Gradle Eclipse Plugin Installation Issue

Hi I am trying to download Gradle Eclipse plugin. I have tried for Eclipse 4.4 (Luna), 4.3 (Kepler) and 4.2 (Juno) with appropriate Gradle versions. I get erros as follows : Could some help resolve the issue please.

I get errors like this : An error occurred while collecting items to be installed session context was:(profile=epp.package.standard, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=). Unable to read repository at http://download.springsource.com/release/TOOLS/gradle/3.6.1.RELEASE/plugins/org.springsource.ide.eclipse.gradle.toolingapi_3.6.1.201408250705-RELEASE.jar. Read timed out