У меня есть Spring Spring, написанный с использованием Spring boot.Моя партия только читает из MongoDB и печатает запись.Я не использую SQL-БД и не имею никаких зависимостей, объявленных в проекте, но во время работы я получаю следующее исключение:
s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'batchConfigurer' defined in class path resource [org/springframework/boot/autoconfigure/batch/BatchConfigurerConfiguration$JdbcBatchConfiguration.class]: Unsatisfied dependency expressed through method 'batchConfigurer' parameter 1; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'javax.sql.DataSource' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {}
o.s.j.e.a.AnnotationMBeanExporter : Unregistering JMX-exposed beans on shutdown
ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2018-06-01 10:43:39.485 ERROR 15104 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
***************************
APPLICATION FAILED TO START
***************************
Description:
Parameter 1 of method batchConfigurer in org.springframework.boot.autoconfigure.batch.BatchConfigurerConfiguration$JdbcBatchConfiguration required a bean of type 'javax.sql.DataSource' that could not be found.
- Bean method 'dataSource' not loaded because @ConditionalOnProperty (spring.datasource.jndi-name) did not find property 'jndi-name'
- Bean method 'dataSource' not loaded because @ConditionalOnClass did not find required class 'javax.transaction.TransactionManager'
Action:
Consider revisiting the conditions above or defining a bean of type 'javax.sql.DataSource' in your configuration.
В своем файле pom.xml я добавил следующие зависимости:
spring-boot-starter-batch
spring-boot-starter-data-mongodb
spring-boot-starter-test
spring-batch-test
Вот мой класс конфигурации пакета:
@Configuration
@EnableBatchProcessing
public class BatchConfig {
@Autowired
private JobBuilderFactory jobBuilderFactory;
@Autowired
private StepBuilderFactory stepBuilderFactory;
@Autowired
private MongoTemplate mongoTemplate;
@Bean
public Job job() throws Exception {
return jobBuilderFactory.get("job1").flow(step1()).end().build();
}
@Bean
public Step step1() throws Exception {
return stepBuilderFactory.get("step1").<BasicDBObject, BasicDBObject>chunk(10).reader(reader())
.writer(writer()).build();
}
@Bean
public ItemReader<BasicDBObject> reader() {
MongoItemReader<BasicDBObject> reader = new MongoItemReader<BasicDBObject>();
reader.setTemplate(mongoTemplate);
reader.setCollection("test");
reader.setQuery("{'status':1}");
reader.setSort(new HashMap<String, Sort.Direction>() {
{
put("_id", Direction.ASC);
}
});
reader.setTargetType((Class<? extends BasicDBObject>) BasicDBObject.class);
return reader;
}
public ItemWriter<BasicDBObject> writer() {
MongoItemWriter<BasicDBObject> writer = new MongoItemWriter<BasicDBObject>();
return writer;
}
}
Вот мой класс запуска:
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)
public class MyBatchApplication {
...
}