我尝试按照此处的说明从 Luna 升级到火星:https ://wiki.eclipse.org/FAQ_How_do_I_upgrade_Eclipse%3F
我将 Mars 存储库http://download.eclipse.org/releases/mars添加为更新站点,然后检查更新。但我得到了例外
An error occurred while collecting items to be installed
session context was:(profile=epp.package.java, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
No repository found containing: osgi.bundle,org.eclipse.epp.package.java,4.5.0.20150603-1639
No repository found containing: binary,epp.package.java.executable.gtk.linux.x86_64,4.5.0.20150603-1639
No repository found containing: org.eclipse.update.feature,org.eclipse.epp.package.common.feature,4.5.0.20150603-1639
No repository found containing: org.eclipse.update.feature,org.eclipse.epp.package.java.feature,4.5.0.20150603-1639
我怎样才能解决这个问题?