elharo commented on code in PR #11615:
URL: https://github.com/apache/maven/pull/11615#discussion_r2684196950


##########
impl/maven-impl/src/main/java/org/apache/maven/impl/DefaultDependencyResolver.java:
##########
@@ -174,7 +174,8 @@ public DependencyResolverResult collect(@Nonnull 
DependencyResolverRequest reque
                         session.getNode(result.getRoot(), 
request.getVerbose()),
                         0);
             } catch (DependencyCollectionException e) {
-                throw new DependencyResolverException("Unable to collect 
dependencies", e);
+                String enhancedMessage = enhanceCollectionError(e, 
collectRequest);
+                throw new DependencyResolverException(enhancedMessage, e);

Review Comment:
   I think this is fine as is



##########
impl/maven-impl/src/main/java/org/apache/maven/impl/DefaultDependencyResolver.java:
##########
@@ -274,4 +275,59 @@ public DependencyResolverResult 
resolve(DependencyResolverRequest request)
     private static DependencyResolverException cannotReadModuleInfo(final Path 
path, final IOException cause) {
         return new DependencyResolverException("Cannot read module information 
of " + path, cause);
     }
+
+    private static boolean containsUnresolvedExpression(String value) {
+        return value != null && value.contains("${") && value.contains("}");
+    }
+
+    private static String enhanceCollectionError(DependencyCollectionException 
e, CollectRequest request) {
+        if (e.getMessage() != null && e.getMessage().contains("Invalid Collect 
Request")) {
+            StringBuilder enhanced = new StringBuilder();
+            enhanced.append("Failed to collect dependencies");
+
+            org.eclipse.aether.graph.Dependency root = request.getRoot();
+            if (root != null && root.getArtifact() != null) {

Review Comment:
   ternary operators are harder to read



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