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
				exportedEntries.add(curr);
			}
		}
		
		
		fBuildPathDialogField.setText(outputLocation.makeRelative().toString());
		fBuildPathDialogField.enableButton(project.exists());
		fClassPathList.setElements(newClassPath);
		fClassPathList.setCheckedElements(exportedEntries);
		
		initializeTimeStamps();
		updateUI();
	}
	
	protected void updateUI() {
		if (fSWTWidget == null || fSWTWidget.isDisposed()) {
			return;
		}
		
		if (Display.getCurrent() != null) {
			doUpdateUI();
		} else {
			Display.getDefault().asyncExec(new Runnable() {