Building with Java

You can run Java code in OpenTelekomCloud FunctionGraph. FunctionGraph provides runtimes for Java that run your code to process events.

Supported Java Runtimes

FunctionGraph supports following Java runtimes:

Table 1 Java Runtimes

Name	Identifier
Java 8	Java8
Java 11	Java11
Java 17	Java17
Java 21	Java21

FunctionGraph Types

FunctionGraph provides 2 types of functions:

• Event Functions

  Event functions can be configured with event triggers and integrate a variety of OpenTelekomCloud products (such as object storage service OBS, distributed messaging service RabbitMQ version, cloud log service LTS, etc.).

  See Event Function

• HTTP Functions

  HTTP functions support mainstream Web application frameworks and can be accessed through a browser or called directly by a URL.

  See HTTP Functions

last updated: 2025-09-23 09:31:56 UTC - commit: 70dfd27683766d95e95edd34387e5c0f102dbc02