android配置时,点击eclipse里Window->Preferences里的android选项出错解决方案

android配置时,点击eclipse里Window->Preferences里的android选项出错
我的Eclipse是从官网上新下载安装的:
  Eclipse Java EE IDE for Web Developers.
  Version: Indigo Service Release 2
  Build id: 20120216-1857

  JDK是java version "1.5.0_06"

  然后从 eclipse上的help->install new software 联网安装adt,都能成功
  再进入eclipse里Window->Preferences里,点击android时,就报错:
An error has occurred when creating this preference page.
弹出一个Problem occurred的错误提示框:
Unable to create the selected preference page.
Bad version number in .class file

  ErrorLog里:
  org.eclipse.core.runtime.CoreException: Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.welcome.AdtStartup.
at ......

Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file
at ... 11 more

  是JDK版本的原因吗,有遇到的么?HELP

------解决方案--------------------
adt 还需要指定 android sdk的安装位置,
我的异常网推荐解决方案:org.eclipse.core.runtime.CoreException,http://www..net/eclipse/org.eclipse.core.runtime.CoreException.html