Based on this public documentation <https://cloud.google.com/appengine/docs/standard/java/sdk-gcloud-migration>, the appcfg tool which is included in Stand alone App Engine SDK, is depricated as of July 30, 2019 and is replaced by Cloud SDK <https://cloud.google.com/sdk/docs>. It will become unavailable for download on July 30, 2020.
You may want to follow this documentation <https://cloud.google.com/appengine/docs/standard/java/tools/migrating-from-appcfg-to-gcloud> as it lists the equivalanet commands to some frequently used AppCfg commands. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/324b3c00-cd63-41b5-9f20-a8c089fcfb9e%40googlegroups.com.