CoreService contains methods that are package-visible across different ClassLoaders

2018-07-19 16:54:57,012 INFO  [http-nio-8080-exec-6] o.s.a.f.CglibAopProxy           : Method [void org.appng.core.service.CoreService.initApplicationProperties(org.appng.api.model.Site,org.appng.core.model.AccessibleApplication)] is package-visible across different ClassLoaders and cannot get proxied via CGLIB: Declare this method as public or protected if you need to support invocations through the proxy.
2018-07-19 16:54:57,012 INFO  [http-nio-8080-exec-6] o.s.a.f.CglibAopProxy           : Method [void org.appng.core.service.CoreService.initApplicationProperties(org.appng.core.model.AccessibleApplication)] is package-visible across different ClassLoaders and cannot get proxied via CGLIB: Declare this method as public or protected if you need to support invocations through the proxy.
2018-07-19 16:54:57,012 INFO  [http-nio-8080-exec-6] o.s.a.f.CglibAopProxy           : Method [java.util.List org.appng.core.service.CoreService.getSiteIds()] is package-visible across different ClassLoaders and cannot get proxied via CGLIB: Declare this method as public or protected if you need to support invocations through the proxy.
2018-07-19 16:54:57,012 INFO  [http-nio-8080-exec-6] o.s.a.f.CglibAopProxy           : Method [org.appng.api.support.PropertyHolder org.appng.core.service.CoreService.getPlatform(boolean)] is package-visible across different ClassLoaders and cannot get proxied via CGLIB: Declare this method as public or protected if you need to support invocations through the proxy.
2018-07-19 16:54:57,012 INFO  [http-nio-8080-exec-6] o.s.a.f.CglibAopProxy           : Method [void org.appng.core.service.CoreService.saveProperties(org.appng.api.model.Properties)] is package-visible across different ClassLoaders and cannot get proxied via CGLIB: Declare this method as public or protected if you need to support invocations through the proxy.
2018-07-19 16:54:57,012 INFO  [http-nio-8080-exec-6] o.s.a.f.CglibAopProxy           : Method [void org.appng.core.service.CoreService.initSiteProperties(org.appng.core.domain.SiteImpl,org.appng.api.Environment)] is package-visible across different ClassLoaders and cannot get proxied via CGLIB: Declare this method as public or protected if you need to support invocations through the proxy.
2018-07-19 16:54:57,012 INFO  [http-nio-8080-exec-6] o.s.a.f.CglibAopProxy           : Method [void org.appng.core.service.CoreService.initSiteProperties(org.appng.core.domain.SiteImpl,org.appng.api.Environment,boolean)] is package-visible across different ClassLoaders and cannot get proxied via CGLIB: Declare this method as public or protected if you need to support invocations through the proxy.