JBPM5.4安装报Eclipse下载地址找不到

JBPM5.4安装报Eclipse下载地址找不到：
http://download.eclipse.org/technology/epp/downloads/release/helios/SR2/eclipse-java-helios-SR2-win32.zip

将安装目录下面的build。xml文件中的下载eclipse地址改为：
http://archive.eclipse.org/technology/epp/downloads/release/helios/SR2/eclipse-java-helios-SR2-win32.zip
下载地址；