Java 8 has reached end of support and will be deprecated on January 31, 2026. After deprecation, you won't be able to deploy Java 8 applications, even if your organization previously used an organization policy to re-enable deployments of legacy runtimes. Your existing Java 8 applications will continue to run and receive traffic after their deprecation date. We recommend that you migrate to the latest supported version of Java.

Migrating from AppCfg to gcloud Command Line

AppCfg was a utility command that was included in the App Engine SDK.

To help you replace your use of AppCfg commands with gcloud commands from the gcloud CLI, see the following table:

`appcfg` command	`gcloud` command line
`download_app`	No longer supported. Use `gcloud app versions describe` and `curl` for each of the files listed.
`request_logs`	`gcloud app logs read` or view and route logs with the Logs Explorer
`rollback`	No longer supported or necessary
`start_module_version`	`gcloud app versions` `start`
`stop_module_version`	`gcloud app versions stop`
`update`	For Python and PHP apps: `gcloud app deploy` For Java 8 apps, build the app first. Then deploy with: `gcloud app deploy WEB-INF/appengine.xml` For Java 11 apps, you can deploy the source code to the Java 11 runtime without building locally: `gcloud app deploy pom.xml` To deploy a Java fatjar to the Java 11 runtime: `gcloud app deploy myapp.jar` You can also use the gcloud CLI-based Maven or Gradle plugins to build and deploy Java 8 and Java 11 apps.
`update_indexes`	`gcloud app deploy indexes.yaml` or `gcloud datastore indexes create`
`update_cron`	`gcloud app deploy cron.yaml`
`update_dispatch`	`gcloud app deploy dispatch.yaml`
`update_dos`	`gcloud app deploy dos.yaml`
`update_queues`	`gcloud app deploy queues.yaml`
`vacuum_indexes`	`gcloud datastore indexes cleanup`
`version`	`gcloud app versions describe`
`set_default_version`	`gcloud app services set-traffic`
`cron_info`	View the Google Cloud console Cron jobs page.
`resource_limits_info`	View the Google Cloud console Quotas page.
`backends` commands	No longer supported. The Backends service is shut down.
`list_versions`	`gcloud app versions list`
`delete_version`	`gcloud app versions delete`
`migrate_traffic` Only supports 100% migration.	`gcloud app services set-traffic`

If you need help translating the XML files to equivalent YAML files, you can use:

gcloud beta app migrate-config cron-xml-to-yaml MY-CRON-XML-FILE.xml
gcloud beta app migrate-config datastore-indexes-xml-to-yaml MY-INDEX-XML-FILE.xml
gcloud beta app migrate-config dispatch-xml-to-yaml MY-DISPATCH-XML-FILE.xml gcloud beta app migrate-config queue-xml-to-yaml MY-QUEUE-XML-FILE.xml