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
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.ui.texteditor.AnnotationPreference;
import org.eclipse.ui.texteditor.ChainedPreferenceStore;
import org.eclipse.ui.texteditor.ExtendedTextEditorPreferenceConstants;
import org.eclipse.ui.texteditor.MarkerAnnotationPreferences;
import org.eclipse.ui.texteditor.PreferencesAdapter;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.ui.PreferenceConstants;
import org.eclipse.jdt.ui.text.JavaSourceViewerConfiguration;
import org.eclipse.jdt.ui.text.JavaTextTools;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
import org.eclipse.jdt.internal.ui.dialogs.StatusUtil;
import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility;
import org.eclipse.jdt.internal.ui.javaeditor.JavaSourceViewer;
import org.eclipse.jdt.internal.ui.text.IJavaPartitions;
import org.eclipse.jdt.internal.ui.util.TabFolderLayout;
/**
 * The page for setting the editor options.
 */
public class JavaEditorPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {