请帮忙！如何处理以下问题？从氧气安装Git时-http://download.eclipse.org/releases/oxygen/ 收集要安装的项目时发生错误 会话上下文为：
(profile=DefaultProfile,
phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
No repository found containing: osgi.bundle,com.github.jsqlparser,1.1.0
No repository found containing: osgi.bundle,org.apache.commons.cli,1.3.1
No repository found containing:
org.eclipse.update.feature,org.jkiss.dbeaver.ce.feature,5.0.0...