title: unable to proceed installing ecobertura Eclilpse plugin
body: <p>I am using Eclipse-lunar and tried to install ecobertura through <a href="http://ecobertura.johoop.de/update" rel="nofollow noreferrer">http://ecobertura.johoop.de/update</a></p>
  
  <p>An error occurred while collecting items to be installed
  session context was:</p>
  
  <blockquote>
    <p>(profile=epp.package.jee,
    phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=,
    action=). </p>
  </blockquote>
  
  <p>No repository found containing:</p>
  
  <blockquote>
    <p>osgi.bundle,org.eclipse.mylyn.bugzilla.core,3.23.1.v20170623-0008 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.bugzilla.ide,3.23.0.v20170411-2108 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.bugzilla.ui,3.23.1.v20170623-0008 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.core,3.23.0.v20170411-1844 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.identity.core,1.15.0.v20170411-1844
    No repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.net,3.23.0.v20170411-1844 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.notifications.core,1.15.0.v20170411-1844
    No repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.notifications.feed,1.15.0.v20170411-1844
    No repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.notifications.ui,1.15.0.v20170411-1844
    No repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.repositories.core,1.15.0.v20170411-1844
    No repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.repositories.ui,1.15.0.v20170411-1844
    No repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.screenshots,3.23.0.v20170411-1844
    No repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.ui,3.23.0.v20170411-1844 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.workbench,3.23.0.v20170503-0014
    No repository found containing:
    osgi.bundle,org.eclipse.mylyn.commons.xmlrpc,3.23.0.v20170411-1844 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.context.core,3.23.0.v20170411-2108 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.context.tasks.ui,3.23.0.v20170411-2108
    No repository found containing:
    osgi.bundle,org.eclipse.mylyn.context.ui,3.23.0.v20170414-0629 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.debug.ui,3.23.0.v20170411-2108 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.discovery.core,3.23.0.v20170411-1844 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.discovery.ui,3.23.0.v20170411-1844 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.help.ui,3.23.1.v20170623-0008 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.ide.ant,3.23.0.v20170411-2108 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.ide.ui,3.23.0.v20170411-2108 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.java.tasks,3.23.0.v20170411-2108 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.java.ui,3.23.0.v20170411-2108 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.monitor.core,3.23.0.v20170411-1844 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.monitor.ui,3.23.0.v20170411-1844 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.resources.ui,3.23.0.v20170411-2108 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.tasks.bugs,3.23.1.v20170623-0008 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.tasks.core,3.23.1.v20170623-0008 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.tasks.index.core,3.23.1.v20170623-0008
    No repository found containing:
    osgi.bundle,org.eclipse.mylyn.tasks.index.ui,3.23.1.v20170623-0008 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.tasks.search,3.23.1.v20170623-0008 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.tasks.ui,3.23.1.v20170623-0008 No
    repository found containing:
    osgi.bundle,org.eclipse.mylyn.team.ui,3.23.0.v20170411-2108 No
    repository found containing:
    osgi.bundle,com.google.guava,21.0.0.v20170206-1425 No repository found
    containing:
    osgi.bundle,org.apache.lucene.analyzers-common,6.1.0.v20161115-1612 No
    repository found containing:
    osgi.bundle,org.apache.lucene.core,6.1.0.v20161115-1612 No repository
    found containing:
    osgi.bundle,org.apache.lucene.queryparser,6.1.0.v20161115-1612 No
    repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.bugzilla_feature,3.23.1.v20170623-0008
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.commons,3.23.0.v20170503-0014
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.commons.identity,1.15.0.v20170411-1844
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.commons.notifications,1.15.0.v20170411-1844
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.commons.repositories,1.15.0.v20170411-1844
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.context_feature,3.23.0.v20170414-0629
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.discovery,3.23.0.v20170411-1844
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.ide_feature,3.23.0.v20170411-2108
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.java_feature,3.23.0.v20170411-2108
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.monitor,3.23.0.v20170411-1844
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.tasks.ide,3.23.1.v20170623-0008
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn.team_feature,3.23.0.v20170411-2108
    No repository found containing:
    org.eclipse.update.feature,org.eclipse.mylyn_feature,3.23.1.v20170623-0008</p>
  </blockquote>