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Jean-Marc Borer commented on MNG-4228: -------------------------------------- > General recommendation to all HttpClient users is to not use NTLM That is no acceptable! We work in companies where they impose proxies that use such authentication scheme. We have no influence at all on this choice. I would really be sorry to be obliged to drop maven because of connection issues that seem not impossible to fix... > 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: NTLMV21.RAR, 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