# Configure for System.err output org.eclipse.jetty.util.log.class=org.eclipse.jetty.util.log.StdErrLog # Configure StdErrLog to log all jetty namespace at default of WARN or above org.eclipse.jetty.LEVEL=WARN # Configure StdErrLog to log websocket specific namespace at DEBUG or above org.eclipse.jetty.websocket.LEVEL=INFO