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Jean-Marc Borer commented on MNG-4228: -------------------------------------- It seems we are using NTLMv1: artifactory 2.0.6 uses httpclient 3.x lib which implements NTLMv1. This works fine and authentication is successful. So not (yet) a NTLMv2 issue for me. Anyway maven 2.2.0 cannot access internet because of Authorization failed: Not authorized by proxy. I have used the patched lib provided by Konstantin at http://issues.apache.org/jira/browse/HTTPCLIENT-579. You can downloaded it at http://issues.apache.org/jira/secure/attachment/12410908/NTLMV21.RAR Then I have rewritten his example see my attached file. Simply drop it to the example dir build and run. Marco could you try the example to see if this works for you? > Authorization failed: Not authorized by proxy. > ---------------------------------------------- > > Key: MNG-4228 > URL: http://jira.codehaus.org/browse/MNG-4228 > Project: Maven 2 > Issue Type: Bug > Components: Artifacts and Repositories, Settings > Affects Versions: 2.2.0 > Environment: Windows XP, java version "1.6.0_04" > Reporter: Marco Noto > Priority: Blocker > Fix For: 2.2.1 > > Attachments: TestNTLMAuth.java > > > I can not access any external repository using the version 2.2.0. If I go > back to 2.1.0 everything works properly. > For example: > mvn -U eclipse:eclipse > [INFO] Scanning for projects... > [INFO] Searching repository for plugin with prefix: 'eclipse'. > [INFO] org.apache.maven.plugins: checking for updates from central > [WARNING] repository metadata for: 'org.apache.maven.plugins' could not be > retrieved from repository: central due > to an error: Authorization failed: Not authorized by proxy. > [INFO] Repository 'central' will be blacklisted -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.codehaus.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira