June 07, 2021

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

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