My application is throwing the error below, although I have in my app the jackson-core-asl-1.4.2 and jackson-mapper-asl-1.4.2
jackson-core-asl-1.4.2
jackson-mapper-asl-1.4.2
Cause
This looks almost certainly to be due to incompatible versions of 'core' and 'mapper' jars. You probably have incompatible versions in use via classpath.