Didier Loiseau created MRESOLVER-602:
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Summary: Documentation for aether.priority.<class> has disappeared
Key: MRESOLVER-602
URL: https://issues.apache.org/jira/browse/MRESOLVER-602
Project: Maven Resolver
Issue Type: Bug
Components: Resolver
Affects Versions: 2.0.1
Reporter: Didier Loiseau
Property {{aether.priority.<class>}} is not documented any more [in v2.0.1 of
the
documentation|https://maven.apache.org/resolver-archives/resolver-2.0.1/configuration.html],
but it was [in version
1.9|https://maven.apache.org/resolver-archives/resolver-1.9.22/configuration.html].
This change appears to be coming from commit
[7318c95|https://github.com/apache/maven-resolver/commit/7318c95ae28df9a49d962a1a2c748d628f512ae2]
which has regenerated the documentation (according to commit message).
Note that the previous documentation was not very good already, since it did
not give any pointers to what are the possible {{<class>}} values, nor what
kind of values it expects:
{quote}The priority to use for a certain extension class. {{class}} can either
be the fully qualified name or the simple name stands for fully qualified class
name. If the class name ends with {{Factory}} that suffix could optionally be
left out.
{quote}
For resolver 1.9, I found some possible values
[here|https://github.com/apache/maven/blob/a98d530e338b54dadefc45b37c40094a84d12ae7/maven-core/src/main/java/org/apache/maven/internal/aether/DefaultRepositorySystemSessionFactory.java#L111-L117],
more specifically {{WagonTransporterFactory}} has a default priority of -1 and
{{HttpTransporterFactory}} has 5 (more transporters are available in
maven-resolver 2.x). I also found that {{DefaultTransporterProvider}} will log
the used transporter class name when running maven with {{{}-X{}}}, using a
message like
{quote}Using transporter WagonTransporter with priority 1000.0
{quote}
Expected values appear to be float numbers.
I didn’t check if other properties are missing (I wouldn’t know if they are
still be relevant in 2.x anyway).
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