Merge pull request #247 from MakotoKinoshita/fix/class-helper

ContextClassLoaderからだとClassが取得できなことがある問題を修正

Author: nakamura-to

src/main/java/org/seasar/doma/jdbc/ClassHelper.java

@@ -46,7 +46,11 @@ default <T> Class<T> forName(String className) throws Exception {
             if (classLoader == null) {
                 return (Class<T>) Class.forName(className);
             } else {
-                return (Class<T>) classLoader.loadClass(className);
+                try {
+                    return (Class<T>) classLoader.loadClass(className);
+                } catch (ClassNotFoundException e) {
+                    return (Class<T>) Class.forName(className);
+                }
             }
         } catch (ClassNotFoundException e) {
             throw new WrapException(e);