Classic error: Unable to update index for central|http://repo1.maven.org/maven2

Question

I am facing a situation where my eclipse indigo is \"Unable to update index for central|http://repo1.maven.org/maven2\".

I am using an external Maven 3.

Answer 1

From Wojtek's link.

1. Close Eclipse
2. Delete workspace_location/.metadata/.plugins/org.maven.ide.eclipse/nexus
3. Delete workspace_location/.metadata/.plugins/org.eclipse.m2e.core/nexus
4. Go to Window->Preferences->Maven and enable checkbox named “Download repository index updates on startup”.
5. OK and restart Eclipse.