title: MarketplaceDiscoveryStrategy failed with an error Cannot complete request to https://marketplace
body: <p>I have installed Eclipse Version: Neon (4.6)Build id: I20160606-1100
  When I launch eclipse and try to go to Marketplace via Help -&gt; Eclipse Marketplace, I am getting the following error and hence unable to connect to marketplace server to download any plugins.</p>
  <p>Here is the error.</p>
  <p>MarketplaceDiscoveryStrategy failed with an error
  Cannot complete request to <a href="https://marketplace.eclipse.org/api/p?client=org.eclipse.epp.mpc.core&amp;client.version=1.5.4.v20170222-1921&amp;os=win32&amp;ws=win32&amp;nl=en_US&amp;java.version=1.8.0_181&amp;product=org.eclipse.sdk.ide&amp;product.version=4.6.0.I20160606-1100&amp;runtime.version=3.12.0.v20160606-1342&amp;platform.version=4.6.0.v20160606-1100" rel="nofollow noreferrer">https://marketplace.eclipse.org/api/p?client=org.eclipse.epp.mpc.core&amp;client.version=1.5.4.v20170222-1921&amp;os=win32&amp;ws=win32&amp;nl=en_US&amp;java.version=1.8.0_181&amp;product=org.eclipse.sdk.ide&amp;product.version=4.6.0.I20160606-1100&amp;runtime.version=3.12.0.v20160606-1342&amp;platform.version=4.6.0.v20160606-1100</a>: Unable to read repository at <a href="https://marketplace.eclipse.org/api/p?client=org.eclipse.epp.mpc.core&amp;client.version=1.5.4.v20170222-1921&amp;os=win32&amp;ws=win32&amp;nl=en_US&amp;java.version=1.8.0_181&amp;product=org.eclipse.sdk.ide&amp;product.version=4.6.0.I20160606-1100&amp;runtime.version=3.12.0.v20160606-1342&amp;platform.version=4.6.0.v20160606-1100" rel="nofollow noreferrer">https://marketplace.eclipse.org/api/p?client=org.eclipse.epp.mpc.core&amp;client.version=1.5.4.v20170222-1921&amp;os=win32&amp;ws=win32&amp;nl=en_US&amp;java.version=1.8.0_181&amp;product=org.eclipse.sdk.ide&amp;product.version=4.6.0.I20160606-1100&amp;runtime.version=3.12.0.v20160606-1342&amp;platform.version=4.6.0.v20160606-1100</a>.</p>
  <p>Can some help to resolve this issue.</p>