revert parallel download of maven depedencies

core/src/main/java/lucee/runtime/mvn/MavenUtil.java

@@ -115,6 +115,8 @@ public static List<POM> getDependencies(List<POMReader.Dependency> rawDependenci
 		List<POM> dependencies = new ArrayList<>();
 		List<POM> parentDendencyManagement = null;
 
+		ExecutorService executor = ThreadUtil.createExecutorService(Runtime.getRuntime().availableProcessors());
+
 		if (parent != null) {
 			parentDendencyManagement = current.getDependencyManagement();
 			List<POM> tmp = parent.getDependencies();
@@ -124,17 +126,13 @@ public static List<POM> getDependencies(List<POMReader.Dependency> rawDependenci
 				}
 			}
 		}
-		if (rawDependencies != null && rawDependencies.size() > 0) {
-
+		if (rawDependencies != null) {
 			List<Future<POM>> futures = new ArrayList<>();
-			final List<POM> pdm = parentDendencyManagement;
-			ExecutorService executor = ThreadUtil.createExecutorService(rawDependencies.size(), true);
 			for (POMReader.Dependency rd: rawDependencies) {
+				GAVSO gavso = getDependency(rd, parent, current, properties, parentDendencyManagement, management);
+				if (gavso == null) continue;
+
 				Future<POM> future = executor.submit(() -> {
-					GAVSO gavso = getDependency(rd, parent, current, properties, pdm, management);
-					if (gavso == null) {
-						return null; // Skip if no GAVSO is returned
-					}
 					POM p = POM.getInstance(localDirectory, current.getRepositories(), gavso.g, gavso.a, gavso.v, gavso.s, gavso.o, current.getDependencyScope(),
 							current.getDependencyScopeManagement(), log);
 					p.initXML();
@@ -144,17 +142,14 @@ public static List<POM> getDependencies(List<POMReader.Dependency> rawDependenci
 			}
 			try {
 				for (Future<POM> future: futures) {
-					POM dependency = future.get(); // Wait for init to complete
-					if (dependency != null) { // Only add non-null dependencies
-						dependencies.add(dependency);
-					}
+					dependencies.add(future.get()); // Wait for init to complete
 				}
 			}
 			catch (Exception e) {
 				throw ExceptionUtil.toIOException(e);
 			}
-			executor.shutdown();
 		}
+		executor.shutdown();
 		return dependencies;
 	}