예제(2) 엑셀 파일이 안 읽어집니다..

package springbatch.batch.job.file;

import lombok.RequiredArgsConstructor;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.Step;
import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
import org.springframework.batch.core.configuration.annotation.StepBuilderFactory;
import org.springframework.batch.core.configuration.annotation.StepScope;
import org.springframework.batch.item.ItemProcessor;
import org.springframework.batch.item.database.JpaItemWriter;
import org.springframework.batch.item.database.builder.JpaItemWriterBuilder;
import org.springframework.batch.item.file.FlatFileItemReader;
import org.springframework.batch.item.file.builder.FlatFileItemReaderBuilder;
import org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import springbatch.batch.chunk.processor.FileItemProcessor;
import springbatch.batch.domain.Product;
import springbatch.batch.domain.ProductVO;

import javax.persistence.EntityManagerFactory;

@Configuration
@RequiredArgsConstructor
public class FileJobConfiguration {

    private final JobBuilderFactory jobBuilderFactory;
    private final StepBuilderFactory stepBuilderFactory;
    private final EntityManagerFactory entityManagerFactory;

    @Bean
    public Job fileJob() {
        return jobBuilderFactory.get("fileJob")
                .start(fileStep1())
                .build();
    }

    @Bean
    public Step fileStep1() {
        return stepBuilderFactory.get("fileStep1")
                .<ProductVO, Product>chunk(10)
                .reader(fileItemReader(null))
                .processor(fileItemProcessor())
                .writer(fileItemWriter())
                .build();
    }

    @Bean
    @StepScope
    public FlatFileItemReader<ProductVO> fileItemReader(@Value("#{jobParameters['requestDate']}") String requestDate) {
        return new FlatFileItemReaderBuilder<ProductVO>()
                .name("flatFile")
                .resource(new ClassPathResource("product_" + requestDate +".csv"))
                .fieldSetMapper(new BeanWrapperFieldSetMapper<>())
                .targetType(ProductVO.class)
                .linesToSkip(1)
                .delimited().delimiter(",")
                .names("id","name","price","type")
                .build();
    }

    @Bean
    public ItemProcessor<ProductVO, Product> fileItemProcessor() {
        return new FileItemProcessor();
    }

    @Bean
    public JpaItemWriter<Product> fileItemWriter() {
        return new JpaItemWriterBuilder<Product>()
                .entityManagerFactory(entityManagerFactory)
                .usePersist(true)
                .build();
    }
}

application.yml

spring:
  profiles:
    active: mysql
  jpa:
    hibernate:
      ddl-auto: update
    database-platform: org.hibernate.dialect.MySQL5InnoDBDialect
    show-sql: true
    open-in-view: false
    properties:
      hibernate.format_sql: true

---
spring:
  config:
    activate:
      on-profile: mysql
  datasource:
    hikari:
      jdbc-url: jdbc:mysql://localhost:3306/springbatch?useUnicode=true&character_set_server=utf8mb4
      username: root
      password: ----
      driver-class-name: com.mysql.cj.jdbc.Driver
  batch:
    job:
      names: ${job.name:NONE}
      enabled: false
    jdbc:
      initialize-schema: always

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.5.2</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>spring-batch</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>spring-batch</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>17</java.version>
    </properties>
    <dependencies>

        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-batch -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-batch</artifactId>
            <version>2.5.2</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.modelmapper</groupId>
            <artifactId>modelmapper</artifactId>
            <version>2.4.4</version>
        </dependency>

        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.5.13</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.mysql/mysql-connector-j -->
        <dependency>
            <groupId>com.mysql</groupId>
            <artifactId>mysql-connector-j</artifactId>
            <version>9.0.0</version>
        </dependency>


        <dependency>
            <groupId>com.h2database</groupId>
            <artifactId>h2</artifactId>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-oxm</artifactId>
            <version>5.3.7</version>
        </dependency>

        <dependency>
            <groupId>com.thoughtworks.xstream</groupId>
            <artifactId>xstream</artifactId>
            <version>1.4.20</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-quartz</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.5.13</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.batch</groupId>
            <artifactId>spring-batch-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

잘 작성한거 같은데, 디버그 중단점 걸어놓아도 안걸러지네요ㅠㅠ 원인을 모르겠습니다..

requestDate 부분이랑 fileItemReader이 동작을 안하는거 같습니다.

인프런 커뮤니티 질문&답변