Provide actionable error message when RESTEasy Reactive can't pick Pr…

…ovider constructor Relates to: #19750 Co-authored-by: George Gastaldi <[email protected]>
quarkusio · Sep 1, 2021 · 12ca7eb · 12ca7eb
1 parent 469e81a
commit 12ca7eb
Showing 1 changed file with 22 additions and 11 deletions.
diff --git a/...mon/runtime/src/main/java/io/quarkus/resteasy/reactive/common/runtime/ArcBeanFactory.java b/...mon/runtime/src/main/java/io/quarkus/resteasy/reactive/common/runtime/ArcBeanFactory.java
@@ -22,17 +22,28 @@ public String toString() {
 
     @Override
     public BeanInstance<T> createInstance() {
-        BeanContainer.Instance<T> instance = factory.create();
-        return new BeanInstance<T>() {
-            @Override
-            public T getInstance() {
-                return instance.get();
+        BeanContainer.Instance<T> instance;
+        try {
+            instance = factory.create();
+            return new BeanInstance<T>() {
+                @Override
+                public T getInstance() {
+                    return instance.get();
+                }
+
+                @Override
+                public void close() {
+                    instance.close();
+                }
+            };
+        } catch (Exception e) {
+            if (factory.getClass().getName().contains("DefaultInstanceFactory")) {
+                throw new IllegalArgumentException(
+                        "Unable to create class '" + targetClassName
+                                + "'. To fix the problem, make sure this class is a CDI bean.",
+                        e);
             }
-
-            @Override
-            public void close() {
-                instance.close();
-            }
-        };
+            throw e;
+        }
     }
 }