Java 11 + QueryDSL 4 + Gradle 5 + SpringBoot 2.1- not generating QClasses

Question

I’m trying to integrate QueryDSL, Gradle and Springboot in versions from title. I added annotationProcessors to gradle but Intellij is still not generating the QClasses. I tried sugesstions from community to use the plugin ‘gradle.plugin.com.ewerk.gradle.plugins:querydsl-plugin’ but this did not help.

dependencies{
   annotationProcessor("org.projectlombok:lombok:1.18.4")
   annotationProcessor("com.querydsl:querydsl-apt:4.2.1")
   annotationProcessor("org.springframework.boot:spring-boot-starter-data-jpa:2.1.1.RELEASE")

   compileOnly("org.projectlombok:lombok:1.18.4")
   implementation("com.querydsl:querydsl-jpa:4.2.1")
   implementation("com.querydsl:querydsl-apt:4.2.1:jpa")
   implementation("org.springframework.boot:spring-boot-starter-data-jpa:2.1.1.RELEASE")
   implementation("org.springframework.boot:spring-boot-starter-web:2.1.1.RELEASE")
}

Answer 1

You need to provide concrete annotation processor ':jpa'

annotationProcessor("com.querydsl:querydsl-apt:4.2.1:jpa")

that should work:

dependencies{
   annotationProcessor("org.projectlombok:lombok:1.18.4")
   annotationProcessor("com.querydsl:querydsl-apt:4.2.1:jpa")
   annotationProcessor("org.springframework.boot:spring-boot-starter-data-jpa:2.1.1.RELEASE")

   compileOnly("org.projectlombok:lombok:1.18.4")
   implementation("com.querydsl:querydsl-jpa:4.2.1")
   implementation("org.springframework.boot:spring-boot-starter-data-jpa:2.1.1.RELEASE")
   implementation("org.springframework.boot:spring-boot-starter-web:2.1.1.RELEASE")
}

Answer 2

I will give you my working configuration :

ext {
    queryDslVersion = '4.2.1'
    lombokVersion = '1.8.6'
}
// https://stackoverflow.com/questions/42441844/annotation-processor-in-intellij-and-gradle/54611475#54611475
compileJava {
    options.annotationProcessorPath = configurations.annotationProcessor
}

dependencies {
  // ...

    compile(
            "com.querydsl:querydsl-core:${queryDslVersion}",
            "com.querydsl:querydsl-jpa:${queryDslVersion}"
    )

    compileOnly "org.projectlombok:lombok:${lombokVersion}"

    annotationProcessor "com.querydsl:querydsl-apt:${queryDslVersion}:jpa",
            "org.hibernate.javax.persistence:hibernate-jpa-2.1-api:1.0.2.Final",
            "javax.annotation:javax.annotation-api:1.3.2",
            "org.projectlombok:lombok:${lombokVersion}"
}

Using Gradle 5.2+