[jira] [Created] (MNG-7417) DefaultArtifactDescriptorReader does set properties properly for ModelBuildingRequest

["Michael Osipov (Jira)" <ji...@apache.org>]

Michael Osipov created MNG-7417:
-----------------------------------

             Summary: DefaultArtifactDescriptorReader does set properties properly for ModelBuildingRequest
                 Key: MNG-7417
                 URL: https://issues.apache.org/jira/browse/MNG-7417
             Project: Maven
          Issue Type: Bug
          Components: Artifacts and Repositories, Inheritance and Interpolation
    Affects Versions: 3.8.4
            Reporter: Michael Osipov
            Assignee: Michael Osipov
             Fix For: 4.0.x-candidate, 3.8.x-candidate


When Resolver needs to resolve a transitive dependency it consults Maven Resolver Provider to create data. Here the properties of the repository system session are not properly passed with their respective scopes down to the model building request. When a POM now needs needs to be interpolated, the interpolation can fail.
For long time Maven, unfortunately, promoted user properties to system properties making the available everywhere (expect this to be cleaned up in Maven 4). A prime example where this is broken: {{DefaultModelVersionProcessor}} uses for some strange reason system properties although CI Friendly Versions are user properties only. Fixing this component with:
{noformat}
--- a/maven-model-builder/src/main/java/org/apache/maven/model/interpolation/DefaultModelVersionProcessor.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/interpolation/DefaultModelVersionProcessor.java
@@ -52,17 +52,17 @@ public boolean isValidProperty( String property )
     @Override
     public void overwriteModelProperties( Properties modelProperties, ModelBuildingRequest request )
     {
-        if ( request.getSystemProperties().containsKey( REVISION_PROPERTY ) )
+        if ( request.getUserProperties().containsKey( REVISION_PROPERTY ) )
         {
-            modelProperties.put( REVISION_PROPERTY, request.getSystemProperties().get( REVISION_PROPERTY ) );
+            modelProperties.put( REVISION_PROPERTY, request.getUserProperties().get( REVISION_PROPERTY ) );
         }
-        if ( request.getSystemProperties().containsKey( CHANGELIST_PROPERTY ) )
+        if ( request.getUserProperties().containsKey( CHANGELIST_PROPERTY ) )
         {
-            modelProperties.put( CHANGELIST_PROPERTY, request.getSystemProperties().get( CHANGELIST_PROPERTY ) );
+            modelProperties.put( CHANGELIST_PROPERTY, request.getUserProperties().get( CHANGELIST_PROPERTY ) );
         }
-        if ( request.getSystemProperties().containsKey( SHA1_PROPERTY ) )
+        if ( request.getUserProperties().containsKey( SHA1_PROPERTY ) )
         {
-            modelProperties.put( SHA1_PROPERTY, request.getSystemProperties().get( SHA1_PROPERTY ) );
+            modelProperties.put( SHA1_PROPERTY, request.getUserProperties().get( SHA1_PROPERTY ) );
         }

     }
{noformat}
and running ITs makes several of them fail:
{noformat}
...
mng6090 CIFriendly.itShouldResolveTheDependenciesWithBuildConsumer() FAILURE (10.4 s)
mng6090 CIFriendly.itShouldResolveTheDependenciesWithoutBuildConsumer() FAILURE (1.2 s)
...
mng5895 CIFriendlyUsageWithProperty.itShouldResolveTheDependenciesWithBuildConsumer() FAILURE (0.5 s)
mng5895 CIFriendlyUsageWithProperty.itShouldResolveTheDependenciesWithoutBuildConsumer() FAILURE (0.5 s)
...
{noformat}

The reason is simple:
{code:java}
                modelRequest.setSystemProperties( toProperties( session.getUserProperties(),
                                                                session.getSystemProperties() ) );
{code}
Properties from user are not available. The are likely other usecases affected by this bug.

Yet another problem is that plugins which resolve dependencies, e.g., MASSEMBLY will also fail even if this bug is fixed since they rely on an old version of the Maven Resolver Provider and don't use provided scope to use the fixed one from Maven Core. This is a separate problem to be solved.



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