Activemq pending messages vs enqueued. Able to send the message successfully to the Queue.
Activemq pending messages vs enqueued this number can be higher that the number of enqueued messages ‘Number Of Pending Messages’ column shows messages waiting in the queue. 生产者代码： Editor’s note (September 2021): This post has been updated to include new information about ActiveMQ Artemis. You never need to cache consumers with a listener container. Most messaging systems support both the publisher/subscriber and message queue models in their API, e. ActiveMQ won't return more than the number of messages that it can fit into memory so if you have a deep queue you won't have an accurate count. 5 In normal use, Apache ActiveMQ Artemis does not update delivery count persistently until a message is rolled back (i. 10. recover() is called. Vir 文章浏览阅读293次。Number Of Consumers 消费者 这个是消费者端的消费者数量 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减 Messages Dequeued 出了队列的消息 可以理解为 2019-08-06 22:54:32. 文章浏览阅读2. Having issues with jndi lookup for JBoss embedded MQ for A single message will be received by exactly one consumer. Messages Enqueued ： 进入队列的消息；（ 这个数量只增不减，重启acmq后会清零） ， 进入队列的总数量,包括出队列的。 ActiveMQ sends messages between producers, ‘Number Of Pending Messages’ column shows messages waiting in the queue. Restarting the consumer does not help for these messages to be dispatched. 5. ‘Number Of Consumers’ column shows how many consumers What causes the messages in ActiveMQ topic go into pending state? Pending messages are messages that have been enqueued (sent) but not dequeued (consumed or expired). The only real difference is that each consumer has its own feed of messages which are to be consumed. 0, and on the web console page I can see two columns named “Messages Enqueued” and “Messages Dequeued” for BOTH queue and topic. ID-10-147-244-247-15461c6c293-38-0. what is the difference between pending messages and queue count? the number of pending messages and the queue count is displayed? What is the difference between them? Currently Find answers to activeMQ Queue Messages Enqueued and Messages Dequeued from the expert community at Experts Exchange 本文解析了消费者数量、待消费消息与消息进出队列的关系，重点讲解生产者-消费者模式下的状态变化，以及ACMQ重启后的清零规则。 摘要生成于 C知道 ，由 DeepSeek-R1 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。 可以理解为总接收数-总出队列数. None of the management tools will do this for you either since it's not really ActiveMQ's job to be a database. A client One cause of this can be incorrectly using a CachingConnectionFactory (with cached consumers) with a listener container that dynamically adjusts the consumers (max consumers > consumers). If I restart the app the messages in Dispatched Queue get consumed and new messages are consumed as expected. jar ActiveMQのインストールから実際にプログラムで動かしてみる使い方まで基本的な部分をまとめました。 管理画面の Queues を確認すると queue_test という Queue が作成されて、Number Of Pending~ が 1 に、Messages Enqueued が 1 になっているのがわかります。 Monitored Parameters. lib中ActiveMQ为我们提供了分功能的JAR包，当然也提供了activemq-all-5. Messages Enqueued ： 进入队列的消息；（ 这个数量只增不减，重启acmq后会清零） ， 进入队列的总数量,包括出队列的。 activeMQ java 端写了发送和消费消息的DEMO。但是消费程序运行结束，控制台里的‘Number Of Pending Messages ’和‘Messages Enqueued ’ 没变，依然是1. However, after a couple of days it stops consuming messages. The ActiveMQ Web Console shows that 1 enqueued, 0 dequeued, 1 dispatched, 1 is in Dispatched Queue. If a consumer receives a message and does not acknowledge it before closing then the message will be redelivered to another consumer. Click on Apache ActiveMQ under the Middleware/Portal Table. dequeued messages = messages delivered from the destination to consumers. t. e. 文章浏览阅读4. 0. i want value like it is showed in ActiveMQ Console. 1什么是消息中间件面向消息的中间件 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减 Messages Dequeued 出了队列的消息 可以理解为是消费这消费掉的数量 But when I post a message to this Queue, I see that the message is available with in the queue but none of the subscribers have picked it up in spite of it meeting one of the consumer's selector criteria. Upon restart of the ActiveMQ SOME of the pending messages are consumed right away. What is the reason of having the messages kept in the topic? Is it that they can be re-sent later on? But when a new queue gets linked to the virtual topic, all existing enqueued messages are not sent to it. I see the following details on the AMQ UI console: Number of pending messages - 1; Number of consumers - 6; Messages enqueued - 1; Messages Retained - Number Of Pending Messages Not retained - Messages Enqueued Not retained - Messages Dequeued Currently, AMQ doesn't retain some data between application restarts. 6w次，点赞11次，收藏27次。Number Of Consumers ：表示消费者数量；Number Of Pending Messages ：等待消费的消息，这个是当前未出队列的数量； Messages Enqueued ：进入队列的消息；（ 这个数量只增不减，重启acmq后会清零） Messages Dequeued ：出了队列的消息 可以理解为是消费这消费掉的数量 Number Of Consumers ：表示消费者数量， 这个是消费者端的消费者数量. I’m clear on 启动activemq后，我们可以通过登录activemq管理页面查看上述信息，需要注意的是Messages Dequeued与Messages Enqueued是会随着activemq服务端的启动清零的，而Number Of Pending Messages则不会清零！ 用户名和密码都是 admin ⑨说明 Number Of Pending Messages ：等待消费的消息 ，这个是当前未出队列的数量。Number Of Consumers ：消费者这个是消费者端的消费者数量。Messages Enqueued ：进入队列的消息 ，进入队列的总数量,包括出队列的。Messages Dequeued ：出了队列的消息 ，可以理解为是消费这消费掉的数量 Developers > Developer Guide > Design Documents > Message Redelivery and DLQ Handling. 1k次。Number Of Consumers 消费者 这个是消费者端的消费者数量 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。这个数量只增不减 Messages Dequeued 出了队列的消息 可以理解为 Number Of Consumers ：表示消费者数量； Number Of Pending Messages ：等待消费的消息，这个是当前未出队列的数量； Messages Enqueued ：进入队列的消息；（ 这个数量只增不减，重启acmq后会清零） Messages Dequeued ：出了队列的消息 可以理解为是消费这消费掉的数量 （重启acmq后会清零） 一般情况下， 1、当有 Number Of Pending Message： 等待消费的消息； Number Of Consumers： 消费者数量； Messages Enqueued： 进入队列的消息总数量，包括已经出队的消息； Messages Dequeued： 已经被消费的消息数量； Operations： 操作按钮。 Messages Enqueued = Messages Dequeued + Number Of Pending Messages。 3、 Topics activemq 控制面板里的 Number Of Pending Messages、 Messages Enqueued、Messages Dequeued含 博客分类： java Number Of Consumers 消费者 这个是消费者端的消费者数量 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减 Messages Dequeued 出了队列的消息 可以理解为是消费这消费掉的数量 文章浏览阅读1. ActiveMQ Classic Message Properties; Advisory Message; Blob Messages Number Of Consumers ：表示消费者数量； Number Of Pending Messages ：等待消费的消息，这个是当前未出队列的数量； Messages Enqueued ：进入队列的消息；（ 这个数量只增不减，重启acmq后会清零） Messages Dequeued ：出了队列的消息 可以理解为是消费这消费掉的数量 （重启acmq后会清 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减 Messages Dequeued 出了队列的消息 可以理解为是消费这消费掉的数量 Your message will go into Message body text area, after that you can just click Send. Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减 Messages Dequeued 出了队列的消息 可以理解为是消费这消费掉的数量 Post by pkorwar Hi all, I have read several of the threads where people experienced messages stuck in pending state in queues. Go to the Monitors Category View by clicking the Monitors tab. 4. 2k次。Number Of Consumers 消费者 这个是消费者端的消费者数量Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数Messages Enqueued进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减Messages Dequeued 出了队列的消息 可以理解为是 By understanding the common causes of stuck messages in ActiveMQ and utilizing a methodical approach to diagnosis and resolution, developers can maintain a smooth and reliable messaging system. Have not tested this, but are the messages in the connected queues respecting the persistence flag for the message sent in the virtual topic? 文章浏览阅读893次。生产者生产后name：自定义的名字Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数Messages Enqueued进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减Messages Dequeued 出了队列的消息 可以理解为是消费这消费掉的数量 pending messages = number of messages CURRENTLY waiting for delivery in the destination (the current size of the queue) enqueued messages = number of messages that where enqueued in the destination since the last statistic reset. 2. Just a moment ago I had situation where I had 25 free consumers avaiable for queue (they are visible in the admin panel) with 7 of those "stuck" messages. the delivery count is not updated before the message is delivered to the consumer). Also we use another broker which points to a different data folder which is populated Loading. Apache ActiveMQ is the most popular open source, multi-protocol, Java The AMQ console shows that messages are enqueued and dequeued, but they are not making it to my consumer. Stack Overflow. JMS Connector version : 1. 造成这种情况的一个原因可能是错误地将CachingConnectionFactory（带有缓存的消费者）与动态调整消费者（最大消费者>消费者）的侦听器容器一起使用。您最终可能会得到一个缓存的消费者，它只是坐在池中而没有被积极使用。 i m working with ActiveMQ ServiceMix and i want to have enqueued message count / dequeued message count etc in java. Thank you! Slava. Overview. Number Of Consumers ：表示消费者数量， 这个是消费者端的消费者数量. Skip to main content. 文章浏览阅读8. Another option is to use JMX to browse the queues and call the purge() method on the QueueViewMBean. 说一下这几个标签的含义，number of pending messages 待发送消息数. When I check the message in the admin portal, it shows under the Enqueued message. Number Of Consumers 消费者 这个是消费者端的消费者数量 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列 Number Of Consumers ：表示消费者数量； Number Of Pending Messages ：等待消费的消息，这个是当前未出队列的数量； Messages Enqueued ：进入队列的消息；（ 这个数量只增不减，重启acmq后会清零） Messages Dequeued ：出了队列的消息 可以理解为是消费这消费掉的数量 （重启acmq后会清 The message queue paradigm is a sibling of the publisher/subscriber pattern, and is typically one part of a larger message-oriented middleware system. The browse command simply returns an empty set of messages. 5k次。我的微服务中, activemq 消费 一条消息的时候, 出了错, 结果导致了 那条消息就一直处于pending 状态, queue. Messages Enqueued 压入队列的消息数量. 4. Number Of Consumers ：表示消费者数量； Number Of Pending Messages ：等待消费的消息，这个是当前未出队列的数量； Messages Enqueued ：进入队列的消息；（ 这个数量只增不减，重启acmq后会清零） Messages Dequeued ：出了队列的消息 可以理解为是消费这消费掉的数量 （重启acmq后会清 Message Features. activemq 管理端查看消息，第一消息中间件概述1. A session is using CLIENT_ACKNOWLEDGE and Session. user. Hence if you have sent all messages to another queue or broker from your queue, you can resend those messages to There is a count mismatch between a queue we have hosted and a queue which is populated upon processing the messages from that queue,there were some pending messages in the queue before restarting the broker. 原因是消费端创建Session方法createSession的第一个参数transacted传来’TRUE’，传’FALSE’就可以了。 In addition when you try to browse the queue using either the ActiveMQ web console or jconsole, no messages are shown. 3. Messages are displayed Facing a weird issue related to ActiveMQ. g. If you have a large number of pending messages, your consumer is either too slow or is/was offline. Features > Message Features. Have setup a simple queue for processing the incoming request. Java Message Service (JMS). Using standards-based, asynchronous communication, ActiveMQ allows loose coupling of the services that make up an application, One of the main differences between ActiveMQ and Kafka is that ActiveMQ is a push-type messaging platform where the providers push messages there are no pending, enqueued, or dequeued messages. To check status of your queue, you can jump to Queues in the main menu, and check the following fields in table: Number Of Pending Messages Number Of Consumers Messages Enqueued Messages Dequeued 3. 1规范的面向消息（MOM）中间件。 它为应用程序提供高效的、可扩展的、稳定的和安全的企业级消息通信。ActiveMQ通过消息队列或主题的方式，允许发送者和接收者进行异步通信，从而降低了系统之间的直接依赖，提高了系统的灵活性 data目录下是ActiveMQ进行消息持久化存放的地方，默认采用的是kahadb，当然我们可以采用leveldb，或者采用JDBC存储到MySQL，或者干脆不使用持久化机制。 webapps，注意ActiveMQ自带Jetty提供Web管控台. -- Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减 Messages Dequeued 出了队列的消息 可以理解为是消费这消费掉的数量 Hello, I've lost statistics about "Enqueued" and "Dequeued" messages for all my queues after a restart of my ActiveMQ where they become all ZEROS as 相关 activemq 控制面板里Number Of Pending Messages、 Messages Enqueued等含义解释 Number Of Consumers ：表示消费者数量； Number Of Pending Messages ：等待消费的消息，这个是当前未出队列的数量； Mess How to browse ActiveMQ messages. Need clarification on JMS vs ActiveMQ bean/resource configuration. 1. 如下图： 原因. 14. But the Consumer never got the message from the Queue. 1 什么是mq 维基百科： 在计算机科学中，消息队列（英语：Message queue）是一种进程间通信或同一进程的不同线程间的通信方式，软件的贮列用来处理一系列的输入，通常是来自用户。 消息队列提供了异步的通信协议，每一个贮列中的纪录包含详细说明的数据，包含发生的时间 I have one dedicated process listening to each these queues, which takes pending messages from respective queue, processes records and . In ActiveMQ Classic’s case, we use a prefetch value per consumer to define how many messages each consumer gets in its buffer, before messages must be acknowledged to get more messages. _activemq pending messages突然不被消费 文章浏览阅读612次。Number Of Consumers ：表示消费者数量；Number Of Pending Messages ：等待消费的消息，这个是当前未出队列的数量；Messages Enqueued ：进入队列的消息；（ 这个数量只增不减，重启acmq后会清零）Messages Dequeued ：出了队列的消息 可以理解为是消费这消费掉的数量 （重启acmq后会清零）一般 Once broker get acknowledgment from consumer, it removes message from persistence store [KahaDB/database as per configuration] of broker. Messages are redelivered to a client when any of the following occurs:. Message could even be a JSON, you can just paste it in there. Step 2 - Click on a queue. Messages Dequeued 出队列的消息数量，也就是被消费的消息数. 667 INFO 17608 — [enerContainer-2] c. A transacted session is closed before commit() is called. Name Number Of Pending Messages Number Of Consumers Messages Enqueued Messages Dequeued Views Operations Consumer. The bug as mentioned in the link talks of the kahaDB for persistent storage going in some inconsistent state causing message delivery to a standstill. Messages Enqueued ： 进入队列的消息；（ 这个数量只增不减，重启acmq后会清零） ， 进入队列的总数量,包括出队列的。 CSDN问答为您找到求问，activemq监控中，队列的Messages Enqueued数量比Messages Dequeued少是为什么？相关问题答案，如果想了解更多关于求问，activemq监控中，队列的Messages Enqueued数量比Messages Dequeued少是为什么？ java 技术问题等相关问答，请访问CSDN问答。 FAQ > Using Apache ActiveMQ Classic > You can use the Web Console to view queues, add/remove queues, purge queues or delete/forward individual messages. activemq 无法消费! consumers are alive when the messages are stuck !，我的微服务中,activemq消费一条消息的时候,出了错,结果导致了那条消息就一直处于pending状态,可以看到 pending是1,dequeue是0,而消费者是1,明明存在1个消费者,但是却一直不消费,不dequeue是什么意思??本想直接在那个管理界面上 Number Of Consumers ：表示消费者数量， 这个是消费者端的消费者数量. In most messaging use cases, the messages are consumed, acknowledged and forgotten as soon as they are consumed. Or it's not The app runs fine initially. 1 onward has this issue. 什么是Activemq 1. You could also delete the queue via removeQueue(String) or removeTopic 1. Number Of Pending Messages ：等待消费的消息，这个是当前未出队列的数量； 可以理解为总接收数-总出队列数 . 文章浏览阅读1. readresult 19595 0 40747 76651 Browse Active Consumers contents of our bundle-context. 2. Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减 Messages Dequeued 出了队列的消息 可以理解为是消费这消费掉的数量 ActiveMQ performance monitoring didn't exist, but Practice Fusion coded the ability to track queue metrics over time. Pending(0), Enqueued(100), Dequeued(100) queue_pending2: Pending(0), Enqueued(100), Dequeued ActiveMQ Backlog - Total Number of Waiting Messages. Probably I should follow Justin's idea to create a full test description with all required data for easy reproduction. Whether through internal optimization or by choosing to hire ActiveMQ remote developers , it's essential to keep your message queues flowing freely to Number Of Pending Messages：等待消费者处理的消息数量。 Number Of Consumers：当前连接到消息队列的消费者数量。 Messages Enqueued：消息队列收到的消息总数。 Messages Dequeued：消费者处理的消息总数。 Views：查看队列详细信息的链接，例如消息的详细信息、历史消息等。 Pending counts are preserved because you have persistent messages and a persistence store and there are messages in it when the broker started, not because the broker actually saved the count. Messages Enqueued 进入队列的消息 进入队列的总数量,包括出 If a consumer receives a message and does not acknowledge it before closing then the message will be redelivered to another consumer. As i know, DLQ doesn't have a consumer to produce I’m using ActiveMQ v5. ; Performance tab gives the Health Status and events for the past 24 Number Of Pending Message：等待处理的消息（已接收+已持久化+还在投递队列中） Number Of Consumers：消费者的数量 Messages Enqueued：进入队列的消息的总数 Messages Dequeued：出队列的消息的总数（被消费） Views — Browse：查看每一条消息明细 Views — Active Consumers：活动的消费者 ActiveMQ的管理控制台（admin console）为我们观察消息列表以及对消息的操作提供了一个简单的界面。 Number Of Pending Messages ：等待消费的消息 这个是当前（已产生）而未出队列 Messages Enqueued ：进入队列的消息 进入队列的总数量, Once this event occurs I find a built up of messages in the pending messages and a mismatch in the count of messages enqueued vs messages dequeued. A queue can have many consumers with messages I'm now working with ActiveMQ and wanna know what is the meaning of enqueued/dequeued messages in DQL. ‘Messages Enqueued’ column shows total enqueue count. Open connection to see list of queues and topics. Here's how to browse ActiveMQ messages using QueueExplorer: Step 1 - Create ActiveMQ connection. enqueued messages = number of messages that where enqueued in the destination since the last statistic reset. Create a new connection in QueueExplorer with your ActiveMQ credentials. . ×Sorry to interrupt. Displayed is the Apache ActiveMQ bulk configuration view distributed into three tabs: Availability tab gives the Availability history for the past 24 hours or 30 days. I see that ActiveMQ from version 5. Queue depth, a NumberOfItems32 counter, is the current number of pending messages in the ActiveMQ Web Info Messages Enqueued：表示生产了多少条消息，记做P Messages Dequeued：表示消费了多少条消息，记做C Number Of Consumers：表示在该队列上还有多少消费者在等待接受消息 Number Of Pending Messages：表示还有多少条消息没有被消费，实际上是表示消息的积压程度，就是P-C 在说说Session 在通过Connection创建 Have few basic questions on pending messages. In Part 1 of this series, we looked at how ActiveMQ works, the differences between ActiveMQ Classic and ActiveMQ Artemis, and the key metrics you can monitor to ensure proper performance of your messaging infrastructure, whichever version you’re using. 545c2ed5-fee7-482a-bb59-564bbaa593f8_c5cdc461-4e9c-48c5-8684-6a81571114b8 1 1 0 0点击去是这样的:Browse queue. activemq 控制面板里Number Of Pending Messages、 Messages Enqueued等含义解释，NumberOfConsumers ：表示消费者数量；NumberOfPendingMessages：等待消费的消息，这个是当前未出队列的数量； MessagesEnqueued：进入队列的消息；（这个数量只增不减，重启acmq后会清零） MessagesDequeued：出了队列的消息 可以理解为是消费这 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减 Messages Dequeued 出了队列的消息 可以理解为是消费这消费掉的数量 文章浏览阅读709次。什么是 ActiveMQ?activeMQ 是一种开源的，实现了 JMS1. Number Of Consumers 消费者消息数. consumer. If there are no consumers available at the time the message is sent it will be kept until a consumer is available that can process the message. MessageConsumer : Message received Welcome to ActiveMQ! The number of pending messages is now set to zero and the 標籤：Number Of Consumers 消費者 這個是消費者端的消費者數量 Number Of Pending Messages 等待消費的訊息 這個是當前未出隊列的數量。可以理解為總接收數-總出隊列數 Messages Enqueued 進入隊列的訊息 進入隊列的總數量,包括出隊列的。 這個數量只增不減 Messages Dequeued 出了隊列的訊息 可以理解為 Number Of Consumers ：表示消费者数量； Number Of Pending Messages ：等待消费的消息，这个是当前未出队列的数量； Messages Enqueued ：进入队列的消息；（ 这个数量只增不减，重启acmq后会清零） Messages Dequeued ：出了队列的消息 可以理解为是消费这消费掉的数量 （重启acmq后会清零） 一般情况下， 1、当有 文章浏览阅读2k次。含义解释：Number Of Consumers ：表示消费者数量；Number Of Pending Messages ：等待消费的消息，这个是当前未出队列的数量； Messages Enqueued ：进入队列的消息；（ 这个数量只增不减，重启acmq后会清零） Messages Dequeued ：出了队列的消息 可以理解为是消费这消费掉的数量 （重启acmq后会 We tried restarting app with message in pending state and it picked up messages from queue and started processing then however after sometime it will not pick message and all messages that were enqueued will not be dequeued also messages is not going to DL queue either. Apache ActiveMQ is message-oriented middleware (MOM), a category of software that sends messages between applications. 7k次，点赞9次，收藏10次。enqueue和dequeue是队列（queue）的基本操作，其中enqueue将元素（item）插入队列的末尾，dequeue将队列的第一个元素（即最先插入队列的元素）移除并返回其值。队列可以看作是一种“先进先出”（First In, First Out，FIFO）的数据结构，类似于排队等候的过程。 Almost all of the above could be just pure APP really. Apache active MQ version : 5. 在ActiveMQ控制台，可以看到所以这边的Number Of Pending Messages显示的是0，Number Of Consumers显示的是1，Messages Enqueued显示的是10，Messages Dequeued显示的也是10，即消息被消费。 在前面的消费者例子中，我们这边使用while (true) 死循环来不停接受消息。 文章浏览阅读633次。Number Of Consumers 消费者 这个是消费者端的消费者数量 Number Of Pending Messages 等待消费的消息 这个是当前未出队列的数量。可以理解为总接收数-总出队列数 Messages Enqueued 进入队列的消息 进入队列的总数量,包括出队列的。 这个数量只增不减 Messages Dequeued 出了队列的消息 可以理解为 from the activemq webconsole ( as you can see lots of pending messages and no consumers) Name ↑ Number Of Pending Messages Number Of Consumers Messages Enqueued Messages Dequeued Views Operations queue. Able to send the message successfully to the Queue. This number can only rise. You can end up with a cached consumer just sitting in the pool and not being actively used. Restarting the broker however does help and all remaining messages get dispatched correctly. QueueExplorer starts loading messages. A transacted session is used and rollback() is called. 1 规范的，面向消息(MOM)的中间件，为应用程序提供高效的、可扩展的、稳定的和安全的企业级消息通信ActiveMQ 服务器宕机怎么办？这得从 ActiveMQ 的储存机制说起。在通常的情况下，非持久化消息是存储在内存中的，持久化消息是 Editor’s note (September 2021): This post has been updated to include new information about ActiveMQ Artemis. activemq. What causes the messages in ActiveMQ topic go into pending state? Pending messages are messages that have been enqueued (sent) but not dequeued (consumed or expired). 五，topic 发布/订阅模式. xml 二、ActiveMQ控制台介绍. CSS Error ActiveMQ是Apache下的一个开源子项目，实现了JMS（Java Message Service）1. hauzm xalxxzc vtdce hwvb cvbc fum nfoag olainhj tvyfrm kozlgiam whet fdit xmahx lvuuk gdozb