Bug 56543 [preferences] Switching to Java Editor preference page shows error for a short time
3.0 M8 Switching to Text Editor preference page shows error for a short time
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorPreferencePage.java
public void widgetDefaultSelected(SelectionEvent e) {
				
			}
			public void widgetSelected(SelectionEvent e) {
				int i= fContentAssistColorList.getSelectionIndex();
				String key= fContentAssistColorListModel[i][1];
				
				PreferenceConverter.setValue(fOverlayStore, key, fContentAssistColorEditor.getColorValue());
			}
		});
		return contentAssistComposite;
	}
	private void addCompletionRadioButtons(Composite contentAssistComposite) {
		Composite completionComposite= new Composite(contentAssistComposite, SWT.NONE);
		GridData ccgd= new GridData();
		ccgd.horizontalSpan= 2;
		completionComposite.setLayoutData(ccgd);
		GridLayout ccgl= new GridLayout();
		ccgl.marginWidth= 0;
		ccgl.numColumns= 2;
		completionComposite.setLayout(ccgl);
		
		SelectionListener completionSelectionListener= new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {				
				boolean insert= fCompletionInsertsRadioButton.getSelection();
				fOverlayStore.setValue(PreferenceConstants.CODEASSIST_INSERT_COMPLETION, insert);
			}
		};
		
		fCompletionInsertsRadioButton= new Button(completionComposite, SWT.RADIO | SWT.LEFT);