Error why installing tern eclipse plugin in eclipse photon

[Pasupathi-Rajamanickam]

An error occurred while collecting items to be installed
Unable to read repository at http://oss.opensagres.fr/tern.repository/1.2.0/plugins/tern.eclipse.ide.server.nodejs.embed.macosx.cocoa.x86_64_1.2.0.201606160856.jar.
Premature end of Content-Length delimited message body (expected: 10452995; received: 392945
Unable to read repository at http://oss.opensagres.fr/tern.repository/1.2.0/plugins/ternjs_1.2.0.201606160856.jar.
Premature end of Content-Length delimited message body (expected: 15860636; received: 130801