我有下一个 Spring 批量配置类:
@Configuration
@EnableBatchProcessing
public class BatchJobConfiguration {
@Autowired
private JobBuilderFactory jobBuilderFactory;
@Autowired
private StepBuilderFactory stepBuilderFactory;
@Bean
public Step step1() {
return stepBuilderFactory.get("step1")
.tasklet(new Tasklet() {
public RepeatStatus execute(StepContribution contribution, ChunkContext chunkContext) {
return null;
}
})
.build();
}
@Bean
public Job job(Step step1) throws Exception {
return jobBuilderFactory.get("job1")
.incrementer(new RunIdIncrementer())
.start(step1)
.build();
}
}
当我开始我的应用程序时,我收到下一个异常:
Caused by: java.lang.ClassCastException: org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean$$EnhancerBySpringCGLIB$$65a19538 cannot be cast to org.springframework.batch.core.repository.JobRepository at org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration$$EnhancerBySpringCGLIB$$14f7a80d.jobRepository() at org.springframework.batch.core.configuration.annotation.AbstractBatchConfiguration.jobBuilders(AbstractBatchConfiguration.java:58) at org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration$$EnhancerBySpringCGLIB$$14f7a80d.CGLIB$jobBuilders$6() at org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration$$EnhancerBySpringCGLIB$$14f7a80d$$FastClassBySpringCGLIB$$c6b630d7.invoke() 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$$EnhancerBySpringCGLIB$$14f7a80d.jobBuilders() 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:497) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
在 pom.xml 中我有下一个依赖项:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-batch</artifactId>
</dependency>
提前致谢。
最佳答案
JobRepository 实例需要重命名,否则 Spring 上下文将找到不正确的 Autowiring 候选者。
关于java - Spring Batch配置异常,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32103284/