src/main/java/org/java_websocket/AbstractWebSocket.java
private void cancelConnectionLostTimer() {
       if( connectionLostCheckerService != null ) {
            connectionLostCheckerService.shutdownNow();
            connectionLostCheckerService = null;
        }
        if( connectionLostCheckerFuture != null ) {
        	connectionLostCheckerFuture.cancel(false);
            connectionLostCheckerFuture = null;
        }
    }
private void cancelConnectionLostTimer() {
       if( connectionLostCheckerService != null ) {
            connectionLostCheckerService.shutdownNow();
            connectionLostCheckerService = null;
        }
        if( connectionLostCheckerFuture != null ) {
        	connectionLostCheckerFuture.cancel(false);
            connectionLostCheckerFuture = null;
        }
    }
Cancel any running timer for the connection lost detection
@since 1.3.4