What to do about Eclipse's “No repository found containing: …” error messages when install?
<p>Previously i am successfully download and install eclipse from eclipse installer,But unfortunately deleted eclipse folder.Now i try again to install same eclipse installer but that time display error meaasge:   </p>

<pre><code>[2016-03-02 11:45:26] Executing bootstrap tasks
    [2016-03-02 11:45:26] Product org.eclipse.products.epp.package.jee.mars
    [2016-03-02 11:45:26] Bundle org.eclipse.oomph.setup 1.3.0.v20160213-0953, build=2199, branch=7194e06d06a87ced95779121a8281b59b9abdf81, commit=7194e06d06a87ced95779121a8281b59b9abdf81
    [2016-03-02 11:45:26] Bundle org.eclipse.oomph.setup.core 1.3.0.v20160213-0953, build=2199, branch=7194e06d06a87ced95779121a8281b59b9abdf81, commit=7194e06d06a87ced95779121a8281b59b9abdf81
    [2016-03-02 11:45:26] Bundle org.eclipse.oomph.setup.p2 1.3.0.v20160213-0953, build=2199, branch=7194e06d06a87ced95779121a8281b59b9abdf81, commit=7194e06d06a87ced95779121a8281b59b9abdf81
    [2016-03-02 11:45:26] Performing P2 Director (Eclipse IDE for Java EE Developers (Mars))
    [2016-03-02 11:45:26] Offline = false
    [2016-03-02 11:45:26] Mirrors = true
    [2016-03-02 11:45:26] Resolving 6 requirements from 3 repositories to /home/ubuntu/jee-mars2/eclipse
    [2016-03-02 11:45:26] Requirement epp.package.jee [4.5.0,4.6.0)
    [2016-03-02 11:45:26] Requirement org.eclipse.platform.feature.group [4.5.0,4.6.0)
    [2016-03-02 11:45:26] Requirement org.eclipse.rcp.feature.group [4.5.0,4.6.0)
    [2016-03-02 11:45:26] Requirement org.eclipse.jdt.feature.group [3.11.0,3.12.0)
    [2016-03-02 11:45:26] Requirement org.eclipse.pde.feature.group [3.11.0,3.12.0)
    [2016-03-02 11:45:26] Requirement org.eclipse.oomph.setup.feature.group
    [2016-03-02 11:45:26] Repository http://download.eclipse.org/technology/epp/packages/mars
    [2016-03-02 11:45:26] Repository http://download.eclipse.org/releases/mars/201602261000
    [2016-03-02 11:45:26] Repository http://download.eclipse.org/oomph/updates/milestone/latest
    [2016-03-02 11:45:26] ERROR: org.eclipse.equinox.p2.transport.ecf code=1200 Artifact not found: http://download.eclipse.org/technology/epp/packages/mars/content.xml.xz.
    java.io.FileNotFoundException: http://download.eclipse.org/technology/epp/packages/mars/content.xml.xz
      at org.eclipse.equinox.internal.p2.transport.ecf.RepositoryStatusHelper.checkFileNotFound(RepositoryStatusHelper.java:297)
      at org.eclipse.equinox.internal.p2.transport.ecf.FileReader.checkException(FileReader.java:478)
      at org.eclipse.equinox.internal.p2.transport.ecf.FileReader.sendRetrieveRequest(FileReader.java:435)
      at org.eclipse.equinox.internal.p2.transport.ecf.FileReader.readInto(FileReader.java:358)
      at org.eclipse.equinox.internal.p2.transport.ecf.RepositoryTransport.download(RepositoryTransport.java:101)
      at org.eclipse.oomph.p2.internal.core.CachingTransport.download(CachingTransport.java:175)
      at org.eclipse.oomph.p2.internal.core.CachingTransport.download(CachingTransport.java:235)
      at org.eclipse.equinox.internal.p2.repository.CacheManager.updateCache(CacheManager.java:402)
      at org.eclipse.equinox.internal.p2.repository.CacheManager.createCacheFromFile(CacheManager.java:132)
      at org.eclipse.equinox.internal.p2.metadata.repository.XZedSimpleMetadataRepositoryFactory.getLocalFile(XZedSimpleMetadataRepositoryFactory.java:56)
      at org.eclipse.equinox.internal.p2.metadata.repository.XZedSimpleMetadataRepositoryFactory.load(XZedSimpleMetadataRepositoryFactory.java:78)
      at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.factoryLoad(MetadataRepositoryManager.java:57)
      at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:768)
      at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:606)
      at org.eclipse.oomph.util.ReflectUtil.invokeMethod(ReflectUtil.java:116)
      at org.eclipse.oomph.p2.internal.core.CachingRepositoryManager.loadRepository(CachingRepositoryManager.java:339)
      at org.eclipse.oomph.p2.internal.core.CachingRepositoryManager.loadRepository(CachingRepositoryManager.java:146)
      at org.eclipse.oomph.p2.internal.core.CachingRepositoryManager$Metadata.loadRepository(CachingRepositoryManager.java:389)
      at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:96)
      at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:92)
      at org.eclipse.oomph.p2.internal.core.ProfileTransactionImpl$RepositoryLoader$Worker.perform(ProfileTransactionImpl.java:1468)
      at org.eclipse.oomph.util.WorkerPool$Worker.run(WorkerPool.java:416)
      at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
</code></pre>