From 51a3f1162e7a4c7c604895185ee9bb8c06a57b37 Mon Sep 17 00:00:00 2001
From: "Erik C. Thauvin" <erik@thauvin.net>
Date: Fri, 14 Nov 2025 13:42:37 -0800
Subject: [PATCH] Log missing main class or module when running. Closes #69

---
 src/main/java/rife/bld/operations/RunOperation.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/rife/bld/operations/RunOperation.java b/src/main/java/rife/bld/operations/RunOperation.java
index 49e9a76..39c3717 100644
--- a/src/main/java/rife/bld/operations/RunOperation.java
+++ b/src/main/java/rife/bld/operations/RunOperation.java
@@ -49,6 +49,9 @@ public class RunOperation extends AbstractProcessOperation<RunOperation> {
         else if (mainClass() != null && !mainClass().isEmpty()){
             args.add(mainClass());
         }
+        else {
+            System.err.println("No main class or module specified.");
+        }
 
         args.addAll(runOptions());