I FOUND IT!! After the upgrade, web_listen_uri was set to http://%SERVER_IP_ADDRESS%
I added the port 9000 (which we had been using all along) to the end and it's working now. web_listen_uri = http://%SERVER_IP_ADDRESS%:9000 > -- You received this message because you are subscribed to the Google Groups "Graylog Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to graylog2+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/graylog2/d796c0eb-ffed-4c7d-851d-b6e973832619%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.