报错:
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.apache.commons.io,2.4.0
解决方法:
Go to Help → Install new software → Here uncheck “Contact all update sites during install to find required software”