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.
Testing Push Queues in the Development Server
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This page describes some limitations with using the local development server
(dev_appserver) to test push queues in your application. In most
respects, you set up your queues and tasks just as you would to run them in the
App Engine production environment, but there are some differences:
- The development server doesn't respect the
rateandbucket-sizeattributes of your queues. As a result, tasks are executed as close to their ETA as possible. Setting a rate of0doesn't prevent tasks from being executed automatically. - The development server doesn't preserve queue state across restarts.
To prevent push tasks from running in the development server at all, use the following JVM flag when you start the server:
dev_appserver.sh--jvm_flag=-Dtask_queue.disable_auto_task_execution=true