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https://issues.apache.org/jira/browse/MNG-7561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17616334#comment-17616334
 ] 

ASF GitHub Bot commented on MNG-7561:
-------------------------------------

kwin commented on code in PR #823:
URL: https://github.com/apache/maven/pull/823#discussion_r993263931


##########
maven-resolver-provider/src/main/java/org/apache/maven/repository/internal/DefaultVersionRangeResolver.java:
##########
@@ -111,28 +111,36 @@ public VersionRangeResult resolveVersionRange( 
RepositorySystemSession session,
         }
         else
         {
-            Map<String, ArtifactRepository> versionIndex = getVersions( 
session, result, request );
-
-            List<Version> versions = new ArrayList<>();
-            for ( Map.Entry<String, ArtifactRepository> v : 
versionIndex.entrySet() )
+            if ( Objects.equals( versionConstraint.getRange().getLowerBound(), 
+                                 versionConstraint.getRange().getUpperBound() 
) )
+            {
+                result.addVersion( 
versionConstraint.getRange().getLowerBound().getVersion() );

Review Comment:
   why is this shortcut allowed for recommended versions (soft-references)?





> DefaultVersionRangeResolver should not try to resolve request with same upper 
> and lower bound
> ---------------------------------------------------------------------------------------------
>
>                 Key: MNG-7561
>                 URL: https://issues.apache.org/jira/browse/MNG-7561
>             Project: Maven
>          Issue Type: Improvement
>          Components: Artifacts and Repositories
>            Reporter: Konrad Windszus
>            Assignee: Konrad Windszus
>            Priority: Major
>
> For dependencies having e.g. version {{[1.0]}} the 
> DefaultVersionRangeResolver still tries to resolve versions although only a 
> single version (namely 1.0) is valid here according to 
> https://maven.apache.org/pom.html#Dependency_Version_Requirement_Specification.
>  
> This leads in the worst case to long-running calls against a remote 
> repository for no reason.
> There should be a shortcut in 
> https://github.com/apache/maven/blob/3f90e7028e0338c110aea267b44362653d55273a/maven-resolver-provider/src/main/java/org/apache/maven/repository/internal/DefaultVersionRangeResolver.java#L108
>  when the range has the same upper and lower bound.



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