cstamas commented on code in PR #1611:
URL: https://github.com/apache/maven/pull/1611#discussion_r1673952590


##########
maven-resolver-provider/src/main/java/org/apache/maven/repository/internal/PluginsMetadataGenerator.java:
##########
@@ -135,14 +136,34 @@ private PluginInfo extractPluginInfo(Artifact artifact) {
                             String artifactId = 
root.getChild("artifactId").getValue();
                             String goalPrefix = 
root.getChild("goalPrefix").getValue();
                             String name = root.getChild("name").getValue();
-                            return new PluginInfo(groupId, artifactId, 
goalPrefix, name);
+                            // sanity check: plugin descriptor extracted from 
artifact must have same GA
+                            if (Objects.equals(artifact.getGroupId(), groupId)
+                                    && 
Objects.equals(artifact.getArtifactId(), artifactId)) {
+                                return new PluginInfo(groupId, artifactId, 
goalPrefix, name);
+                            } else {
+                                throw new 
InvalidArtifactPluginMetadataException(
+                                        "Artifact " + artifact.getGroupId() + 
":"
+                                                + artifact.getArtifactId()
+                                                + " JAR (to be 
installed/deployed) contains Maven Plugin metadata for plugin "
+                                                + groupId + ":" + artifactId + 
"; coordinates are conflicting. "
+                                                + "Most probably your JAR 
contains rogue Maven Plugin metadata, "
+                                                + "possible causes may be: 
shaded in Maven Plugin or some rogue resource)");
+                            }
                         }
                     }
+                } catch (RuntimeException e) {

Review Comment:
   IAPMEx? But lets have NPE and other fail the build as well, as below it is 
in comment, IOEx, PlexusXMLEx etc are and were swallowed.



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