"HTTP Proxy Authentication Required" error when updating / installing JBDS plugins behind a proxy

Solution Verified - Updated -


  • Unable to check for updates or install new software using update sites when JBDS is running behind a proxy server.
  • Update sites not working (accessing via proxy)
  • Getting error "HTTP Proxy Authentication Required: https://devstudio.redhat.com/9.0/stable/updates/content.xml" when updating JBDS plugins.
  • How do I setup '-Dorg.eclipse.ecf.provider.filetransfer.excludeContributors' parameter to disable Apache httpclient in JBDS 9 ?
  • When we run JBDS behind a NTLMv2 proxy server, we're unable to update JBDS plugins.


  • JBoss Developer Studio (JBDS)
    • 9

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