在eclipse里面安装ADT时出错，请各位大侠帮忙，看下怎么修改才能成功安装ADT,谢谢
An error occurred while collecting items to be installed
session context was:(profile=SDKProfile, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
No repository found containing: osgi.bundle,javax.xml,1.3.4.v201005080400
No repository found containing: osgi.bundle,org.apache.lucene.highlighter,2.9.1.v20100421-0704
No repository found containing: osgi.bundle,org.apache.lucene.memory,2.9.1.v20100421-0704
No repository found containing: osgi.bundle,org.apache.lucene.misc,2.9.1.v20100421-0704
No repository found containing: osgi.bundle,org.apache.lucene.queries,2.9.1.v20100421-0704
No repository found containing: osgi.bundle,org.apache.lucene.snowball,2.9.1.v20100421-0704
No repository found containing: osgi.bundle,org.apache.lucene.spellchecker,2.9.1.v20100421-0704
No repository found containing: osgi.bundle,org.apache.xerces,2.9.0.v201101211617
No repository found containing: osgi.bundle,org.apache.xml.resolver,1.2.0.v201005080400
No repository found containing: osgi.bundle,org.apache.xml.serializer,2.7.1.v201005080400
No repository found containing: osgi.bundle,org.eclipse.draw2d,3.7.0.v20110425-2050
No repository found containing: osgi.bundle,org.eclipse.emf.common,2.7.0.v20110605-0747
No repository found containing: osgi.bundle,org.eclipse.emf.ecore,2.7.0.v20110605-0747
No repository found containing: osgi.bundle,org.eclipse.emf.ecore.change,2.7.0.v20110408-2116
No repository found containing: osgi.bundle,org.eclipse.emf.ecore.xmi,2.7.0.v20110520-1406
No repository found containing: osgi.bundle,org.eclipse.emf.edit,2.7.0.v20110606-0949
No repository found containing: osgi.bundle,org.eclipse.gef,3.7.0.v20110407-2050
No repository found containing: osgi.bundle,org.eclipse.jem.util,2.1.100.v201103021400
No repository found containing: osgi.bundle,org.eclipse.wst.common.core,1.2.0.v200908252030
No repository found containing: osgi.bundle,org.eclipse.wst.common.emf,1.2.100.v201101101900
No repository found containing: osgi.bundle,org.eclipse.wst.common.emfworkbench.integration,1.2.100.v201011172300
No repository found containing: osgi.bundle,org.eclipse.wst.common.environment,1.0.400.v200912181832
No repository found containing: osgi.bundle,org.eclipse.wst.common.frameworks,1.2.100.v201105122000
No repository found containing: osgi.bundle,org.eclipse.wst.common.project.facet.core,1.4.200.v201103170332
No repository found containing: osgi.bundle,org.eclipse.wst.common.ui,1.1.500.v200911190730
No repository found containing: osgi.bundle,org.eclipse.wst.common.uriresolver,1.1.401.v201004280700
No repository found containing: osgi.bundle,org.eclipse.wst.sse.core,1.1.600.v201105162116
No repository found containing: osgi.bundle,org.eclipse.wst.sse.ui,1.3.0.v201105101529
No repository found containing: osgi.bundle,org.eclipse.wst.validation,1.2.300.v201104190230
No repository found containing: osgi.bundle,org.eclipse.wst.xml.core,1.1.600.v201104251227
No repository found containing: osgi.bundle,org.eclipse.wst.xml.ui,1.1.200.v201105111835