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基于SpringBoot中activeMq的JmsTemplate的实例

转载 作者：qq735679552 更新时间：2022-09-27 22:32:09 25 4
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SpringBoot 中使用activeMq的步骤：

1、pom中引入jar包：

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< dependency >
  < groupId >org.springframework.boot</ groupId >
  < artifactId >spring-boot-starter-web</ artifactId >
</ dependency >
< dependency >
  < groupId >org.springframework.boot</ groupId >
  < artifactId >spring-boot-starter-activemq</ artifactId >
</ dependency >
< dependency >
< groupId >org.apache.activemq</ groupId >
< artifactId >activemq-pool</ artifactId >
<!-- <version>5.7.0</version> -->
</ dependency >

2、spring boot配置文件中配置activeMq

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spring.activemq.broker-url=tcp: //localhost:61616
spring.activemq.user=admin
spring.activemq.password=admin
spring.activemq.in-memory= true
spring.activemq.pool.enabled= false

3、Application 中添加对应的bean生成规则

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package com.telligen.ascertain;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.jms.core.JmsMessagingTemplate;
import org.springframework.jms.core.JmsTemplate;
import javax.jms.ConnectionFactory;
 
@SpringBootApplication
public class ApproveApplication {
 
     public static void main(String[] args) {
         SpringApplication.run(ApproveApplication. class , args);
     }
 
     @Bean
     public ConnectionFactory connectionFactory(){
         System.out.println( "aaaaaaaaaaaaaaaaaaaaaa" );
         ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory();
         connectionFactory.setBrokerURL( "tcp://localhost:61616" );
         connectionFactory.setUserName( "admin" );
         connectionFactory.setPassword( "admin" );
         return connectionFactory;
     }
     @Bean
     public JmsTemplate genJmsTemplate(){
         System.out.println( "aaaaaaaaaaaaaaaaaaaaaabbbbbbbbb" );
         return new JmsTemplate(connectionFactory());
     }
     @Bean
     public JmsMessagingTemplate jmsMessageTemplate(){
         System.out.println( "ccccccccccccc" );
         return new JmsMessagingTemplate(connectionFactory());
     }
 
}

4、发送消息

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package com.telligen.ascertain.approve.common.util.network;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.jms.core.JmsMessagingTemplate;
import org.springframework.stereotype.Component;
 
@Component
@Scope ( "singleton" )
public class ActiveMqUtil   {
     private Logger logger = Logger.getLogger(ActiveMqUtil. class );
 
     @Autowired
     private JmsMessagingTemplate jmsMessagingTemplate;
 
     public void sendMsg(String destinationName ,String message){
         logger.info( "发送 消息到消息队列" );
         jmsMessagingTemplate.convertAndSend(destinationName,message);
     }
}

遇到的问题:

jmsMessagingTemplate 注入不成功，spring初始化错误，异常如下，只要按照步骤三就可以了:

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Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jmsTemplate' defined in class path resource [org/springframework/boot/autoconfigure/jms/JmsAutoConfiguration$JmsTemplateConfiguration. class ]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.jms.core.JmsTemplate]: Factory method 'jmsTemplate' threw exception; nested exception is java.lang.NoSuchMethodError: org.springframework.jms.core.JmsTemplate.setDeliveryDelay(J)V
     at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java: 590 )
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java: 1256 )
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java: 1105 )
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java: 543 )
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java: 503 )
     at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$ 0 (AbstractBeanFactory.java: 317 )
     at org.springframework.beans.factory.support.AbstractBeanFactory$$Lambda$ 112 / 1129944640 .getObject(Unknown Source)
     at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java: 222 )
     at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java: 315 )
     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java: 199 )
     at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java: 760 )
     at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java: 869 )
     at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java: 550 )
     at org.springframework.boot.SpringApplication.refresh(SpringApplication.java: 759 )
     at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java: 395 )
     at org.springframework.boot.SpringApplication.run(SpringApplication.java: 327 )
     at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java: 139 )
     at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java: 99 )
     at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java: 117 )
     ... 29 more
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.jms.core.JmsTemplate]: Factory method 'jmsTemplate' threw exception; nested exception is java.lang.NoSuchMethodError: org.springframework.jms.core.JmsTemplate.setDeliveryDelay(J)V
     at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java: 185 )
     at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java: 582 )
     ... 47 more
Caused by: java.lang.NoSuchMethodError: org.springframework.jms.core.JmsTemplate.setDeliveryDelay(J)V
     at java.lang.invoke.MethodHandleNatives.resolve(Native Method)
     at java.lang.invoke.MemberName$Factory.resolve(MemberName.java: 965 )
     at java.lang.invoke.MemberName$Factory.resolveOrFail(MemberName.java: 990 )
     at java.lang.invoke.MethodHandles$Lookup.resolveOrFail(MethodHandles.java: 1385 )
     at java.lang.invoke.MethodHandles$Lookup.linkMethodHandleConstant(MethodHandles.java: 1726 )
     at java.lang.invoke.MethodHandleNatives.linkMethodHandleConstant(MethodHandleNatives.java: 442 )
     at org.springframework.boot.autoconfigure.jms.JmsAutoConfiguration$JmsTemplateConfiguration.mapTemplateProperties(JmsAutoConfiguration.java: 91 )
     at org.springframework.boot.autoconfigure.jms.JmsAutoConfiguration$JmsTemplateConfiguration.jmsTemplate(JmsAutoConfiguration.java: 83 )
     at org.springframework.boot.autoconfigure.jms.JmsAutoConfiguration$JmsTemplateConfiguration$$EnhancerBySpringCGLIB$$654aefcc.CGLIB$jmsTemplate$ 0 (<generated>)
     at org.springframework.boot.autoconfigure.jms.JmsAutoConfiguration$JmsTemplateConfiguration$$EnhancerBySpringCGLIB$$654aefcc$$FastClassBySpringCGLIB$$6b82ee57.invoke(<generated>)
     at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java: 228 )
     at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java: 361 )
     at org.springframework.boot.autoconfigure.jms.JmsAutoConfiguration$JmsTemplateConfiguration$$EnhancerBySpringCGLIB$$654aefcc.jmsTemplate(<generated>)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 62 )
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 43 )
     at java.lang.reflect.Method.invoke(Method.java: 483 )
     at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java: 154 )
     ... 48 more

Springboot整合activemq时报jmsMessagingTemplate未加载错误

错误现象 。

Bean method ‘jmsMessagingTemplate' in ‘JmsAutoConfiguration.MessagingTemplateConfiguration' not loaded because Ancestor org.springframework.boot.autoconfigure.jms.JmsAutoConfiguration did not match 。

网上解决方案 。

网上最多的方案是：application.properties中配置项的行尾有空格。检查没有，排除了这种可能.

第二种解决方案是：按如下方式将配置spring.activemq.pool.enabled改为false 。

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spring.activemq.pool.enabled= false

启动springboot是不报错了，但是要发的消息也没进队列。至于为什么就不报错了，还没搞明白。如有高人请指点一二.

解决方案

查看ActiveMQConnectionFactoryConfiguration类,自动配置发现需要引入下面这个依赖:

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< dependency >
        < groupId >org.messaginghub</ groupId >
        < artifactId >pooled-jms</ artifactId >
        < version >1.0.3</ version >
</ dependency >

将依赖引入pom，再启动springboot，搞定！ 。

以上为个人经验，希望能给大家一个参考，也希望大家多多支持我.

原文链接：https://blog.csdn.net/xiaoluo5238/article/details/81202642 。

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