Program: 128252
Project: 128252
Buggy source:
@Override public void preWindowOpen(){
  PerspectiveReviewUtil.setPerspectiveTabsBarSize();
  IWorkbenchWindowConfigurer configurer=getWindowConfigurer();
  configurer.setInitialSize(new Point(1000,750));
  configurer.setShowCoolBar(true);
  configurer.setShowStatusLine(true);
  configurer.setShowProgressIndicator(true);
  configurer.setShowPerspectiveBar(true);
  configurer.configureEditorAreaDropListener(new EditorAreaDropAdapter(configurer.getWindow()));
  RepositoryContext repositoryContext=(RepositoryContext)CorePlugin.getContext().getProperty(Context.REPOSITORY_CONTEXT_KEY);
  Project project=repositoryContext.getProject();
  Object buildId=VersionUtils.getVersion();
  IBrandingService service=(IBrandingService)GlobalServiceRegister.getDefault().getService(IBrandingService.class);
  IBrandingConfiguration brandingConfiguration=service.getBrandingConfiguration();
  String appName=service.getFullProductName();
  PreferenceManipulator prefManipulator=new PreferenceManipulator(CorePlugin.getDefault().getPreferenceStore());
  ProxyRepositoryFactory factory=ProxyRepositoryFactory.getInstance();
  boolean localProvider=false;
  try {
    localProvider=factory.isLocalConnectionProvider();
  }
 catch (  PersistenceException e) {
    e.printStackTrace();
  }
  if (localProvider) {
    configurer.setTitle(appName + "String_Node_Str" + buildId+ "String_Node_Str"+ project.getLabel()+ "String_Node_Str"+ Messages.getString("String_Node_Str")+ "String_Node_Str"+ prefManipulator.getLastConnection()+ "String_Node_Str");
  }
 else {
    configurer.setTitle(appName + "String_Node_Str" + buildId+ "String_Node_Str"+ repositoryContext.getUser()+ "String_Node_Str"+ project.getLabel()+ "String_Node_Str"+ Messages.getString("String_Node_Str")+ "String_Node_Str"+ prefManipulator.getLastConnection()+ "String_Node_Str");
  }
  ActionBarBuildHelper helper=(ActionBarBuildHelper)brandingConfiguration.getHelper();
  if (helper == null) {
    helper=new ActionBarBuildHelper();
    brandingConfiguration.setHelper(helper);
  }
  helper.preWindowOpen(configurer);
  if (GlobalServiceRegister.getDefault().isServiceRegistered(ITDQRepositoryService.class)) {
    ITDQRepositoryService tdqRepositoryService=(ITDQRepositoryService)GlobalServiceRegister.getDefault().getService(ITDQRepositoryService.class);
    if (tdqRepositoryService != null) {
      tdqRepositoryService.initProxyRepository();
    }
  }
}

Fixed version (ground truth):
@Override public void preWindowOpen(){
  PerspectiveReviewUtil.setPerspectiveTabsBarSize();
  IWorkbenchWindowConfigurer configurer=getWindowConfigurer();
  configurer.setInitialSize(new Point(1000,750));
  configurer.setShowCoolBar(true);
  configurer.setShowStatusLine(true);
  configurer.setShowProgressIndicator(true);
  configurer.setShowPerspectiveBar(true);
  configurer.configureEditorAreaDropListener(new EditorAreaDropAdapter(configurer.getWindow()));
  RepositoryContext repositoryContext=(RepositoryContext)CorePlugin.getContext().getProperty(Context.REPOSITORY_CONTEXT_KEY);
  Project project=repositoryContext.getProject();
  Object buildId=VersionUtils.getVersion();
  IBrandingService service=(IBrandingService)GlobalServiceRegister.getDefault().getService(IBrandingService.class);
  IBrandingConfiguration brandingConfiguration=service.getBrandingConfiguration();
  String appName=service.getFullProductName();
  PreferenceManipulator prefManipulator=new PreferenceManipulator(CorePlugin.getDefault().getPreferenceStore());
  ProxyRepositoryFactory factory=ProxyRepositoryFactory.getInstance();
  boolean localProvider=false;
  try {
    localProvider=factory.isLocalConnectionProvider();
  }
 catch (  PersistenceException e) {
    e.printStackTrace();
  }
  if (localProvider) {
    configurer.setTitle(appName + "String_Node_Str" + buildId+ "String_Node_Str"+ project.getLabel()+ "String_Node_Str"+ Messages.getString("String_Node_Str")+ "String_Node_Str"+ ConnectionUserPerReader.getInstance().readLastConncetion()+ "String_Node_Str");
  }
 else {
    configurer.setTitle(appName + "String_Node_Str" + buildId+ "String_Node_Str"+ repositoryContext.getUser()+ "String_Node_Str"+ project.getLabel()+ "String_Node_Str"+ Messages.getString("String_Node_Str")+ "String_Node_Str"+ ConnectionUserPerReader.getInstance().readLastConncetion()+ "String_Node_Str");
  }
  ActionBarBuildHelper helper=(ActionBarBuildHelper)brandingConfiguration.getHelper();
  if (helper == null) {
    helper=new ActionBarBuildHelper();
    brandingConfiguration.setHelper(helper);
  }
  helper.preWindowOpen(configurer);
  if (GlobalServiceRegister.getDefault().isServiceRegistered(ITDQRepositoryService.class)) {
    ITDQRepositoryService tdqRepositoryService=(ITDQRepositoryService)GlobalServiceRegister.getDefault().getService(ITDQRepositoryService.class);
    if (tdqRepositoryService != null) {
      tdqRepositoryService.initProxyRepository();
    }
  }
}