fix: 解决 redis mq 消息丢失问题

yudao-framework/yudao-spring-boot-starter-mq/src/main/java/cn/iocoder/yudao/framework/mq/scheduler/RedisPendingMessageResendJob.java

@@ -61,17 +61,17 @@ public class RedisPendingMessageResendJob {
 
         listeners.forEach(listener -> {
             PendingMessagesSummary pendingMessagesSummary = ops.pending(listener.getStreamKey(), groupName);
-            // 每个消费者的pending消息数量
+            // 每个消费者的 pending 队列消息数量
             Map<String, Long> pendingMessagesPerConsumer = pendingMessagesSummary.getPendingMessagesPerConsumer();
             pendingMessagesPerConsumer.entrySet().forEach(entry -> {
                 String consumerName = entry.getKey();
                 Long pendingMessageCount = entry.getValue();
                 log.info("[processPendingMessage][消费者({}) 消息数量({})]", consumerName, pendingMessageCount);
 
-                // 从消费者的pending队列中读取消息
-                List<MapRecord<String, Object, Object>> retVal = ops.read(Consumer.from(groupName, consumerName), StreamOffset.create(listener.getStreamKey(), ReadOffset.from("0")));
-                if (CollUtil.isNotEmpty(retVal)) {
-                    for (MapRecord<String, Object, Object> record : retVal) {
+                // 从消费者的 pending 队列中读取消息
+                List<MapRecord<String, Object, Object>> records = ops.read(Consumer.from(groupName, consumerName), StreamOffset.create(listener.getStreamKey(), ReadOffset.from("0")));
+                if (CollUtil.isNotEmpty(records)) {
+                    for (MapRecord<String, Object, Object> record : records) {
                         // 重新投递消息
                         redisTemplate.getRedisTemplate().opsForStream().add(StreamRecords.newRecord()
                                 .ofObject(record.getValue()) // 设置内容