If its giving you the same error then SOMETHING is broken with your JVM. Or your trust chains. See https://stackoverflow.com/questions/6784463/error-trustanchors-parameter-must-be-non-empty for more info. This isn't a Forge or installer issue. Its something wrong with your server.   As for Forge not working on J9, the installer will work fine on it. However LaunchWrapper, the core loading system assumes some things about the classpath that J9 breaks. It'll just error when you try and a