我正在尝试在Android Bundled Eclipse中安装J2EE插件（从Android Developers Site下载）。我执行的步骤：

1）安装新软件中添加的http://download.eclipse.org/webtools/updates链接

2）选择了Web工具平台3.1.1

3）点击下一步。

4）在EclipseXML上取消选择（已安装包）

5）点击下一步。

最后得到了这个错误。

我得到这个错误。

Cannot complete the install because one or more required items could not be found.
  Software being installed: Dali Java Persistence Tools 
  2.2.1.v200908270220-7L7OALFBBoPR9QdeWV1je (org.eclipse.jpt.feature.feature.group    
  2.2.1.v200908270220-7L7OALFBBoPR9QdeWV1je) 
  Missing requirement: Dali Java Persistence Tools - DB UI 1.1.100.v200906070220 
  (org.eclipse.jpt.db.ui 1.1.100.v200906070220) requires 'bundle 
  org.eclipse.datatools.connectivity.ui [1.1.0,1.2.0)' but it could not be found
  Cannot satisfy dependency:
  From: Dali Java Persistence Tools 2.2.1.v200908270220-7L7OALFBBoPR9QdeWV1je 
  (org.eclipse.jpt.feature.feature.group 2.2.1.v200908270220-7L7OALFBBoPR9QdeWV1je)
   To: org.eclipse.jpt.db.ui [1.1.100.v200906070220]

请建议我如何在Android ADT中安装J2EE插件。请建议我是否可以安装任何插件，或者ADT Eclipse是否有其他URL安装插件。