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http://jira.codehaus.org/browse/MNG-4236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=183143#action_183143
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John Casey commented on MNG-4236:
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The difference between httpclient and what the sun HttpURLConnection does seems
to be that sun's impl caches authentication and preemptively sends the
Authorization header after the first challenge happens. This means that the
first transfer happens twice, to trigger the authentication challenge, and then
subsequent transfers happen once only with preemptive auth.
We need to look into a way to cache the fact of an auth challenge so we know to
authenticate preemptively in the httpclient-driven wagon.
> [regression] http wagon uploads files twice with Maven 2.2.0 when preemptive
> auth is disabled (default setting)
> ---------------------------------------------------------------------------------------------------------------
>
> Key: MNG-4236
> URL: http://jira.codehaus.org/browse/MNG-4236
> Project: Maven 2
> Issue Type: Bug
> Components: Artifacts and Repositories
> Affects Versions: 2.2.0
> Reporter: John Casey
> Priority: Blocker
> Fix For: 2.2.1
>
>
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