Information
Handlers specify where log messages are sent. Console handlers send log messages to the Java console and File handlers specify logging to a file.
Utilizing file handlers will ensure that security event information is persisted to disk.
Solution
Add the following entries to the ${jetty.base}/resources/jetty-logging.properties file if they do not exist.
# Configure Jetty for StdErrLog Logging
org.eclipse.jetty.util.log.class=org.eclipse.jetty.util.log.StrErrLog
# Overall Logging Level is INFO
org.eclipse.jetty.LEVEL=INFO
# Detail Logging for WebSocket
org.eclipse.jetty.websocket.LEVEL=DEBUG