更新Eclipse SDK错误

更新了我的SDK,现在它说我需要有我已经拥有的SDK。 当我检查更新,并尝试更新选项,我得到这个:

An error occurred while collecting items to be installed session context was:(profile=profile, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=). No repository found containing: osgi.bundle,com.android.ide.eclipse.adt,21.1.0.v201302060044-569685 No repository found containing: osgi.bundle,com.android.ide.eclipse.adt.package,21.1.0.v201302060044-569685 No repository found containing: osgi.bundle,com.android.ide.eclipse.base,21.1.0.v201302060044-569685 No repository found containing: osgi.bundle,com.android.ide.eclipse.ddms,21.1.0.v201302060044-569685 No repository found containing: osgi.bundle,com.android.ide.eclipse.gldebugger,21.1.0.v201302060044-569685 No repository found containing: osgi.bundle,com.android.ide.eclipse.hierarchyviewer,21.1.0.v201302060044-569685 No repository found containing: osgi.bundle,com.android.ide.eclipse.ndk,21.1.0.v201302060044-569685 No repository found containing: osgi.bundle,com.android.ide.eclipse.traceview,21.1.0.v201302060044-569685 No repository found containing: osgi.bundle,overlay.com.android.ide.eclipse.adt.overlay,21.1.0.v201302060044-569685 No repository found containing: org.eclipse.update.feature,com.android.ide.eclipse.adt,21.1.0.v201302060044-569685 No repository found containing: org.eclipse.update.feature,com.android.ide.eclipse.ddms,21.1.0.v201302060044-569685 No repository found containing: org.eclipse.update.feature,com.android.ide.eclipse.gldebugger,21.1.0.v201302060044-569685 No repository found containing: org.eclipse.update.feature,com.android.ide.eclipse.hierarchyviewer,21.1.0.v201302060044-569685 No repository found containing: org.eclipse.update.feature,com.android.ide.eclipse.ndk,21.1.0.v201302060044-569685 No repository found containing: org.eclipse.update.feature,com.android.ide.eclipse.traceview,21.1.0.v201302060044-569685 

任何想法修复? 我已经尝试了一切!

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