인프런 커뮤니티 질문&답변

JPAQueryFactory queryFactory = new JPAQueryFactory(em);

부분에서
Cannot resolve constructor 'JPAQueryFactory(EntityManager)'

오류가 생기는데 원인을 모르겠어요

아래는 현재 설정입니다.

스프링 생성

build.gradle 소스

plugins {
    id 'java'
    id 'org.springframework.boot' version '3.3.5'
    id 'io.spring.dependency-management' version '1.1.6'
    //querydsl 추가
    id "com.ewerk.gradle.plugins.querydsl" version "1.0.10"
}

group = 'study'
version = '0.0.1-SNAPSHOT'

java {
    toolchain {
       languageVersion = JavaLanguageVersion.of(17)
    }
}

configurations {
    compileOnly {
       extendsFrom annotationProcessor
    }
}

repositories {
    mavenCentral()
}

dependencies {
    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
    implementation 'org.springframework.boot:spring-boot-starter-web'
    compileOnly 'org.projectlombok:lombok'

    //querydsl 추가
    implementation 'com.querydsl:querydsl-jpa'
    annotationProcessor 'com.querydsl:querydsl-apt:5.0.0:jpa'

    implementation 'mysql:mysql-connector-java:8.0.33' // MySQL 드라이버 최신 버전 사용
    implementation 'com.github.gavlyukovskiy:p6spy-spring-boot-starter:1.9.0' // 쿼리 파라미터 로그 표시 (성능에 영향을 줄 수 있음)

//  runtimeOnly 'com.mysql:mysql-connector-j'
    annotationProcessor 'org.projectlombok:lombok'
    testImplementation 'org.springframework.boot:spring-boot-starter-test'
    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
}

tasks.named('test') {
    useJUnitPlatform()
}

//querydsl 추가 시작
def querydslDir = "$buildDir/generated/querydsl"
querydsl {
    jpa = true
    querydslSourcesDir = querydslDir
}

sourceSets {
    main.java.srcDir querydslDir
}

configurations {
    querydsl.extendsFrom compileClasspath
}

compileQuerydsl {
    options.annotationProcessorPath = configurations.querydsl
}
//querydsl 추가 끝

테스트코드

package study.querydsl;

import com.querydsl.jpa.impl.JPAQueryFactory;
import jakarta.persistence.EntityManager;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.transaction.annotation.Transactional;
import study.querydsl.entity.Hello;

@SpringBootTest
@Transactional
class QuerydslApplicationTests {
    @Autowired
    EntityManager em;

    @Test
    void contextLoads() {
       Hello hello = new Hello();
       em.persist(hello);

       JPAQueryFactory queryFactory = new JPAQueryFactory(em);
       // QueryDSL 쿼리 테스트
    }
}