From 7261ad0e18cebc9ae1e4f28fc2dc868c2da16cda Mon Sep 17 00:00:00 2001
From: Rostislav Svoboda <rsvoboda@redhat.com>
Date: Wed, 19 Jul 2023 10:47:20 +0200
Subject: [PATCH] Error message when re-augmenting non-mutable Quarkus
 application

---
 .../java/io/quarkus/bootstrap/runner/QuarkusEntryPoint.java  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/independent-projects/bootstrap/runner/src/main/java/io/quarkus/bootstrap/runner/QuarkusEntryPoint.java b/independent-projects/bootstrap/runner/src/main/java/io/quarkus/bootstrap/runner/QuarkusEntryPoint.java
index ff651ae055547..0afc6b6ec1de0 100644
--- a/independent-projects/bootstrap/runner/src/main/java/io/quarkus/bootstrap/runner/QuarkusEntryPoint.java
+++ b/independent-projects/bootstrap/runner/src/main/java/io/quarkus/bootstrap/runner/QuarkusEntryPoint.java
@@ -68,6 +68,11 @@ private static void doRun(Object args) throws IOException, ClassNotFoundExceptio
 
     private static void doReaugment(Path appRoot) throws IOException, ClassNotFoundException, IllegalAccessException,
             InvocationTargetException, NoSuchMethodException {
+        if (!Files.exists(appRoot.resolve(LIB_DEPLOYMENT_DEPLOYMENT_CLASS_PATH_DAT))) {
+            System.out.println("[ERROR] Re-augmentation was requested, " +
+                    "but the application wasn't built with 'quarkus.package.type=mutable-jar'");
+            return;
+        }
         try (ObjectInputStream in = new ObjectInputStream(
                 Files.newInputStream(appRoot.resolve(LIB_DEPLOYMENT_DEPLOYMENT_CLASS_PATH_DAT)))) {
             List<String> paths = (List<String>) in.readObject();