我遵循了一个使用 Spring Boot(版本 1.4.X)设置和运行嵌入式 ActiveMQ 的简单示例。这是示例的链接https://spring.io/guides/gs/messaging-jms/
我的课程结构如下:
@SpringBootApplication
@EnableJms
public class Application {
@Autowired
ConfigurableApplicationContext context;
@Bean
JmsListenerContainerFactory<?> myJmsContainerFactory(ConnectionFactory connectionFactory) {
SimpleJmsListenerContainerFactory factory = new SimpleJmsListenerContainerFactory();
factory.setConnectionFactory(connectionFactory);
return factory;
}
@JmsListener(destination = "mailbox-destination", containerFactory = "myJmsContainerFactory")
public void receiveMessage(String message) {
System.out.println("Message received: " + message);
context.close();
}
public static void main(String[] args) throws Exception {
FileSystemUtils.deleteRecursively(new File("active-data"));
ConfigurableApplicationContext context = SpringApplication.run(Application.class, args);
JmsTemplate template = context.getBean(JmsTemplate.class);
MessageCreator messageCreator = new MessageCreator() {
public Message createMessage(Session session) throws JMSException {
return session.createTextMessage("Test");
}
};
template.send("mailbox-destination", messageCreator);
}
}
和 build.gradle 如下所示:
apply plugin: 'java'
apply plugin: 'maven'
group = 'jms.activemq'
version = '0.0.1-SNAPSHOT'
description = """jms.activemq"""
sourceCompatibility = 1.5
targetCompatibility = 1.5
repositories {
maven { url "http://repo.maven.apache.org/maven2" }
}
dependencies {
compile group: 'org.springframework.boot', name: 'spring-boot-starter-activemq', version:'1.4.0.RELEASE'
testCompile(group: 'org.springframework.boot', name: 'spring-boot-starter-test', version:'1.4.0.RELEASE') {
exclude(module: 'commons-logging')
}
}
到目前为止一切正常(只要我将 application.properties 留空),但是如果我尝试通过将以下内容添加到 application.properties 文件来配置代理 url(以便远程客户端可以连接):
spring.activemq.broker-url=tcp://localhost:61616
spring.activemq.user=admin
spring.activemq.password=admin
我得到一个例外:
2016-08-03 12:46:00.938 WARN 88180 --- [ main] s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Failed to start bean 'org.springframework.jms.config.internalJmsListenerEndpointRegistry'; nested exception is org.springframework.jms.UncategorizedJmsException: Uncategorized exception occurred during JMS processing; nested exception is javax.jms.JMSException: Could not connect to broker URL: tcp://localhost:61616. Reason: java.net.ConnectException: Connection refused: connect
2016-08-03 12:46:00.939 INFO 88180 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Unregistering JMX-exposed beans on shutdown
2016-08-03 12:46:00.945 INFO 88180 --- [ main] utoConfigurationReportLoggingInitializer :
org.springframework.context.ApplicationContextException: Failed to start bean 'org.springframework.jms.config.internalJmsListenerEndpointRegistry'; nested exception is org.springframework.jms.UncategorizedJmsException: Uncategorized exception occurred during JMS processing; nested exception is javax.jms.JMSException: Could not connect to broker URL: tcp://localhost:61616. Reason: java.net.ConnectException: Connection refused: connect
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:176) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:51) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:346) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:149) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:112) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:874) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) [spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369) [spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:313) [spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185) [spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174) [spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
at jms.activemq.Application.main(Application.java:37) [main/:na]
Caused by: org.springframework.jms.UncategorizedJmsException: Uncategorized exception occurred during JMS processing; nested exception is javax.jms.JMSException: Could not connect to broker URL: tcp://localhost:61616. Reason: java.net.ConnectException: Connection refused: connect
at org.springframework.jms.support.JmsUtils.convertJmsAccessException(JmsUtils.java:316) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.jms.support.JmsAccessor.convertJmsAccessException(JmsAccessor.java:169) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.jms.listener.AbstractJmsListeningContainer.start(AbstractJmsListeningContainer.java:273) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.jms.config.JmsListenerEndpointRegistry.startIfNecessary(JmsListenerEndpointRegistry.java:243) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.jms.config.JmsListenerEndpointRegistry.start(JmsListenerEndpointRegistry.java:206) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:173) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE]
... 12 common frames omitted
Caused by: javax.jms.JMSException: Could not connect to broker URL: tcp://localhost:61616. Reason: java.net.ConnectException: Connection refused: connect
at org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:36) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:373) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:303) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.ActiveMQConnectionFactory.createConnection(ActiveMQConnectionFactory.java:243) ~[activemq-client-5.13.4.jar:5.13.4]
at org.springframework.jms.support.JmsAccessor.createConnection(JmsAccessor.java:180) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.jms.listener.AbstractJmsListeningContainer.createSharedConnection(AbstractJmsListeningContainer.java:413) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.jms.listener.AbstractJmsListeningContainer.establishSharedConnection(AbstractJmsListeningContainer.java:381) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.jms.listener.AbstractJmsListeningContainer.doStart(AbstractJmsListeningContainer.java:285) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.jms.listener.SimpleMessageListenerContainer.doStart(SimpleMessageListenerContainer.java:210) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.jms.listener.AbstractJmsListeningContainer.start(AbstractJmsListeningContainer.java:270) ~[spring-jms-4.3.2.RELEASE.jar:4.3.2.RELEASE]
... 15 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[na:1.8.0_92]
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) ~[na:1.8.0_92]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_92]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_92]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_92]
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_92]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_92]
at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_92]
at org.apache.activemq.transport.tcp.TcpTransport.connect(TcpTransport.java:525) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.transport.tcp.TcpTransport.doStart(TcpTransport.java:488) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.util.ServiceSupport.start(ServiceSupport.java:55) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.transport.AbstractInactivityMonitor.start(AbstractInactivityMonitor.java:168) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.transport.InactivityMonitor.start(InactivityMonitor.java:52) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:58) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.transport.WireFormatNegotiator.start(WireFormatNegotiator.java:72) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:58) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:58) ~[activemq-client-5.13.4.jar:5.13.4]
at org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:353) ~[activemq-client-5.13.4.jar:5.13.4]
... 23 common frames omitted
我查看了一些链接,但仍然无法确定导致问题的原因。非常感谢一些有帮助的见解或材料。
我最初的想法是 Spring Boot 将读取这些值并使用它们来配置 ActiveMQ 代理,但看起来它使用这些值连接到代理(代理已经配置了不同的设置)。如何更改代理配置,以便外部客户端(不是从与代理相同的 JVM 运行)可以使用 tcp://localhost:61616 访问代理
UPDATE:
我遵循了嵌入列出的经纪人的方法之一here并能够嵌入具有所需 URL 的代理并能够连接到它。然而,我最终似乎拥有了两个代理,因为 Spring Boot 似乎仍然像以前一样继续创建一个代理。
基本上,我只是在调用 SpringApplication.run(Application.class, args); 之前添加这段代码并在 main 方法的开头添加
BrokerService broker = new BrokerService();
broker.addConnector("tcp://localhost:61617");
broker.setPersistent(false);
broker.start();
有两个代理实例(我相信)正在运行,感觉根本不对。
1)这是嵌入经纪人的正确方法吗
2)如果是这样,我怎样才能阻止Spring Boot启动另一个? (无需删除 spring-boot-starter-activemq 依赖项)。
提前致谢。