Spring 集成中的 MongodbMessageSource 抛出没有 beanFactory 的错误

Question

This is my code snippet

@Bean
@ServiceActivator(inputChannel = "topicChannel", outputChannel="responseChannel")
public Employee getEmpDetails() throws Exception {
      Expression query = new LiteralExpression("{'name' : '*****'}");
      MongoDbMessageSource source = new MongoDbMessageSource(mongoDbFactory(), query);
      source.setEntityClass(Employee.class);
      source.afterPropertiesSet();
      List<Employee> resluts =((List<Employee>)source.receive().getPayload());
      return resluts.get(0);
    }

错误如下

java.lang.RuntimeException: No beanfactory at org.springframework.integration.expression.ExpressionUtils.createStandardEvaluationContext(ExpressionUtils.java:79) at org.springframework.integration.mongodb.inbound.MongoDbMessageSource.onInit(MongoDbMessageSource.java:176) at org.springframework.integration.context.IntegrationObjectSupport.afterPropertiesSet(IntegrationObjectSupport.java:150) at com.gap.si.configuratoin.MongoDBConfiguration.getEmpDetails(MongoDBConfiguration.java:48) at com.gap.si.configuratoin.MongoDBConfiguration$$EnhancerBySpringCGLIB$e22c38.CGLIB$getEmpDetails() at com.gap.si.configuratoin.MongoDBConfiguration$$EnhancerBySpringCGLIB$e22c38$$FastClassBySpringCGLIB$782c25.invoke() at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228) at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:309) at com.gap.si.configuratoin.MongoDBConfiguration$$EnhancerBySpringCGLIB$e22c38.getEmpDetails() 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:162) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1119) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1014) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) at org.springframework.beans.factory.support.AbstractBeanFactory.getObject(AbstractBeanFactory.java:303) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) at org.springframework.integration.config.annotation.AbstractMethodAnnotationPostProcessor.resolveTargetBeanFromMethodWithBeanAnnotation(AbstractMethodAnnotationPostProcessor.java:362) at org.springframework.integration.config.annotation.ServiceActivatorAnnotationPostProcessor.createHandler(ServiceActivatorAnnotationPostProcessor.java:54) at org.springframework.integration.config.annotation.AbstractMethodAnnotationPostProcessor.postProcess(AbstractMethodAnnotationPostProcessor.java:117) at org.springframework.integration.config.annotation.MessagingAnnotationPostProcessor.doWith(MessagingAnnotationPostProcessor.java:151) at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:495) at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:502) at org.springframework.integration.config.annotation.MessagingAnnotationPostProcessor.postProcessAfterInitialization(MessagingAnnotationPostProcessor.java:131) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:422) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1579) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) at org.springframework.beans.factory.support.AbstractBeanFactory.getObject(AbstractBeanFactory.java:303) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480) at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686) at org.springframework.boot.SpringApplication.run(SpringApplication.java:320) at org.springframework.boot.SpringApplication.run(SpringApplication.java:957) at org.springframework.boot.SpringApplication.run(SpringApplication.java:946) at com.gap.si.configuratoin.Application.main(Application.java:16)

Answer 1

您也应该将 MongoDbMessageSource 定义为 @Bean，以便框架正确初始化它；调用 afterPropertiesSet() 是不够的。

此外，当 @ServiceActivator 是 @Bean 时，bean 类型必须是 MessageHandler。对于 POJO @ServiceActivator 方法，使用 @MessageEndoint.

Spring 集成中的 MongodbMessageSource 抛出没有 beanFactory 的错误

MongodbMessageSource in Spring integration is throwing error with no beanFactory

spring-integration

spring-dsl