ClassNotFoundError: on app launch: Spring Boot 3, springdoc, Gradle

I'm trying to start up a simple REST server (Spring Boot 3, Spring Web).

I'm used to Maven, but this time I had to use Gradle. Never had business with it before.

I may have messed up the setup. Once I launch the application, I get a flurry of errors.

Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.springdoc.webmvc.ui.SwaggerConfig] from ClassLoader [jdk.internal.loader.ClassLoaders$AppClassLoader@1d44bcfa]

Caused by: java.lang.NoClassDefFoundError: org/springframework/web/servlet/resource/LiteWebJarsResourceResolver

Caused by: java.lang.ClassNotFoundException: org.springframework.web.servlet.resource.LiteWebJarsResourceResolver

Execution failed for task ':com.example.socks_api.SocksApiApplication.main()'.
> Process 'command 'C:\Users\nadch\.jdks\corretto-17.0.13\bin\java.exe'' finished with non-zero exit value 1

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BUILD FAILED in 17s
3 actionable tasks: 3 executed

As I believe everything else is irrelevant, I only share my build.gradle.kts file (I may share other information if necessary).

plugins {
    java
    id("org.springframework.boot") version "3.3.7"
    id("io.spring.dependency-management") version "1.1.7"
}

group = "com.example"
version = "0.0.1-SNAPSHOT"

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

configurations {
    compileOnly {
        extendsFrom(configurations.annotationProcessor.get())
    }
}

repositories {
    mavenCentral()
}

dependencies {
    implementation("org.springframework.boot:spring-boot-starter-data-jpa")
    implementation("org.springframework.boot:spring-boot-starter-web")
    implementation("org.springdoc:springdoc-openapi-starter-webmvc-ui:2.7.0")
    implementation("org.mapstruct:mapstruct:1.6.3")
    runtimeOnly("org.postgresql:postgresql")
    compileOnly("org.projectlombok:lombok")
    annotationProcessor("org.projectlombok:lombok")
    annotationProcessor("org.mapstruct:mapstruct-processor:1.6.3")
    annotationProcessor("org.projectlombok:lombok-mapstruct-binding:0.2.0")
    testImplementation("org.springframework.boot:spring-boot-starter-test")
    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
}

tasks.withType<Test> {
    useJUnitPlatform()
}

This simialar question suggests it may have to do with springdoc. However, as you may see, I do include the right dependency and do not include springdoc-openapi-ui.

How do I resolve this problem?

The class your application is looking for org.springframework.web.servlet.resource.LiteWebJarsResourceResolver is first introduced in version 6.2 of Spring Framework. The version of Spring Boot you are using, 3.3.7, pulls in and runs with Spring Framework version 6.1. Support for Spring Framework 6.2 is added in version 3.4 of Spring Boot: Release Notes