Java WebSocket
2.1
2.0
1.1
1.0

This feature enables support for WebSocket applications written to the Java API for WebSocket 1.1 specification.

Enabling this feature

To enable the Java WebSocket 1.1 feature, add the following element declaration into your server.xml file, inside the featureManager element:

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<feature>websocket-1.1</feature>

Feature configuration elements

wsocOutbound

Standard API packages provided by this feature

javax.websocket
javax.websocket.server

Liberty API packages provided by this feature

Java WebSocket 1.1

Features that this feature enables

servlet-3.1
servlet-4.0

Supported Java versions

JavaSE-1.8
JavaSE-11.0
JavaSE-17.0
JavaSE-20.0

Features that enable this feature

jsfContainer-2.3
webProfile-7.0
webProfile-8.0

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.