找不到匹配的工厂方法：工厂 bean；工厂方法“configurer()”。检查具有指定名称的方法是否存在并且它是非静态的

Question

我正在开发基于 Spring Boot Batch XML 的方法。在这个例子中，我开发了CommonConfig如下所示的。不知何故，我想对 Spring Batch 使用基于 XML 的方法，而不是使用基于注释的方法。

CommonConfig.java

@StepScope
@Configuration
@ComponentScan({ "com.XXXX" })
@EnableBatchProcessing
@ImportResource({"classpath:jobs/ABC.xml"})
public class CommonConfig {

    @Bean
    BatchConfigurer configurer(
            @Qualifier("dataSource") DataSource dataSource) {
        return new DefaultBatchConfigurer(dataSource);
    }

    @Bean
    public JobBuilderFactory jobBuilderFactory(JobRepository jobRepository) {
        return new JobBuilderFactory(jobRepository);
    }

    @Bean
    public StepBuilderFactory stepBuilderFactory(JobRepository jobRepository, PlatformTransactionManager transactionManager) {
        return new StepBuilderFactory(jobRepository, transactionManager);
    }
}

错误：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'configurer' defined in class path resource [com//config/CommonConfig.class]: No matching factory method found: factory bean 'commonConfig'; factory method 'configurer()'. Check that a method with the specified name exists and that it is non-static.
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:547) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1247) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1096) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:535) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:495) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:759) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869) ~[spring-context-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.0.8.RELEASE.jar:5.0.8.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:762) [spring-boot-2.0.4.RELEASE.jar:2.0.4.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:398) [spring-boot-2.0.4.RELEASE.jar:2.0.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:330) [spring-boot-2.0.4.RELEASE.jar:2.0.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1258) [spring-boot-2.0.4.RELEASE.jar:2.0.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1246) [spring-boot-2.0.4.RELEASE.jar:2.0.4.RELEASE]
    at com.jpaApplication.main(jpaApplication.java:18) [classes/:na]

Answer 1

我为此苦苦挣扎了大约 1/2 小时，最后将我的类从“Config”重命名为“Configurations”，并且成功了。也许某个地方还有另一个“配置”？谁知道。