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https://issues.apache.org/jira/browse/MNG-7789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17725229#comment-17725229
 ] 

ASF GitHub Bot commented on MNG-7789:
-------------------------------------

cstamas commented on code in PR #1115:
URL: https://github.com/apache/maven/pull/1115#discussion_r1201583518


##########
maven-core/src/main/java/org/apache/maven/plugin/internal/MavenArtifactsMavenPluginDescriptorDependenciesValidator.java:
##########
@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.maven.plugin.internal;
+
+import javax.inject.Inject;
+import javax.inject.Named;
+import javax.inject.Singleton;
+
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import org.apache.maven.execution.MavenSession;
+import org.apache.maven.plugin.PluginValidationManager;
+import org.apache.maven.plugin.descriptor.MojoDescriptor;
+
+/**
+ * Detects presence of unwanted Maven3 artifacts in plugin descriptor, 
possibly caused by multitude of reasons, among
+ * them is "wrong scope" dependency declaration as well.
+ * <p>
+ * Historically, this class was named as "MavenScopeDependenciesValidator" due 
original intent to check "wrong Maven
+ * Artifact scopes". Since then, it turned out that the values validated (the 
plugin descriptor dependencies, that is
+ * produced at plugin build time by maven-plugin-plugin) may be off (for 
example due maven-plugin-plugin bug), and
+ * is potentially not inline with "reality" (actual plugin dependencies).
+ * <p>
+ * The original intent related check is moved to
+ * {@link 
DefaultPluginDependenciesResolver#resolve(org.apache.maven.model.Plugin, 
java.util.List, org.eclipse.aether.RepositorySystemSession)}
+ * method instead.
+ *
+ * @since 3.9.3
+ */
+@Singleton
+@Named
+class MavenArtifactsMavenPluginDescriptorDependenciesValidator
+        extends AbstractMavenPluginDescriptorDependenciesValidator {
+
+    @Inject
+    
MavenArtifactsMavenPluginDescriptorDependenciesValidator(PluginValidationManager
 pluginValidationManager) {
+        super(pluginValidationManager);
+    }
+
+    @Override
+    protected void doValidate(MavenSession mavenSession, MojoDescriptor 
mojoDescriptor) {
+        Set<String> mavenArtifacts = 
mojoDescriptor.getPluginDescriptor().getDependencies().stream()
+                .filter(d -> "org.apache.maven".equals(d.getGroupId()))
+                .filter(d -> 
!DefaultPluginValidationManager.EXPECTED_PROVIDED_SCOPE_EXCLUSIONS_GA.contains(
+                        d.getGroupId() + ":" + d.getArtifactId()))
+                .filter(d -> d.getVersion().startsWith("3."))
+                .map(d -> d.getGroupId() + ":" + d.getArtifactId() + ":" + 
d.getVersion())
+                .collect(Collectors.toSet());
+
+        if (!mavenArtifacts.isEmpty()) {
+            pluginValidationManager.reportPluginValidationIssue(
+                    mavenSession,
+                    mojoDescriptor,
+                    "Plugin descriptor should not contain these Maven 
artifacts: " + mavenArtifacts);

Review Comment:
   This class (that uses plugin descriptor / dependencies) is about to be 
removed. 





> Plugin Dependency Validations use wrong data set
> ------------------------------------------------
>
>                 Key: MNG-7789
>                 URL: https://issues.apache.org/jira/browse/MNG-7789
>             Project: Maven
>          Issue Type: Improvement
>          Components: Plugins and Lifecycle
>    Affects Versions: 3.9.2
>            Reporter: Tamas Cservenak
>            Assignee: Tamas Cservenak
>            Priority: Major
>             Fix For: 3.9.3, 4.0.0-alpha-6, 4.0.0
>
>
> They all use pluginDescriptor/dependencies, that are NOT used to calculate 
> plugin dependencies, POM is. Except for one new check (the one added in 
> MNG-7786) the others should be refactored to use POM instead.



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