安装提示如下：
An error occurred while collecting items to be installed
session context was:(profile=epp.package.cpp, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
No repository found containing: osgi.bundle,org.eclipse.cdt.build.crossgcc,1.1.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.core,6.2.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.debug.ui.memory.floatingpoint,1.0.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.debug.ui.memory.memorybrowser,1.3.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.debug.ui.memory.search,1.3.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.debug.ui.memory.traditional,1.4.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.debug.ui.memory.transport,2.1.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.dsf,2.8.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.dsf.gdb,5.2.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.dsf.gdb.ui,2.6.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.dsf.ui,2.5.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.gdb,7.0.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.launch.remote,2.5.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.make.core,7.3.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.make.ui,7.3.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.managedbuilder.core,8.4.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.managedbuilder.gnu.ui,8.3.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.managedbuilder.ui,9.0.0.201704050430
No repository found containing: osgi.bundle,org.eclipse.cdt.ui,6.1.0.201704050430
No repository found containing: org.eclipse.update.feature,org.eclipse.cdt.build.crossgcc,9.2.1.201704050430
No repository found containing: org.eclipse.update.feature,org.eclipse.cdt.debug.ui.memory,9.2.1.201704050430
No repository found containing: org.eclipse.update.feature,org.eclipse.cdt.launch.remote,9.2.1.201704050430
No repository found containing: osgi.bundle,org.eclipse.tools.templates.core,1.1.0.201702141301
No repository found containing: osgi.bundle,org.eclipse.tools.templates.ui,1.1.1.201702141301
