#922 Fall back to default class resolution if class cannot be loaded …

…with provided class loader

src/com/esotericsoftware/kryo/serializers/JavaSerializer.java

@@ -84,8 +84,13 @@ private static class ObjectInputStreamWithKryoClassLoader extends ObjectInputStr
 		protected Class resolveClass (ObjectStreamClass type) {
 			try {
 				return Class.forName(type.getName(), false, kryo.getClassLoader());
+			} catch (ClassNotFoundException ignored) {}
+			try {
+				return super.resolveClass(type);
 			} catch (ClassNotFoundException ex) {
 				throw new KryoException("Class not found: " + type.getName(), ex);
+			} catch (IOException ex) {
+				throw new KryoException("Could not load class: " + type.getName(), ex);
 			}
 		}
 	}

test/com/esotericsoftware/kryo/serializers/JavaSerializerTest.java

@@ -42,6 +42,17 @@ void testJavaSerializer () {
 		roundTrip(146, test);
 	}
 
+	@Test
+	void testJavaSerializerFallbackToDefaultClassLoader () {
+		kryo.setClassLoader(ClassLoader.getPlatformClassLoader());
+
+		kryo.register(TestClass.class, new JavaSerializer());
+
+		TestClass test = new TestClass();
+		test.intField = 54321;
+		roundTrip(139, test);
+	}
+
 	public static class TestClass implements Serializable {
 		String stringField;
 		int intField;