Jakarta WebSocket 2.0

This feature enables support for WebSocket applications written to the API for the Jakarta WebSocket 2.0 specification.

Enable this feature

To enable the Jakarta WebSocket 2.0 feature, add the following element declaration into the server.xml file, inside the featureManager element:

<feature>websocket-2.0</feature>

Feature configuration elements

• wsocOutbound

Standard API packages provided by this feature

• jakarta.websocket
• jakarta.websocket.server

Liberty API packages provided by this feature

• com.ibm.websphere.wsoc

Features that this feature enables

• servlet-5.0

Supported Java versions

• JavaSE-1.8
• JavaSE-11.0
• JavaSE-17.0
• JavaSE-21.0
• JavaSE-24.0

Platform Versions

• jakartaee-9.1

Features that enable this feature

• facesContainer-3.0
• webProfile-9.1

Develop a feature that depends on this feature

If we are developing a feature that depends on this feature, include the following item in the Subsystem-Content header in your feature manifest file.

io.openliberty.websocket-2.0; type="osgi.subsystem.feature"