Spring启动+Spring批处理多个作业创建和调度
我用Spring批处理应用程序和调度创建了一个Spring引导。当我只创建一个作业时,一切正常。但是,当我尝试使用模块化方法创建另一个作业时,我得到的错误很少,比如读卡器已经关闭,以及一些与版本相关的错误,尽管我使用的是不同的读卡器。作业和它的步骤运行了很多次,并且它们被复制了 谁能指导我如何解决这些问题,并以相互独立的并行方式运行这些作业 以下是配置类: ModularJobConfiguration.java、DeptBatchConfiguration.java和CityBatchConfiguration.java以及BatchScheduler.javaSpring启动+Spring批处理多个作业创建和调度,spring,spring-boot,spring-batch,batch-processing,job-scheduling,Spring,Spring Boot,Spring Batch,Batch Processing,Job Scheduling,我用Spring批处理应用程序和调度创建了一个Spring引导。当我只创建一个作业时,一切正常。但是,当我尝试使用模块化方法创建另一个作业时,我得到的错误很少,比如读卡器已经关闭,以及一些与版本相关的错误,尽管我使用的是不同的读卡器。作业和它的步骤运行了很多次,并且它们被复制了 谁能指导我如何解决这些问题,并以相互独立的并行方式运行这些作业 以下是配置类: ModularJobConfiguration.java、DeptBatchConfiguration.java和CityBatchConf
@Configuration
@EnableBatchProcessing(modular=true)
public class ModularJobConfiguration {
@Bean
public ApplicationContextFactory firstJob() {
return new GenericApplicationContextFactory(DeptBatchConfiguration.class);
}
@Bean
public ApplicationContextFactory secondJob() {
return new GenericApplicationContextFactory(CityBatchConfiguration.class);
}
}
@Configuration
@EnableBatchProcessing
@Import({BatchScheduler.class})
public class DeptBatchConfiguration {
private static final Logger LOGGER = LoggerFactory.getLogger(DeptBatchConfiguration.class);
@Autowired
private SimpleJobLauncher jobLauncher;
@Autowired
public JobBuilderFactory jobBuilderFactory;
@Autowired
public StepBuilderFactory stepBuilderFactory;
@Autowired
public JobExecutionListener listener;
public ItemReader<DepartmentModelReader> deptReaderSO;
@Autowired
@Qualifier("dataSourceReader")
private DataSource dataSourceReader;
@Autowired
@Qualifier("dataSourceWriter")
private DataSource dataSourceWriter;
@Scheduled(cron = "0 0/1 * * * ?")
public void performFirstJob() throws Exception {
long startTime = System.currentTimeMillis();
LOGGER.info("Job1 Started at :" + new Date());
JobParameters param = new JobParametersBuilder().addString("JobID1",String.valueOf(System.currentTimeMillis())).toJobParameters();
JobExecution execution = (JobExecution) jobLauncher.run(importDeptJob(jobBuilderFactory,stepdept(deptReaderSO,customWriter()),listener), param);
long endTime = System.currentTimeMillis();
LOGGER.info("Job1 finished at " + (endTime - startTime) / 1000 + " seconds with status :" + execution.getExitStatus());
}
@Bean
public ItemReader<DepartmentModelReader> deptReaderSO() {
//LOGGER.info("Inside deptReaderSO Method");
JdbcCursorItemReader<DepartmentModelReader> deptReaderSO = new JdbcCursorItemReader<>();
//deptReaderSO.setSql("select id, firstName, lastname, random_num from reader");
deptReaderSO.setSql("SELECT DEPT_CODE,DEPT_NAME,FULL_DEPT_NAME,CITY_CODE,CITY_NAME,CITY_TYPE_NAME,CREATED_USER_ID,CREATED_G_DATE,MODIFIED_USER_ID,MODIFIED_G_DATE,RECORD_ACTIVITY,DEPT_CLASS,DEPT_PARENT,DEPT_PARENT_NAME FROM TBL_SAMPLE_SAFTY_DEPTS");
deptReaderSO.setDataSource(dataSourceReader);
deptReaderSO.setRowMapper(
(ResultSet resultSet, int rowNum) -> {
if (!(resultSet.isAfterLast()) && !(resultSet.isBeforeFirst())) {
DepartmentModelReader recordSO = new DepartmentModelReader();
recordSO.setDeptCode(resultSet.getString("DEPT_CODE"));
recordSO.setDeptName(resultSet.getString("DEPT_NAME"));
recordSO.setFullDeptName(resultSet.getString("FULL_DEPT_NAME"));
recordSO.setCityCode(resultSet.getInt("CITY_CODE"));
recordSO.setCityName(resultSet.getString("CITY_NAME"));
recordSO.setCityTypeName(resultSet.getString("CITY_TYPE_NAME"));
recordSO.setCreatedUserId(resultSet.getInt("CREATED_USER_ID"));
recordSO.setCreatedGDate(resultSet.getDate("CREATED_G_DATE"));
recordSO.setModifiedUserId(resultSet.getString("MODIFIED_USER_ID"));
recordSO.setModifiedGDate(resultSet.getDate("MODIFIED_G_DATE"));
recordSO.setRecordActivity(resultSet.getInt("RECORD_ACTIVITY"));
recordSO.setDeptClass(resultSet.getInt("DEPT_CLASS"));
recordSO.setDeptParent(resultSet.getString("DEPT_PARENT"));
recordSO.setDeptParentName(resultSet.getString("DEPT_PARENT_NAME"));
// LOGGER.info("RowMapper record : {}", recordSO.getDeptCode() +" | "+recordSO.getDeptName());
return recordSO;
} else {
LOGGER.info("Returning null from rowMapper");
return null;
}
});
return deptReaderSO;
}
@Bean
public ItemProcessor<DepartmentModelReader, DepartmentModelWriter> processor() {
//LOGGER.info("Inside Processor Method");
return new RecordProcessor();
}
@Bean
public ItemWriter<DepartmentModelWriter> customWriter(){
//LOGGER.info("Inside customWriter Method");
return new CustomItemWriter();
}
@Bean
public Job importDeptJob(JobBuilderFactory jobs, Step stepdept,JobExecutionListener listener){
return jobs.get("importDeptJob")
.incrementer(new RunIdIncrementer())
.listener(listener())
.flow(stepdept).end().build();
}
@Bean
public Step stepdept(ItemReader<DepartmentModelReader> deptReaderSO,
ItemWriter<DepartmentModelWriter> writerSO) {
LOGGER.info("Inside stepdept Method");
return stepBuilderFactory.get("stepdept").<DepartmentModelReader, DepartmentModelWriter>chunk(5)
.reader(deptReaderSO).processor(processor()).writer(customWriter()).transactionManager(platformTransactionManager(dataSourceWriter)).build();
}
@Bean
public JobExecutionListener listener() {
return new JobCompletionNotificationListener();
}
@Bean
public JdbcTemplate jdbcTemplate(DataSource dataSource) {
return new JdbcTemplate(dataSource);
}
@Bean
public BatchWriteService batchWriteService() {
return new BatchWriteService();
}
@Bean
public PlatformTransactionManager platformTransactionManager(@Qualifier("dataSourceWriter") DataSource dataSourceWriter) {
JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setDataSource(dataSourceWriter);
return transactionManager;
}
}
@Configuration
@EnableBatchProcessing
@Import({BatchScheduler.class})
public class CityBatchConfiguration {
private static final Logger LOGGER = LoggerFactory.getLogger(CityBatchConfiguration.class);
@Autowired
private SimpleJobLauncher jobLauncher;
@Autowired
public JobBuilderFactory jobBuilderFactory;
@Autowired
public StepBuilderFactory stepBuilderFactory;
@Autowired
public JobExecutionListener listener;
public ItemReader<CitiesModelReader> citiesReaderSO;
@Autowired
@Qualifier("dataSourceReader")
private DataSource dataSourceReader;
@Autowired
@Qualifier("dataSourceWriter")
private DataSource dataSourceWriter;
@Scheduled(cron = "0 0/1 * * * ?")
public void performSecondJob() throws Exception {
long startTime = System.currentTimeMillis();
LOGGER.info("\n Job2 Started at :" + new Date());
JobParameters param = new JobParametersBuilder().addString("JobID2",String.valueOf(System.currentTimeMillis())).toJobParameters();
JobExecution execution = (JobExecution) jobLauncher.run(importCitiesJob(jobBuilderFactory,stepcity(citiesReaderSO,customCitiesWriter()),listener), param);
long endTime = System.currentTimeMillis();
LOGGER.info("Job2 finished at " + (endTime - startTime) / 1000 + " seconds with status :" + execution.getExitStatus());
}
@Bean
public ItemReader<CitiesModelReader> citiesReaderSO() {
//LOGGER.info("Inside readerSO Method");
JdbcCursorItemReader<CitiesModelReader> readerSO = new JdbcCursorItemReader<>();
readerSO.setSql("SELECT CITY_CODE,CITY_NAME,PARENT_CITY,CITY_TYPE,CITY_TYPE_NAME,CREATED_G_DATE,CREATED_USER_ID,MODIFIED_G_DATE,MODIFIED_USER_ID,RECORD_ACTIVITY FROM TBL_SAMPLE_SAFTY_CITIES");
readerSO.setDataSource(dataSourceReader);
readerSO.setRowMapper(
(ResultSet resultSet, int rowNum) -> {
if (!(resultSet.isAfterLast()) && !(resultSet.isBeforeFirst())) {
CitiesModelReader recordSO = new CitiesModelReader();
recordSO.setCityCode(resultSet.getLong("CITY_CODE"));
recordSO.setCityName(resultSet.getString("CITY_NAME"));
recordSO.setParentCity(resultSet.getInt("PARENT_CITY"));
recordSO.setCityType(resultSet.getString("CITY_TYPE"));
recordSO.setCityTypeName(resultSet.getString("CITY_TYPE_NAME"));
recordSO.setCreatedGDate(resultSet.getDate("CREATED_G_DATE"));
recordSO.setCreatedUserId(resultSet.getString("CREATED_USER_ID"));
recordSO.setModifiedGDate(resultSet.getDate("MODIFIED_G_DATE"));
recordSO.setModifiedUserId(resultSet.getString("MODIFIED_USER_ID"));
recordSO.setRecordActivity(resultSet.getInt("RECORD_ACTIVITY"));
//LOGGER.info("RowMapper record : {}", recordSO.toString());
return recordSO;
} else {
LOGGER.info("Returning null from rowMapper");
return null;
}
});
return readerSO;
}
@Bean
public ItemProcessor<CitiesModelReader,CitiesModelWriter> citiesProcessor() {
//LOGGER.info("Inside Processor Method");
return new RecordCitiesProcessor();
}
@Bean
public ItemWriter<CitiesModelWriter> customCitiesWriter(){
LOGGER.info("Inside customCitiesWriter Method");
return new CustomCitiesWriter();
}
@Bean
public Job importCitiesJob(JobBuilderFactory jobs, Step stepcity,JobExecutionListener listener) {
LOGGER.info("Inside importCitiesJob Method");
return jobs.get("importCitiesJob")
.incrementer(new RunIdIncrementer())
.listener(listener())
.flow(stepcity).end().build();
}
@Bean
public Step stepcity(ItemReader<CitiesModelReader> readerSO,
ItemWriter<CitiesModelWriter> writerSO) {
LOGGER.info("Inside stepCity Method");
return stepBuilderFactory.get("stepcity").<CitiesModelReader, CitiesModelWriter>chunk(5)
.reader(readerSO).processor(citiesProcessor()).writer(customCitiesWriter()).transactionManager(platformTransactionManager(dataSourceWriter)).build();
}
@Bean
public JobExecutionListener listener() {
return new JobCompletionNotificationListener();
}
@Bean
public JdbcTemplate jdbcTemplate(DataSource dataSource) {
return new JdbcTemplate(dataSource);
}
@Bean
public BatchWriteService batchWriteService() {
return new BatchWriteService();
}
@Bean
public PlatformTransactionManager platformTransactionManager(@Qualifier("dataSourceWriter") DataSource dataSourceWriter) {
JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setDataSource(dataSourceWriter);
return transactionManager;
}
}
@Configuration
@EnableScheduling
public class BatchScheduler {
private static final Logger LOGGER = LoggerFactory.getLogger(BatchScheduler.class);
@Bean
public ResourcelessTransactionManager resourcelessTransactionManager() {
return new ResourcelessTransactionManager();
}
@Bean
public MapJobRepositoryFactoryBean mapJobRepositoryFactory(
ResourcelessTransactionManager txManager) throws Exception {
LOGGER.info("Inside mapJobRepositoryFactory method");
MapJobRepositoryFactoryBean factory = new
MapJobRepositoryFactoryBean(txManager);
factory.afterPropertiesSet();
return factory;
}
@Bean
public JobRepository jobRepository(
MapJobRepositoryFactoryBean factory) throws Exception {
LOGGER.info("Inside jobRepository method");
return factory.getObject();
}
@Bean
public SimpleJobLauncher jobLauncher(JobRepository jobRepository) {
LOGGER.info("Inside jobLauncher method");
SimpleJobLauncher launcher = new SimpleJobLauncher();
launcher.setJobRepository(jobRepository);
final SimpleAsyncTaskExecutor simpleAsyncTaskExecutor = new SimpleAsyncTaskExecutor();
launcher.setTaskExecutor(simpleAsyncTaskExecutor);
return launcher;
}
}
您的读卡器不是线程安全的,并且没有步骤范围。因此,您会遇到并发问题。通过添加@StepScope注释,将每个有状态的ItemReader(实现ItemStream的,如JdbcCursorItemReader)配置为步骤范围,这样应该可以正常工作。1。请提供您的配置。2.听起来您的读者是有状态的,但没有步骤范围,这意味着您正在跨作业/步骤执行共享实例。您好,我已经编辑了问题,并按要求添加了配置。你能检查一下吗?嗨,我试过这么做,但没有解决问题。因此,我尝试从应用程序类的main方法运行这两个作业,而不是从DeptBatchConfiguration.java和CityBatchConfiguration.java类运行它们,但没有使读取器的步骤范围限定,它们成功运行。当我在主课上做作业时,我无法正确理解为什么它会起作用。现在,我面临着在我的主要应用课程中安排这些工作的挑战。如果你有什么建议,我欢迎你?