Jakarta WebSocket 2.1

This feature enables support for WebSocket applications written to the API for the Jakarta WebSocket 2.1 specification.

Enabling this feature

To enable the Jakarta WebSocket 2.1 feature, add the following element declaration into your server.xml file, inside the featureManager element:

<feature>websocket-2.1</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-6.0

Supported Java versions

JavaSE-11.0
JavaSE-17.0
JavaSE-20.0

Features that enable this feature

facesContainer-4.0
webProfile-10.0

Developing a feature that depends on this feature

If you 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-2.1; type="osgi.subsystem.feature"