[jira] [Assigned] (MRESOLVER-627) Improve handling and logging around transport selection

["Tamas Cservenak (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MRESOLVER-627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tamas Cservenak reassigned MRESOLVER-627:
-----------------------------------------

    Assignee: Tamas Cservenak

> Improve handling and logging around transport selection
> -------------------------------------------------------
>
>                 Key: MRESOLVER-627
>                 URL: https://issues.apache.org/jira/browse/MRESOLVER-627
>             Project: Maven Resolver
>          Issue Type: Improvement
>          Components: Resolver
>    Affects Versions: 2.0.3
>            Reporter: Tamas Cservenak
>            Assignee: Tamas Cservenak
>            Priority: Major
>             Fix For: 2.0.4
>
>
> Currently what transport is being used by Resolver is fully black box.
> Examples:
> * configure Maven 4 that by default would use JDK transport, create {{.mvn/maven.config}} file with contents {{-Daether.transport.jdk.httpVersion=HTTP_1_2}} (intentional typo). What happens: Maven 4 will work but use Apache Transport.
> * configure Maven 4 to use S3 transport but do not provide auth config. What happens? Dependending on config, either some other transport will be selected (and fail), or Resolver will tell "no available transport", which is untrue.
> * even in Maven -X resolver reports only what is to be used, but not why some transport was ignored/skipped (see case 1: jdk transport bad config)
> In both cases, Resolver config is bad, but:
> * it is not reported anywhere
> * in fact, it is silently ignored and Resolver continues like nothing happened



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