[keycloak-user] help

Hi All, I am trying to run keycloak quickstart 6.0.1 but it keeps failing. The attached file shows the error I receive when I run "mvn clean wildfly:deploy" The wildfly version is 16 and I tried different maven versions (3.3.1, 3.3.9, 3.5.4, 3.6.0, 3.6.1) and I am using Centos 7. Any idea why this is happening? Please help!