无法在eclipse中安装Maven插件

我正在尝试安装maven插件，以取代露娜。版本:露娜服务第1a版(4.4.1)

我遵循以下步骤，Help>Install新软件。

添加使用- http://download.eclipse.org/technology/m2e/releases的URL

选择了eclipse的所有maven集成。

然后单击next，接受许可协议并完成。

但在这件事发生后

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.eclipse.m2e.archetype.common,1.6.2.20150902-0001 No repository found containing: osgi.bundle,org.eclipse.m2e.core,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.core.ui,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.discovery,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.editor,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.editor.xml,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.jdt,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.jdt.ui,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.launching,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.lifecyclemapping.defaults,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.logback.appender,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.logback.configuration,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.maven.indexer,1.6.2.20150902-0001 No repository found containing: osgi.bundle,org.eclipse.m2e.maven.runtime,1.6.2.20150902-0001 No repository found containing: osgi.bundle,org.eclipse.m2e.maven.runtime.slf4j.simple,1.6.2.20150902-0001 No repository found containing: osgi.bundle,org.eclipse.m2e.model.edit,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.profiles.core,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.profiles.ui,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.refactoring,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.scm,1.6.2.20150902-0002 No repository found containing: org.eclipse.update.feature,org.eclipse.m2e.feature,1.6.2.20150902-0002 No repository found containing: org.eclipse.update.feature,org.eclipse.m2e.logback.feature,1.6.2.20150902-0002 No repository found containing: osgi.bundle,org.eclipse.m2e.workspace.cli,0.3.1

我已经安装了许多插件，如SVN、ant、testng等，但无法继续使用maven。也尝试与日蚀市场，但面临同样的错误。优雅的人都能帮忙。