4.0.0 com.ankurm jackson2-to-3-migration 1.0.0 pom jackson2-to-3-migration Side-by-side Jackson 2 and Jackson 3 code for the ankurm.com migration guides jackson2-before jackson3-after coexistence 21 UTF-8 2.22.1 3.2.1 org.codehaus.mojo exec-maven-plugin 3.6.3