有没有办法正确地集成spring-batch-admin和spring-boot？ [英] Is there a way to integrate spring-batch-admin and spring-boot properly?
问题描述
根据文档，春季批量管理员很容易嵌入到现有的应用。只需复制web.xml和index.jsp，然后添加所需的依赖项即可使其正常工作。
According to the documentation spring batch admin is very easy to embed into the existing application. Simply copying web.xml and index.jsp then adding needed dependencies is enough getting it to work.
但如果我想在现有的春季启动项目中使用它，那就会变得更糟。根据这个例子，配置有点hacky但它的工作原理。我尝试在配置bean中使用 @EnableBatchProcessing 注释。然后我得到以下异常。
But if I want to use it in an existing spring boot project it getting worse. According to this example the configuration is a bit hacky but it works. UNTIL I try to use @EnableBatchProcessing annotation in my configuriton bean. Then I get the following exception.
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jobBuilders' defined in class path resource [org/springframework/batch/core/configuration/annotation/SimpleBatchConfiguration.class]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.springframework.batch.core.configuration.annotation.JobBuilderFactory org.springframework.batch.core.configuration.annotation.AbstractBatchConfiguration.jobBuilders() throws java.lang.Exception] threw exception; nested exception is java.lang.ClassCastException: org.springframework.batch.core.repository.support.JobRepositoryFactoryBean$$EnhancerBySpringCGLIB$$49fa0273 cannot be cast to org.springframework.batch.core.repository.JobRepository
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:597)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1095)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:990)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:706)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:762)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:109)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:691)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:320)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:952)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:941)
at demo.Application.main(Application.java:35)
Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.springframework.batch.core.configuration.annotation.JobBuilderFactory org.springframework.batch.core.configuration.annotation.AbstractBatchConfiguration.jobBuilders() throws java.lang.Exception] threw exception; nested exception is java.lang.ClassCastException: org.springframework.batch.core.repository.support.JobRepositoryFactoryBean$$EnhancerBySpringCGLIB$$49fa0273 cannot be cast to org.springframework.batch.core.repository.JobRepository
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:188)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:586)
... 17 more
Caused by: java.lang.ClassCastException: org.springframework.batch.core.repository.support.JobRepositoryFactoryBean$$EnhancerBySpringCGLIB$$49fa0273 cannot be cast to org.springframework.batch.core.repository.JobRepository
at org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration$$EnhancerBySpringCGLIB$$b5c6eb04.jobRepository(<generated>)
at org.springframework.batch.core.configuration.annotation.AbstractBatchConfiguration.jobBuilders(AbstractBatchConfiguration.java:58)
at org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration$$EnhancerBySpringCGLIB$$b5c6eb04.CGLIB$jobBuilders$8(<generated>)
at org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration$$EnhancerBySpringCGLIB$$b5c6eb04$$FastClassBySpringCGLIB$$d88bd05f.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:312)
at org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration$$EnhancerBySpringCGLIB$$b5c6eb04.jobBuilders(<generated>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:166)
... 18 more
我的配置非常简单我有两个配置bean
My configuration is quite simple I have two configuration beans
@Configuration
@ImportResource({"classpath:/org/springframework/batch/admin/web/resources/servlet-config.xml",
"classpath:/org/springframework/batch/admin/web/resources/webapp-config.xml"})
public class BatchAdminConfiguration {
}
和
@Configuration
@EnableBatchProcessing
public class BatchImporterConfiguration {
}
当我删除@时EnableBatchProcessing并尝试使用JobBuilderFactory创建作业并使用@StepScope注释我正在获取其他ClassCastExceptions。
When I remove @EnableBatchProcessing and try to create jobs with JobBuilderFactory and use @StepScope annotation I'm getting other ClassCastExceptions.
现在我正在使用基于xml的配置来创建作业，步骤和其他bean。它运作良好但我实际上会提供xml免费配置。有没有办法轻松集成弹簧启动，弹簧批处理和弹簧批处理管理？
Now I'm using xml based configuration to create jobs, steps and other beans. It work well but I would actually preffer xml free configuration. Is there a way to easily integrate spring boot, spring batch and spring batch admin ?
推荐答案
简短的回答是你赢了'我想在Spring Batch Admin中使用 @EnableBatchProcessing 。 SBA在全球范围内提供了许多bean， @EnableBatchProcessing 也提供了这些bean。 SBA 2.0（目前正在开发中）可能填补当前存在的空白和 @EnableBatchProcessing 提供的空白（特别是提供 JobBuilderFactory 和 StepBuilderFactory ）。
The short answer is that you won't want to use @EnableBatchProcessing with Spring Batch Admin. SBA provides a number of beans on a global scale that the @EnableBatchProcessing also provides. SBA 2.0 (currently in development) will probably fill the gaps between what is currently there and what @EnableBatchProcessing provides (specifically providing the JobBuilderFactory and StepBuilderFactory).
为了让自己跑步，你应该能够（ I我自己并没有厌倦）在 META-INF / spring / batch / override / 目录中配置一个 JobBuilderFactory 和一个 StepBuilderFactory 供全球使用。从那里，您可以在 META-INF / spring / batch / jobs 目录中使用XML文件，这些文件除了 @Configuration的组件扫描之外什么都不做类。但是，由于bean的重复，请不要使用 @EnableBatchProcessing 。
To get yourself running, you should be able to (I haven't tired this myself) configure in the META-INF/spring/batch/override/ directory a JobBuilderFactory and a StepBuilderFactory for global use. From there, you can use XML files in the META-INF/spring/batch/jobs directory that do nothing more than component scan for your @Configuration classes. However, leave off the @EnableBatchProcessing because of the duplication of beans.
对于记录，这不是一个Spring引导问题，因为 @EnableBatchProcessing 是一个Spring Batch注释，而不是一个引导版本。
For the record, this isn't an Spring Boot issue since @EnableBatchProcessing is a Spring Batch annotation, not a Boot one.
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