FlatFileParseException Parsing class path resource error in spring batch - kotlin

Question

I want to set classPath resource of csv file . Which is present in my
project resource folder. When set the class Path and run the project I
get issue in runtime issue of classpath resource
here is the issue
org.springframework.batch.item.file.FlatFileParseException: Parsing error at line: 1 in resource=[class path resource [result-match-metadata.csv]], input=[id city date player_of_match venue neutral_venue team1 team2 toss_winner toss_decision winner result result_margin eliminator method umpire1 umpire2]
result-match-metadata.csv file is present inside my resource folder
Batchconfig.kt
package com.nilmani.dashboardipl.data
import com.nilmani.dashboardipl.entity.Match
import org.springframework.batch.core.Job
import org.springframework.batch.core.Step
import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing
import org.springframework.batch.core.configuration.annotation.JobBuilderFactory
import org.springframework.batch.core.configuration.annotation.StepBuilderFactory
import org.springframework.batch.core.launch.support.RunIdIncrementer
import org.springframework.batch.item.database.BeanPropertyItemSqlParameterSourceProvider
import org.springframework.batch.item.database.JdbcBatchItemWriter
import org.springframework.batch.item.database.builder.JdbcBatchItemWriterBuilder
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.Autowired
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import org.springframework.core.io.ClassPathResource
import javax.sql.DataSource
#Configuration
#EnableBatchProcessing
class BatchConfig {
#Autowired
private lateinit var jobBuilderFactory: JobBuilderFactory
#Autowired
private lateinit var stepBuilderFactory: StepBuilderFactory
val FIELD_NAMES = arrayOf(
"id","city","date","player_of_match","venue","neutral_venue",
"team1","team2","toss_winner","toss_decision",
"winner","result","result_margin","eliminator","method","umpire1","umpire2"
)
#Bean
fun reader(): FlatFileItemReader<MatchInput> {
return FlatFileItemReaderBuilder<MatchInput>()
.name("MatchItemReader")
.resource(ClassPathResource("result-match-metadata.csv"))
.delimited()
.names(*FIELD_NAMES)
.fieldSetMapper(object : BeanWrapperFieldSetMapper<MatchInput>() {
init {
setTargetType(MatchInput::class.java)
}
})
.build()
}
}
how to set csv file path in batch config

Answer 1

The resource is correctly found. The error means that the first line cannot be mapped to an instance of MatchInput. You just need to skip the header with FlatFileItemReaderBuilder#linesToSkip(1) in your item reader definition.