处理获取消息体内容为空时造成的空指针异常

648540858

2022-08-17 4fe5672623212f5f6ac50009c4dc88d5c517dbb4

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

@@ -95,12 +95,16 @@
                        HandlerCatchData take = taskQueue.poll();
                        try {
                            Element rootElement = getRootElement(take.getEvt(), take.getDevice().getCharset());
                            if (rootElement == null) {
                                logger.warn("[ 收到通道 ] content cannot be null");
                                continue;
                            }
                            Element deviceListElement = rootElement.element("DeviceList");
                            Element sumNumElement = rootElement.element("SumNum");
                            Element snElement = rootElement.element("SN");
                            if (snElement == null || sumNumElement == null || deviceListElement == null) {
                                responseAck(take.getEvt(), Response.BAD_REQUEST, "xml error");
                                return;
                                continue;
                            }
                            int sumNum = Integer.parseInt(sumNumElement.getText());

@@ -129,7 +133,8 @@
                                    catalogDataCatch.put(take.getDevice().getDeviceId(), sn, sumNum, take.getDevice(), channelList);
                                    logger.info("[收到通道]设备: {} -> {}个，{}/{}", take.getDevice().getDeviceId(), channelList.size(), catalogDataCatch.get(take.getDevice().getDeviceId()) == null ? 0 :catalogDataCatch.get(take.getDevice().getDeviceId()).size(), sumNum);
                                    if (catalogDataCatch.get(take.getDevice().getDeviceId()).size() == sumNum) {
                                        // 数据已经完整接收
                                        // 数据已经完整接收， 此时可能存在某个设备离线变上线的情况，但是考虑到性能，此处不做处理，
                                        // 目前支持设备通道上线通知时和设备上线时向上级通知
                                        boolean resetChannelsResult = storager.resetChannels(take.getDevice().getDeviceId(), catalogDataCatch.get(take.getDevice().getDeviceId()));
                                        if (!resetChannelsResult) {
                                            String errorMsg = "接收成功，写入失败，共" + sumNum + "条，已接收" + catalogDataCatch.get(take.getDevice().getDeviceId()).size() + "条";