What to do about Eclipse's "No repository found containing: ..." error messages?

Question

Quick answer

Go to Help → Install new software → Here uncheck “Contact all update sites during install to find required software”

Eclipse will prompt that the content isn't authorized or something like that. just ignore and continue. then everything will be OK.

At least this trick resolved my problems similar like this:

An error occurred while collecting items to be installed session context was:(profile=epp.package.jee, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=). No repository found containing: osgi.bundle,org.eclipse.emf,2.6.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.ant,2.7.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.codegen,2.8.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.codegen.ecore,2.8.1.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.codegen.ecore.ui,2.8.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.codegen.ui,2.6.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.common,2.8.0.v20120911-0500 No repository found containing: osgi.bundle,org.eclipse.emf.common.ui,2.7.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.converter,2.5.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.databinding,1.2.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.databinding.edit,1.2.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.ecore,2.8.1.v20120911-0500 No repository found containing: osgi.bundle,org.eclipse.emf.ecore.change,2.8.0.v20120911-0500 No repository found containing: osgi.bundle,org.eclipse.emf.ecore.change.edit,2.5.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.ecore.edit,2.8.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.ecore.editor,2.8.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.ecore.xmi,2.8.0.v20120911-0500 No repository found containing: osgi.bundle,org.eclipse.emf.edit,2.8.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.edit.ui,2.8.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.exporter,2.6.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.importer,2.7.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.importer.ecore,2.6.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.importer.java,2.6.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.importer.rose,2.6.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.mapping,2.7.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.mapping.ecore,2.6.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.mapping.ecore.editor,2.6.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.mapping.ecore2ecore,2.7.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.mapping.ecore2ecore.editor,2.5.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.mapping.ecore2xml,2.7.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.mapping.ecore2xml.ui,2.6.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.emf.mapping.ui,2.6.0.v20120917-0436 No repository found containing: osgi.bundle,org.eclipse.wst.common.project.facet.core,1.4.300.v201111030424 No repository found containing: osgi.bundle,org.eclipse.wst.common.project.facet.ui,1.4.300.v201111030424 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.codegen.ecore,2.8.1.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.codegen.ecore.ui,2.8.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.codegen,2.8.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.codegen.ui,2.7.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.common,2.8.0.v20120911-0500 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.common.ui,2.7.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.converter,2.8.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.databinding.edit,1.2.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.databinding,1.2.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.ecore.edit,2.8.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.ecore.editor,2.8.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.ecore,2.8.1.v20120911-0500 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.edit,2.8.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.edit.ui,2.8.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf,2.8.1.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.mapping.ecore.editor,2.7.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.mapping.ecore,2.7.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.mapping,2.7.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.emf.mapping.ui,2.7.0.v20120917-0436 No repository found containing: org.eclipse.update.feature,org.eclipse.wst.common.fproj,3.4.0.v201202292300-377F8N8s735555393B7B

Thanks to Fredrik for pointing to the original bug in Eclipse. A comment by Richard Shu there describes several available solutions:

1. As Mauro said: "you have to remove and re-add the Eclipse Project Update site, so that its metadata are re-calculated." - works as workaround

2. Another workaround I found, is to edit the pre-defined URL link by adding just a trailing “/” to the update site URL.

3. The third workaround I discoverd accidentaly is to do nothing, but to uncheck the 'Contact all update sites during install to find required software' before checking the URL link.

Option #2 worked for me. I went to Window > Preferences > Install/Update > Available Software Sites, then for each enabled site I added a / to the end of the URL (if it wasn't there already), then clicked Reload.

What you most likely has encountered is a bug in Eclipse.

Luckily the solution is simple enough, remove the update site and install it again.

Me helped the following solution:

1. Go to Help->Software Updates, then select the Available Software tab and click the Manage Sites button
2. Use the Export button to export the sites to a bookmarks.xml file
3. Open the bookmarks.xml file in your favorite text editor, and add a trailing “/” to any of the site urls which are missing the “/” or remove on the end. Save the changes.
4. Back in the Manage Sites window within Eclipse, select all of the sites and click the Remove button
5. Now, click Import and load in the edited bookmarks.xml file

It was taken from this link Devon Hillard's Digital Sanctuary