An error occurred while collecting items to be installed
session context was:(profile=epp.package.jee, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
No repository found containing: osgi.bundle,org.apache.commons.io,2.4.0
干嘛在线安装，下载相应文件放到eclipse相应文件夹下面。能不在线更新的绝不在线更新