Program: 65596
Project: 65596
Buggy source:
/** 
 * The worker method. It will find the container, create the file if missing or just replace its contents, and open the editor on the newly created file.
 * @param cheatSheetId
 * @param containerName
 * @param fileName
 * @param showCheatSheet
 * @param monitor
 */
private void doFinish(IPath containerName,String fileName,final String templateFileName,final InputStream templateStream,String cheatSheetId,boolean showCheatSheet,boolean isUseDefaultLibrary,LibraryHandle library,IProgressMonitor monitor) throws CoreException {
  monitor.beginTask(CREATING + fileName,2);
  IResource resource=ResourcesPlugin.getWorkspace().getRoot().findMember(containerName);
  IContainer container=null;
  if (resource == null || !resource.exists() || !(resource instanceof IContainer)) {
    IFolder folder=createFolderHandle(containerName);
    UIUtil.createFolder(folder,monitor);
    container=folder;
  }
 else {
    container=(IContainer)resource;
  }
  final IFile file=container.getFile(new Path(fileName));
  final String cheatId=cheatSheetId;
  final boolean showCheat=showCheatSheet;
  try {
    ReportDesignHandle handle;
    if (templateStream == null) {
      handle=SessionHandleAdapter.getInstance().getSessionHandle().createDesignFromTemplate(templateFileName);
    }
 else {
      handle=SessionHandleAdapter.getInstance().getSessionHandle().createDesignFromTemplate(templateFileName,templateStream);
    }
    if (ReportPlugin.getDefault().getEnableCommentPreference(file.getProject())) {
      handle.setStringProperty(ModuleHandle.COMMENTS_PROP,ReportPlugin.getDefault().getCommentPreference(file.getProject()));
    }
    if (ReportPlugin.getDefault().getDefaultUnitPreference(file.getProject()) != null) {
      handle.setStringProperty(ModuleHandle.UNITS_PROP,ReportPlugin.getDefault().getDefaultUnitPreference(file.getProject()));
    }
    if (isPredifinedTemplate(templateFileName)) {
      handle.setDisplayName(null);
      handle.setDescription(null);
    }
    String bidiOrientation;
    if (templateChoicePage.isLTRDirection())     bidiOrientation=DesignChoiceConstants.BIDI_DIRECTION_LTR;
 else     bidiOrientation=DesignChoiceConstants.BIDI_DIRECTION_RTL;
    handle.setBidiOrientation(bidiOrientation);
    UIUtil.addCreateBy(handle);
    if (handle.getProperty(ReportDesignHandle.IMAGE_DPI_PROP) != null) {
      UIUtil.setDPI(handle);
    }
    if (isUseDefaultLibrary) {
      UIUtil.includeLibrary(handle,DEUtil.DEFAULT_LIBRARY,true);
    }
    handle.saveAs(file.getLocation().toOSString());
    handle.close();
  }
 catch (  Exception e) {
    ExceptionHandler.handle(e,true);
  }
  file.refreshLocal(IResource.DEPTH_INFINITE,monitor);
  monitor.worked(1);
  monitor.setTaskName(OPENING_FILE_FOR_EDITING);
  getShell().getDisplay().asyncExec(new Runnable(){
    public void run(){
      IWorkbench workbench=PlatformUI.getWorkbench();
      IWorkbenchWindow window=workbench.getActiveWorkbenchWindow();
      IWorkbenchPage page=window.getActivePage();
      try {
        IDE.openEditor(page,file,true);
        BasicNewProjectResourceWizard.updatePerspective(configElement);
        if (showCheat && !cheatId.equals("String_Node_Str")) {
          Object oldData=Display.getCurrent().getActiveShell().getData();
          if (oldData instanceof TrayDialog) {
            Display.getCurrent().getActiveShell().setData(null);
          }
          new OpenCheatSheetAction(cheatId).run();
        }
      }
 catch (      Exception e) {
        ExceptionUtil.handle(e);
      }
    }
  }
);
  monitor.worked(1);
}

Fixed version (ground truth):
/** 
 * The worker method. It will find the container, create the file if missing or just replace its contents, and open the editor on the newly created file.
 * @param cheatSheetId
 * @param containerName
 * @param fileName
 * @param showCheatSheet
 * @param monitor
 */
private void doFinish(IPath containerName,String fileName,final String templateFileName,final InputStream templateStream,String cheatSheetId,boolean showCheatSheet,boolean isUseDefaultLibrary,LibraryHandle library,IProgressMonitor monitor) throws CoreException {
  monitor.beginTask(CREATING + fileName,2);
  IResource resource=ResourcesPlugin.getWorkspace().getRoot().findMember(containerName);
  IContainer container=null;
  if (resource == null || !resource.exists() || !(resource instanceof IContainer)) {
    IFolder folder=createFolderHandle(containerName);
    UIUtil.createFolder(folder,monitor);
    container=folder;
  }
 else {
    container=(IContainer)resource;
  }
  final IFile file=container.getFile(new Path(fileName));
  final String cheatId=cheatSheetId;
  final boolean showCheat=showCheatSheet;
  try {
    ReportDesignHandle handle;
    if (templateStream == null) {
      handle=SessionHandleAdapter.getInstance().getSessionHandle().createDesignFromTemplate(templateFileName);
    }
 else {
      handle=SessionHandleAdapter.getInstance().getSessionHandle().createDesignFromTemplate(templateFileName,templateStream);
    }
    if (ReportPlugin.getDefault().getEnableCommentPreference(file.getProject())) {
      handle.setStringProperty(ModuleHandle.COMMENTS_PROP,ReportPlugin.getDefault().getCommentPreference(file.getProject()));
    }
    if (ReportPlugin.getDefault().getDefaultUnitPreference(file.getProject()) != null) {
      handle.setStringProperty(ModuleHandle.UNITS_PROP,ReportPlugin.getDefault().getDefaultUnitPreference(file.getProject()));
    }
    if (isPredifinedTemplate(templateFileName)) {
      handle.setDisplayName(null);
      handle.setDescription(null);
    }
    String bidiOrientation;
    if (templateChoicePage.isLTRDirection())     bidiOrientation=DesignChoiceConstants.BIDI_DIRECTION_LTR;
 else     bidiOrientation=DesignChoiceConstants.BIDI_DIRECTION_RTL;
    handle.setBidiOrientation(bidiOrientation);
    UIUtil.addCreateBy(handle);
    if (handle.getProperty(ReportDesignHandle.IMAGE_DPI_PROP) == null) {
      UIUtil.setDPI(handle);
    }
    if (isUseDefaultLibrary) {
      UIUtil.includeLibrary(handle,DEUtil.DEFAULT_LIBRARY,true);
    }
    handle.saveAs(file.getLocation().toOSString());
    handle.close();
  }
 catch (  Exception e) {
    ExceptionHandler.handle(e,true);
  }
  file.refreshLocal(IResource.DEPTH_INFINITE,monitor);
  monitor.worked(1);
  monitor.setTaskName(OPENING_FILE_FOR_EDITING);
  getShell().getDisplay().asyncExec(new Runnable(){
    public void run(){
      IWorkbench workbench=PlatformUI.getWorkbench();
      IWorkbenchWindow window=workbench.getActiveWorkbenchWindow();
      IWorkbenchPage page=window.getActivePage();
      try {
        IDE.openEditor(page,file,true);
        BasicNewProjectResourceWizard.updatePerspective(configElement);
        if (showCheat && !cheatId.equals("String_Node_Str")) {
          Object oldData=Display.getCurrent().getActiveShell().getData();
          if (oldData instanceof TrayDialog) {
            Display.getCurrent().getActiveShell().setData(null);
          }
          new OpenCheatSheetAction(cheatId).run();
        }
      }
 catch (      Exception e) {
        ExceptionUtil.handle(e);
      }
    }
  }
);
  monitor.worked(1);
}