安装m2eclipse遇到问题

问题描述如下：
An error occurred while collecting items to be installed
session context was:(profile=epp.package.jee, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
No repository found containing: osgi.bundle,org.eclipse.draw2d,3.6.1.v20100913-2020
No repository found containing: org.eclipse.update.feature,org.eclipse.draw2d,3.6.1.v20100908-1100-4507w31211A2403131
No repository found containing: osgi.bundle,org.eclipse.emf,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.ant,2.6.1.v20100905-1631
No repository found containing: osgi.bundle,org.eclipse.emf.codegen,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.codegen.ecore,2.6.1.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.codegen.ecore.ui,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.codegen.ui,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.common,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.common.ui,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.converter,2.5.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.databinding,1.2.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.databinding.edit,1.2.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.ecore,2.6.1.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.ecore.change,2.5.1.v20100907-1643
No repository found containing: osgi.bundle,org.eclipse.emf.ecore.edit,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.ecore.editor,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.edit,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.edit.ui,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.mapping,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.mapping.ecore,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.mapping.ecore.editor,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.emf.mapping.ui,2.6.0.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.gef,3.6.1.v20100712-1224
No repository found containing: org.eclipse.update.feature,org.eclipse.gef,3.6.1.v20100908-1100-777B181A3Bz-6B663E7974242
No repository found containing: osgi.bundle,org.eclipse.xsd,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.codegen.ecore,2.6.1.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.codegen.ecore.ui,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.codegen.ecore.ui_root,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.codegen.ecore_root,2.6.1.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.codegen,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.codegen.ui,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.codegen.ui_root,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.codegen_root,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.common,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.common.ui,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.common.ui_root,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.common_root,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.converter,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.converter_root,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.databinding.edit,1.2.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.databinding.edit_root,1.2.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.databinding,1.2.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.databinding_root,1.2.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.ecore.edit,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.ecore.edit_root,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.ecore.editor,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.ecore.editor_root,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.ecore,2.6.1.v20100914-1218
No repository found containing: binary,org.eclipse.emf.ecore_root,2.6.1.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.edit,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.edit.ui,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.edit.ui_root,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.edit_root,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf,2.6.1.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.mapping.ecore.editor,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.mapping.ecore.editor_root,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.mapping.ecore,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.mapping.ecore_root,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.mapping,2.6.0.v20100914-1218
No repository found containing: org.eclipse.update.feature,org.eclipse.emf.mapping.ui,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.mapping.ui_root,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf.mapping_root,2.6.0.v20100914-1218
No repository found containing: binary,org.eclipse.emf_root,2.6.1.v20100914-1218
No repository found containing: osgi.bundle,org.eclipse.zest.core,1.2.0.v20100525-1225
No repository found containing: osgi.bundle,org.eclipse.zest.layouts,1.1.0.v20100616-1515