src/org/redkale/util/ResourceFactory.java

@@ -777,7 +777,8 @@ public final class ResourceFactory {
             this.listener = tn.startsWith("java.") || tn.startsWith("javax.") ? null : findListener(t, field.getType());
         }
 
-        private static synchronized Method findListener(Class clazz, Class fieldType) {
+        private static Method findListener(Class clazz, Class fieldType) {
+            synchronized (listenerMethods) {
                 Class loop = clazz;
                 Method m = listenerMethods.get(clazz.getName() + "-" + fieldType.getName());
                 if (m != null) return m;
@@ -798,6 +799,7 @@ public final class ResourceFactory {
                 return m;
             }
         }
+    }
 
     @FunctionalInterface
     public static interface ResourceLoader {