错误信息如下：
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.amqp.rabbit.config.ListenerContainerFactoryBean#0': Invocation of init method failed; nested exception is java.lang.NullPointerException
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1630)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:312)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:308)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:742)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:171)
at javax.servlet.GenericServlet.init(GenericServlet.java:160)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1193)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1088)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5176)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5460)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at org.springframework.amqp.rabbit.config.ListenerContainerFactoryBean.createContainer(ListenerContainerFactoryBean.java:533)
at org.springframework.amqp.rabbit.config.ListenerContainerFactoryBean.createInstance(ListenerContainerFactoryBean.java:411)
at org.springframework.amqp.rabbit.config.ListenerContainerFactoryBean.createInstance(ListenerContainerFactoryBean.java:61)
at org.springframework.beans.factory.config.AbstractFactoryBean.afterPropertiesSet(AbstractFactoryBean.java:134)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1688)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1626)
... 28 more
xml配置 如下：
<?xml version="1.0" encoding="UTF-8"?>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rabbit="http://www.springframework.org/schema/rabbit"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/rabbit
http://www.springframework.org/schema/rabbit/spring-rabbit-1.0.xsd"
default-lazy-init="false">
<!-- rabbitmq连接工厂 -->
<rabbit:connection-factory id="connectionFactory" username="${mq.username}" password="${mq.password}"
host="${mq.host}" port="${mq.port}" virtual-host="${mq.vhost}"/>
<rabbit:admin connection-factory="connectionFactory"/>
<!-- 定义rabbitmq服务 -->
<rabbit:template id="rabbitTemplate" connection-factory="connectionFactory" message-converter="jsonMessageConverter"/>
<!-- 使用fastjson进行类型转换 -->
<bean id="jsonMessageConverter" class="com.util.FastJsonMessageConverter"/>
<!-- 定义队列 -->
<rabbit:queue name="order.queue" durable="true" auto-delete="false" exclusive="false"/>
<!-- 定义路由并绑定队列 -->
<rabbit:direct-exchange name="order.exchange" auto-delete="false" durable="true">
<rabbit:bindings>
<rabbit:binding queue="order.queue" key="order"></rabbit:binding>
</rabbit:bindings>
</rabbit:direct-exchange>
<!-- 定义监听器 ack为自动删除模式 -->
<rabbit:listener-container connection-factory="connectionFactory" acknowledge="auto" >
<rabbit:listener ref="orderQueueListener" queues="order.queue"/>
</rabbit:listener-container>
<bean name="orderQueueListener" class="com.mq.OrderQueueListener"/>
我目前定位出是：OrderQueueListener这个类应该没有被初始化导致的。
但找不出解决办法
