处理获取消息体内容为空时造成的空指针异常

648540858

2022-08-17 59bda74e88ec95890cb13d54aefef38e27411c01

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/cmd/DeviceInfoResponseMessageHandler.java

@@ -75,6 +75,11 @@
        }
        try {
            rootElement = getRootElement(evt, device.getCharset());
            if (rootElement == null) {
                logger.warn("[ 接收到DeviceInfo应答消息 ] content cannot be null, {}", evt.getRequest());
                responseAck(evt, Response.BAD_REQUEST);
                return;
            }
            Element deviceIdElement = rootElement.element("DeviceID");
            String channelId = deviceIdElement.getTextTrim();
            String key = DeferredResultHolder.CALLBACK_CMD_DEVICEINFO + device.getDeviceId() + channelId;