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.
Concepts
App Engine for Java Concepts
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An Overview of App Engine
An explanation of App Engine services, the building blocks of App Engine applications
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How App Engine Manages Instances
A description of how App Engine instances are managed and scale dynamically to meet demand.
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Microservices on App Engine
An explanation of App Engine application architecture for building a microservices-based application.
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The Java 8 Runtime Environment
A description of the Java 8 standard environment for App Engine and how it works.