How to get the current application version in Java 11 Google App Engine?

Question

I am unable to get the current application version in my attempt to migrate App Engine to Java 11. In Java 8 I did:

import com.google.appengine.api.utils.SystemProperty;
String version = SystemProperty.applicationVersion.get().split("\\.")[0];

However, this AppEngine API is deprecated in Java 11 version of AppEngine. Does anyone have an idea how to do this? I am unable to find this anywhere, there seems to be no documentation on this.

Any help is greatly appreciated!

Edit: I already tried to get in from the metadata endpoint (see: https://cloud.google.com/appengine/docs/standard/java/accessing-instance-metadata). This works for the project-id and region, but the documentation does not state anything about the version. Maybe it is not documented, but also accessible this way (it would make sense).

Does this answer your question? [How to get java version programmatically with update information](https://stackoverflow.com/questions/36934673/how-to-get-java-version-programmatically-with-update-information) — Donnald Cucharo, Jul 29 '21 at 16:27
Do you want to know the exact java version, or the app engine service version? — guillaume blaquiere, Jul 29 '21 at 19:16

score 0 · Answer 1 · answered Aug 20 '21 at 08:29

0

The information is available in the environment variables in the app engine. You should be able to get it through GAE_version environment variable.This is mentioned in the migration notes for app engine.

answered Aug 20 '21 at 08:29

Rajeev Tirumalasetty

317
1
7

How to get the current application version in Java 11 Google App Engine?

1 Answers1