消息可能为空的问题

rocketmq/client/src/main/java/org/apache/rocketmq/client/impl/consumer/ProcessQueue.java

Lines 83 to 108 in 646d04f

for (int i = 0; i < loop; i++) { MessageExt msg = null; try { this.treeMapLock.readLock().lockInterruptibly(); try { if (!msgTreeMap.isEmpty()) { String consumeStartTimeStamp = MessageAccessor.getConsumeStartTimeStamp(msgTreeMap.firstEntry().getValue()); if (StringUtils.isNotEmpty(consumeStartTimeStamp) && System.currentTimeMillis() - Long.parseLong(consumeStartTimeStamp) > pushConsumer.getConsumeTimeout() * 60 * 1000) { msg = msgTreeMap.firstEntry().getValue(); } else { break; } } else { break; } } finally { this.treeMapLock.readLock().unlock(); } } catch (InterruptedException e) { log.error("getExpiredMsg exception", e); }

 try { 

     pushConsumer.sendMessageBack(msg, 3); 
     log.info("send expire msg back. topic={}, msgId={}, storeHost={}, queueId={}, queueOffset={}", msg.getTopic(), msg.getMsgId(), msg.getStoreHost(), msg.getQueueId(), msg.getQueueOffset()); 

原提问者GitHub用户xiaoyifang