在基于eclipse-jee-galileo-win32安装完gwt(http://dl.google.com/eclipse/plugin/3.5),jbpm gpd 后安装SpringOne for Eclipse(http://dist.springframework.org/release/IDE)时出现错误：

Cannot complete the install because one or more required items could not be found.
  Software being installed: Spring IDE AJDT Integration (optional) 2.2.7.200910202224-RELEASE (org.springframework.ide.eclipse.ajdt.feature.feature.group 2.2.7.200910202224-RELEASE)
  Missing requirement: Spring IDE AOP Visualiser UI 2.2.7.200910202224-RELEASE (org.springframework.ide.eclipse.ajdt.ui.visualiser 2.2.7.200910202224-RELEASE) requires ‘package org.eclipse.contribution.visualiser.jdtImpl 0.0.0′ but it could not be found
  Cannot satisfy dependency:  From: Spring IDE AJDT Integration (optional) 2.2.7.200910202224-RELEASE (org.springframework.ide.eclipse.ajdt.feature.feature.group 2.2.7.200910202224-RELEASE)
    To: org.springframework.ide.eclipse.ajdt.ui.visualiser [2.2.7.200910202224-RELEASE]

解决办法如下：

————————————————-
先安装http://ftp.wh2.tu-dresden.de/pub/mirrors/eclipse/tools/ajdt/35/dev/update
然后再安装spring。

转自:http://cyhcheng.javaeye.com/blog/507929