IllegalArgumentException no serializer found for class org.mockito and no properties discovered to create beanserializer [Solved]

Solution : (Mockito.anyObject(), Mockito.any(TypeReference.class))

Hi 

Recently I went through a scenario and got the below error while using object Mapper

java.lang.illegalargumentexception :no serializer found for class org.mockito.internal.invocation.mock ref.mock weakreference and no properties discovered to create beanserializer (to avoid exception disable serializationfeature.fail_on_empty_beans [ Solved ]

Here is the scenario

public class A{

@Autowired

private ObjectMapper obj;

private boolean isWar(Test abc){

  obj.convertValue(object, new TypeReference<Map<String,Object>>(){});

}

}

and my junit class is here

@Test
public void testSomething(){

when (objectMapper.convertValue(obj,map.class)).thenReturn(something);

}

Changing the convertValue parameter as (Mockito.anyObject(), Mockito.any(TypeReference.class)) solved the problem