Apache ActiveMQ™ is the most popular open source, multi-protocol, Java-based messaging server. It supports industry standard protocols so users get the benefits of client choices across a broad range of languages and platforms. Connectivity from C, C++, Python, .Net, and more is available. Integrate your multi-platform applications using the ubiquitous AMQP protocol. Exchange messages between your web applications using STOMP over websockets. Manage your IoT devices using MQTT. Support your existing JMS infrastructure and beyond. ActiveMQ offers the power and flexibility to support any messaging use-case.

There are currently two “flavors” of ActiveMQ available - the “classic” 5.x broker and the “next generation” Artemis broker. Once Artemis reaches a sufficient level of feature parity with the 5.x code-base it will become ActiveMQ 6. Initial migration documentation is available.

Apache ActiveMQ™ is the most popular open source, multi-protocol, Java-based messaging server. It supports industry standard protocols so users get the benefits of client choices across a broad range of languages and platforms. Connectivity from C, C++, Python, .Net, and more is available. Integrate your multi-platform applications using the ubiquitous AMQP protocol. Exchange messages between your web applications using STOMP over websockets. Manage your IoT devices using MQTT. Support your existing JMS infrastructure and beyond. ActiveMQ offers the power and flexibility to support any messaging use-case.

There are currently two “flavors” of ActiveMQ available - the “classic” 5.x broker and the “next generation” Artemis broker. Once Artemis reaches a sufficient level of feature parity with the 5.x code-base it will become ActiveMQ 6. Initial migration documentation is available.

Apache ActiveMQ™ is the most popular open source, multi-protocol, Java-based messaging server. It supports industry standard protocols so users get the benefits of client choices across a broad range of languages and platforms. Connectivity from C, C++, Python, .Net, and more is available. Integrate your multi-platform applications using the ubiquitous AMQP protocol. Exchange messages between your web applications using STOMP over websockets. Manage your IoT devices using MQTT. Support your existing JMS infrastructure and beyond. ActiveMQ offers the power and flexibility to support any messaging use-case.

There are currently two “flavors” of ActiveMQ available - the “classic” 5.x broker and the “next generation” Artemis broker. Once Artemis reaches a sufficient level of feature parity with the 5.x code-base it will become ActiveMQ 6. Initial migration documentation is available.

Apache ActiveMQ™ is the most popular open source, multi-protocol, Java-based messaging server. It supports industry standard protocols so users get the benefits of client choices across a broad range of languages and platforms. Connectivity from C, C++, Python, .Net, and more is available. Integrate your multi-platform applications using the ubiquitous AMQP protocol. Exchange messages between your web applications using STOMP over websockets. Manage your IoT devices using MQTT. Support your existing JMS infrastructure and beyond. ActiveMQ offers the power and flexibility to support any messaging use-case.

There are currently two “flavors” of ActiveMQ available - the “classic” 5.x broker and the “next generation” Artemis broker. Once Artemis reaches a sufficient level of feature parity with the 5.x code-base it will become ActiveMQ 6. Initial migration documentation is available.

Apache ActiveMQ™ is the most popular open source, multi-protocol, Java-based messaging server. It supports industry standard protocols so users get the benefits of client choices across a broad range of languages and platforms. Connectivity from C, C++, Python, .Net, and more is available. Integrate your multi-platform applications using the ubiquitous AMQP protocol. Exchange messages between your web applications using STOMP over websockets. Manage your IoT devices using MQTT. Support your existing JMS infrastructure and beyond. ActiveMQ offers the power and flexibility to support any messaging use-case.

There are currently two “flavors” of ActiveMQ available - the “classic” 5.x broker and the “next generation” Artemis broker. Once Artemis reaches a sufficient level of feature parity with the 5.x code-base it will become ActiveMQ 6. Initial migration documentation is available.

Apache ActiveMQ™ is the most popular open source, multi-protocol, Java-based messaging server. It supports industry standard protocols so users get the benefits of client choices across a broad range of languages and platforms. Connectivity from C, C++, Python, .Net, and more is available. Integrate your multi-platform applications using the ubiquitous AMQP protocol. Exchange messages between your web applications using STOMP over websockets. Manage your IoT devices using MQTT. Support your existing JMS infrastructure and beyond. ActiveMQ offers the power and flexibility to support any messaging use-case.

There are currently two “flavors” of ActiveMQ available - the “classic” 5.x broker and the “next generation” Artemis broker. Once Artemis reaches a sufficient level of feature parity with the 5.x code-base it will become ActiveMQ 6. Initial migration documentation is available.

Def of pom.xml file.

JSON是目前主流的前后端数据传输方式, SpringMVC中使用消息转化器HttpMessageConverter对JSON的转换提供了很好的支持,在SpringBoot中对相关配置做了进一步简化. HttpMessageConverter既可以将服务端返回的对象序列化为JSON串, 也可以将JSON串反序列化为对象.

常见的JSON处理器除了Jackson-databind，还有Gson和fastjson.

前者是spring/springboot处理JSON的默认的自带方案. 后两者分别由Google和阿里提供, 在使用后两者前应排除掉自身的Jackson依赖以使其生效.

张一明架构师前置知识- Chapter 13

张一明架构师前置知识- Chapter 12