基于SpringBoot中activeMq的JmsTemplate的实例
更新时间：2021年07月31日 09:51:50 作者：xiaoluo5238
这篇文章主要介绍了基于SpringBoot中activeMq的JmsTemplate的实例问题，具有很好的参考价值，希望对大家有所帮助。如有错误或未考虑完全的地方，望不吝赐教
SpringBoot 中使用activeMq的步骤：
1、pom中引入jar包：
<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
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
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
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：
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
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：
<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脚本之家。
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