An error occurred while collecting items to be installed
session context was:(profile=C__Users_Admin_eclipse_java-2021-06_eclipse, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
No artifact repository available.
noArtifactRepositoriesAvailable
你的Eclipse是什么版本，试下这个地址下载语言包：https://download.eclipse.org/technology/babel/update-site/R0.16.1/oxygen/
直接在eclipse中安装 然后重启 不要语言包