Program: 121122
Project: 121122
Buggy source:
/** 
 * Creates a new project resource with the selected name. <p> In normal usage, this method is invoked after the user has pressed Finish on the wizard; the enablement of the Finish button implies that all controls on the pages currently contain valid values. </p> <p> Note that this wizard caches the new project once it has been successfully created; subsequent invocations of this method will answer the same project resource without attempting to create it again. </p>
 * @return the created project resource, or <code>null</code> if the project was not created
 */
public IProject createNewProject(String directroy,String projectName,Shell shell){
  if (projDir.equals(directroy)) {
    return project;
  }
  final Shell currentShell=shell;
  final IProject newProjectHandle=ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
  if (newProjectHandle.getRawLocation() != null) {
    if (newProjectHandle.getRawLocation().equals(directroy)) {
      return newProjectHandle;
    }
 else {
      try {
        newProjectHandle.delete(false,true,null);
      }
 catch (      CoreException e) {
        org.talend.componentdesigner.exception.ExceptionHandler.process(e);
      }
    }
  }
  URI location=null;
  if (directroy == null || directroy.equals(PluginConstant.EMPTY_STRING)) {
    return null;
  }
 else {
    location=new File(directroy).toURI();
  }
  IWorkspace workspace=ResourcesPlugin.getWorkspace();
  final IProjectDescription description=workspace.newProjectDescription(newProjectHandle.getName());
  description.setLocationURI(location);
  IRunnableWithProgress op=new IRunnableWithProgress(){
    public void run(    IProgressMonitor monitor) throws InvocationTargetException {
      CreateProjectOperation op=new CreateProjectOperation(description,Messages.getString("String_Node_Str"));
      try {
        PlatformUI.getWorkbench().getOperationSupport().getOperationHistory().execute(op,monitor,WorkspaceUndoUtil.getUIInfoAdapter(currentShell));
      }
 catch (      ExecutionException e) {
        throw new InvocationTargetException(e);
      }
    }
  }
;
  try {
    ProgressUI.popProgressDialog(op,shell);
  }
 catch (  InterruptedException e) {
    return null;
  }
catch (  InvocationTargetException e) {
    Throwable t=e.getTargetException();
    if (t instanceof ExecutionException && t.getCause() instanceof CoreException) {
      CoreException cause=(CoreException)t.getCause();
      StatusAdapter status;
      if (cause.getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) {
        status=new StatusAdapter(new Status(IStatus.WARNING,ComponentDesigenerPlugin.PLUGIN_ID,IStatus.WARNING,Messages.getString("String_Node_Str",newProjectHandle.getName()),cause));
      }
 else {
        status=new StatusAdapter(new Status(cause.getStatus().getSeverity(),ComponentDesigenerPlugin.PLUGIN_ID,cause.getStatus().getSeverity(),Messages.getString("String_Node_Str"),cause));
      }
      status.setProperty(StatusAdapter.TITLE_PROPERTY,Messages.getString("String_Node_Str"));
      StatusManager.getManager().handle(status,StatusManager.BLOCK);
    }
 else {
      StatusAdapter status=new StatusAdapter(new Status(IStatus.WARNING,ComponentDesigenerPlugin.PLUGIN_ID,0,Messages.getString("String_Node_Str",t.getMessage()),t));
      status.setProperty(StatusAdapter.TITLE_PROPERTY,Messages.getString("String_Node_Str"));
      StatusManager.getManager().handle(status,StatusManager.LOG | StatusManager.BLOCK);
    }
    return null;
  }
  project=newProjectHandle;
  return project;
}

Fixed version (ground truth):
/** 
 * Creates a new project resource with the selected name. <p> In normal usage, this method is invoked after the user has pressed Finish on the wizard; the enablement of the Finish button implies that all controls on the pages currently contain valid values. </p> <p> Note that this wizard caches the new project once it has been successfully created; subsequent invocations of this method will answer the same project resource without attempting to create it again. </p>
 * @return the created project resource, or <code>null</code> if the project was not created
 */
public IProject createNewProject(String directroy,String projectName,Shell shell){
  if (projDir.equals(directroy)) {
    return project;
  }
  final Shell currentShell=shell;
  final IProject newProjectHandle=ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
  if (newProjectHandle.getRawLocation() != null) {
    if (newProjectHandle.getRawLocation().equals(directroy)) {
      return newProjectHandle;
    }
 else {
      try {
        newProjectHandle.delete(false,true,null);
      }
 catch (      CoreException e) {
        org.talend.componentdesigner.exception.ExceptionHandler.process(e);
      }
    }
  }
  URI location=null;
  if (directroy == null || directroy.equals(PluginConstant.EMPTY_STRING)) {
    return null;
  }
 else {
    location=new File(directroy).toURI();
  }
  IWorkspace workspace=ResourcesPlugin.getWorkspace();
  final IProjectDescription description=workspace.newProjectDescription(newProjectHandle.getName());
  description.setLocationURI(location);
  IRunnableWithProgress op=new IRunnableWithProgress(){
    @Override public void run(    IProgressMonitor monitor) throws InvocationTargetException {
      CreateProjectOperation op=new CreateProjectOperation(description,Messages.getString("String_Node_Str"));
      try {
        PlatformUI.getWorkbench().getOperationSupport().getOperationHistory().execute(op,monitor,WorkspaceUndoUtil.getUIInfoAdapter(currentShell));
      }
 catch (      ExecutionException e) {
        throw new InvocationTargetException(e);
      }
    }
  }
;
  try {
    ProgressUI.popProgressDialog(op,shell);
  }
 catch (  InterruptedException e) {
    return null;
  }
catch (  InvocationTargetException e) {
    Throwable t=e.getTargetException();
    if (t instanceof ExecutionException && t.getCause() instanceof CoreException) {
      CoreException cause=(CoreException)t.getCause();
      StatusAdapter status;
      if (cause.getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) {
        status=new StatusAdapter(new Status(IStatus.WARNING,ComponentDesigenerPlugin.PLUGIN_ID,IStatus.WARNING,Messages.getString("String_Node_Str",newProjectHandle.getName()),cause));
      }
 else {
        status=new StatusAdapter(new Status(cause.getStatus().getSeverity(),ComponentDesigenerPlugin.PLUGIN_ID,cause.getStatus().getSeverity(),Messages.getString("String_Node_Str"),cause));
      }
      status.setProperty(StatusAdapter.TITLE_PROPERTY,Messages.getString("String_Node_Str"));
      StatusManager.getManager().handle(status,StatusManager.BLOCK);
    }
 else {
      StatusAdapter status=new StatusAdapter(new Status(IStatus.WARNING,ComponentDesigenerPlugin.PLUGIN_ID,0,Messages.getString("String_Node_Str",t.getMessage()),t));
      status.setProperty(StatusAdapter.TITLE_PROPERTY,Messages.getString("String_Node_Str"));
      StatusManager.getManager().handle(status,StatusManager.LOG | StatusManager.BLOCK);
    }
    return null;
  }
  project=newProjectHandle;
  return project;
}