Spring boot 要在没有数据源的情况下配置作业吗
在SpringbatchConfiguration类中配置数据源时,我能够运行Springbatch应用程序。但我不想配置数据源。因此,我使用了ResourceleStransactionManager。请参见下面我的配置类。有人指导我如何在不将Datasource配置为Batchjob配置的一部分的情况下启动作业Spring boot 要在没有数据源的情况下配置作业吗,spring-boot,spring-batch,Spring Boot,Spring Batch,在SpringbatchConfiguration类中配置数据源时,我能够运行Springbatch应用程序。但我不想配置数据源。因此,我使用了ResourceleStransactionManager。请参见下面我的配置类。有人指导我如何在不将Datasource配置为Batchjob配置的一部分的情况下启动作业 @Configuration @EnableBatchProcessing @EnableAutoConfiguration //@EnableAutoConfiguration(e
@Configuration
@EnableBatchProcessing
@EnableAutoConfiguration
//@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})
public class SprintgBatchConfiguration {
/*@Autowired
private DBConfiguration dbConfig;*/
/*@Autowired
private DataSource dataSource;
@Autowired
private DataSourceTransactionManager transactionManager;
*/
//Tomcat relaated configuration//
@Bean
public MultipartConfigElement multipartConfigElement() {
MultipartConfigFactory factory = new MultipartConfigFactory();
factory.setMaxFileSize("124MB");
factory.setMaxRequestSize("124MB");
return factory.createMultipartConfig();
}
@Bean(name="csvjob")
public Job job(JobBuilderFactory jobBuilderFactory,StepBuilderFactory stepBuilderFactory,ItemReader<List<CSVPojo>> itemReader,ItemProcessor<List<CSVPojo>,CsvWrapperPojo> itemProcessor,AmqpItemWriter<CsvWrapperPojo> itemWriter){
Step step=stepBuilderFactory.get("ETL-CSV").<List<CSVPojo>,CsvWrapperPojo>chunk(100)
.reader(itemReader)
.processor(itemProcessor)
.writer(itemWriter)
.build();
Job csvJob= jobBuilderFactory.get("ETL").incrementer(new RunIdIncrementer())
.start(step).build();
return csvJob;
}
@Bean(name="exceljob")
public Job jobExcel(JobBuilderFactory jobBuilderFactory,StepBuilderFactory stepBuilderFactory,ItemReader<List<ExcelPojo>> itemReader,ItemProcessor<List<ExcelPojo>,ExcelWrapperPojo> itemProcessor,AmqpItemWriter<ExcelWrapperPojo> itemWriter){
Step step=stepBuilderFactory.get("ETL-Excel").<List<ExcelPojo>,ExcelWrapperPojo>chunk(100)
.reader(itemReader)
.processor(itemProcessor)
.writer(itemWriter)
.build();
Job ExcelJob= jobBuilderFactory.get("ETL-Excel").incrementer(new RunIdIncrementer())
.start(step).build();
return ExcelJob;
}
/*@Override
public void setDataSource(DataSource dataSource){
System.out.println("overriden");
}*/
/*@Bean
public FlatFileItemReader<CSVPojo> fileItemReader(Resource resource){
return null;
}*/
/*@Bean(name="dataSource")
public DataSource dataSource() throws SQLException
{
//BasicDataSource dataSource = new BasicDataSource();
return dataSource;
}*/
@Bean(name="transactionManager")
public ResourcelessTransactionManager transactionManager() throws SQLException{
return new ResourcelessTransactionManager();
}
/*@Bean(name="transactionManager")
public DataSourceTransactionManager transactionManager() throws SQLException{
DataSourceTransactionManager transactionManager = new DataSourceTransactionManager(this.dataSource());
return transactionManager;
}*/
/*@Bean
public JobRepository jobRepository() throws Exception{
JobRepositoryFactoryBean factoryBean = new JobRepositoryFactoryBean();
factoryBean.setDatabaseType("ORACLE");
factoryBean.setDataSource(dataSource);
factoryBean.setTransactionManager(transactionManager);
factoryBean.setIsolationLevelForCreate("ISOLATION_READ_UNCOMMITTED");
return factoryBean.getObject();
}*/
@Bean
public JobRepository jobRepository(ResourcelessTransactionManager transactionManager) throws Exception {
MapJobRepositoryFactoryBean mapJobRepositoryFactoryBean = new MapJobRepositoryFactoryBean(transactionManager);
mapJobRepositoryFactoryBean.setTransactionManager(transactionManager);
return mapJobRepositoryFactoryBean.getObject();
}
}
@配置
@启用批处理
@启用自动配置
//@EnableAutoConfiguration(排除={DataSourceAutoConfiguration.class})
公共类SprintgBatchConfiguration{
/*@自动连线
私有数据库配置数据库配置*/
/*@自动连线
私有数据源;
@自动连线
私有数据源transactionManager transactionManager;
*/
//Tomcat相关配置//
@豆子
公共MultipartConfigElement MultipartConfigElement(){
MultipartConfigFactory工厂=新的MultipartConfigFactory();
setMaxFileSize(“124MB”);
factory.setMaxRequestSize(“124MB”);
返回factory.createMultipartConfig();
}
@Bean(name=“csvjob”)
公共作业作业(JobBuilderFactory JobBuilderFactory、StepBuilderFactory StepBuilderFactory、ItemReader ItemReader、ItemProcessor ItemProcessor、AmqItemWriter itemWriter itemWriter){
Step Step=stepBuilderFactory.get(“ETL-CSV”).chunk(100)
.reader(itemReader)
.processor(项目处理器)
.writer(项目编写器)
.build();
Job csvJob=jobBuilderFactory.get(“ETL”).incrementer(新的RunIdIncrementer())
.start(步骤).build();
返回csvJob;
}
@Bean(name=“exceljob”)
公共作业jobExcel(JobBuilderFactory JobBuilderFactory、StepBuilderFactory StepBuilderFactory、ItemReader ItemReader、ItemProcessor ItemProcessor、AmqItemWriter itemWriter itemWriter){
Step-Step=stepBuilderFactory.get(“ETL Excel”).chunk(100)
.reader(itemReader)
.processor(项目处理器)
.writer(项目编写器)
.build();
Job ExcelJob=jobBuilderFactory.get(“ETL Excel”).incrementer(新的RunIdIncrementer())
.start(步骤).build();
返回工作岗位;
}
/*@凌驾
public void setDataSource(数据源数据源){
System.out.println(“覆盖”);
}*/
/*@豆子
公共FlatFileItemReader fileItemReader(资源){
返回null;
}*/
/*@Bean(name=“dataSource”)
公共数据源DataSource()引发SQLException
{
//BasicDataSource数据源=新的BasicDataSource();
返回数据源;
}*/
@Bean(name=“transactionManager”)
public ResourcesTranslationManager transactionManager()引发SQLException{
返回新的ResourcesTransactionManager();
}
/*@Bean(name=“transactionManager”)
公共数据源transactionManager transactionManager()引发SQLException{
DataSourceTransactionManager transactionManager=新的DataSourceTransactionManager(this.dataSource());
返回事务管理器;
}*/
/*@豆子
public JobRepository JobRepository()引发异常{
JobRepositoryFactoryBean factoryBean=新的JobRepositoryFactoryBean();
setDatabaseType(“ORACLE”);
setDataSource(dataSource);
setTransactionManager(transactionManager);
setIsolationLevelForCreate(“隔离读取未提交”);
返回factoryBean.getObject();
}*/
@豆子
public JobRepository JobRepository(ResourceLessTranslationManager transactionManager)引发异常{
MapJobRepositoryFactoryBean MapJobRepositoryFactoryBean=新的MapJobRepositoryFactoryBean(transactionManager);
mapJobRepositoryFactoryBean.setTransactionManager(transactionManager);
返回mapJobRepositoryFactoryBean.getObject();
}
}
但当我运行应用程序时,我会遇到以下异常
ationConfigEmbeddedWebApplicationContext:在上下文初始化期间遇到异常-取消刷新尝试:org.springframework.beans.factory.unsatifiedPendencyException:创建名为“fileProcessController”的bean时出错:通过字段“jobLauncher”表示的未满足的依赖关系;嵌套异常为org.springframework.beans.factory.UnsatisfiedDependencyException:创建名为“org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration”的bean时出错:通过字段“dataSources”表示的未满足的依赖关系;嵌套异常为org.springframework.beans.factory.BeanCreationException:使用类路径资源[org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Tomcat.class]中定义的名称“dataSource”创建bean时出错:通过工厂方法实例化bean失败;嵌套异常为org.springframework.beans.BeanInstantiationException:未能实例化[org.apache.tomcat.jdbc.pool.DataSource]:工厂方法“DataSource”引发异常;嵌套异常为org.springframework.boot.autoconfigure.jdbc.DataSourceProperties$DataSourceBeanCreationException:无法确定数据库类型NONE的嵌入式数据库驱动程序类。如果您想要一个嵌入式数据库,请在类路径上放置一个受支持的数据库。如果要从特定配置文件加载数据库设置,则可能需要激活它(当前没有激活的配置文件)
提前感谢 Spring Boot用于构建生产级应用程序。当它用于构建Spring批处理应用程序时,它需要一个数据源来持久化Spring批处理元数据(请参阅) 但您始终可以使用以下任一选项:
- Spring Boot(H2、HSQL或Derby)支持的嵌入式数据源,只需将其添加到类路径中即可。Spring Batch将自动拾取此数据源
- 或者提供自定义的
并使用BatchConfigurer
(请参阅)MapJobRepository