One of requirements on directory with sources in RHBQ bits is that there should be no empty folders. Following directories are empty and should be removed from source zip:

• org.keycloak-keycloak-parent-22.x/docs/documentation/api_documentation/topics/templates
• org.keycloak-keycloak-parent-22.x/docs/documentation/authorization_services/topics/templates
• org.keycloak-keycloak-parent-22.x/docs/documentation/release_notes/topics/templates
• org.keycloak-keycloak-parent-22.x/docs/documentation/securing_apps/topics/templates
• org.keycloak-keycloak-parent-22.x/docs/documentation/server_admin/topics/templates
• org.keycloak-keycloak-parent-22.x/docs/documentation/server_development/topics/templates
• org.keycloak-keycloak-parent-22.x/docs/documentation/upgrading/topics/templates
• org.keycloak-keycloak-parent-22.x/testsuite/model/src/test/resources/kerberos
• org.keycloak-keycloak-parent-22.x/testsuite/model/src/test/resources/keystore
• org.keycloak-keycloak-parent-22.x/testsuite/model/src/test/resources/ldap

This requirements is standard part of acceptance pipeline.