Jackson ObjectMapper() constructor throws NoSuchMethod

Question

I\'m using Jackson sample code to deserialize a POJO:

ObjectMapper m = new ObjectMapper();

This line throws a NoSuchMethodError:

Answer 1

I had this same problem. The core jar was 1.7.1 while the mapper was 1.8.1. Note: To fix this for maven I added an exclusion and pulled down the proper version.

        
            
                org.codehaus.jackson
                jackson-mapper-asl