我有一個帶有以下 build.gradle 的 SpringBoot 專案:
import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
plugins {
id("org.springframework.boot") version "2.7.0"
id("io.spring.dependency-management") version "1.0.9.RELEASE"
kotlin("jvm") version "1.7.0"
kotlin("plugin.spring") version "1.7.0"
kotlin("plugin.jpa") version "1.6.21"
id("org.flywaydb.flyway") version "6.4.4"
}
group = "com.planes"
version = "0.0.1-SNAPSHOT"
java.sourceCompatibility = JavaVersion.VERSION_1_8
repositories {
mavenCentral()
}
dependencies {
implementation("org.apache.tomcat.embed:tomcat-embed-jasper")
implementation("org.springframework.boot:spring-boot-starter-data-jpa")
implementation("org.springframework.boot:spring-boot-starter-validation")
implementation("org.springframework.boot:spring-boot-starter-security")
implementation("org.springframework.boot:spring-boot-starter-web")
implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
implementation("org.jetbrains.kotlin:kotlin-reflect")
implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
implementation("io.jsonwebtoken:jjwt:0.9.0")
implementation("org.postgresql:postgresql")
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core")
testImplementation("org.springframework.boot:spring-boot-starter-test") {
exclude(group = "org.junit.vintage", module = "junit-vintage-engine")
}
testImplementation("org.springframework.security:spring-security-test")
}
tasks.withType<Test> {
useJUnitPlatform()
}
tasks.withType<KotlinCompile> {
kotlinOptions {
freeCompilerArgs = listOf("-Xjsr305=strict")
jvmTarget = "1.8"
}
}
springBoot {
mainClassName = "com.planes.planesserver.DemoApplication"
}
當我運行 Gradle Wrapper 任務時,我收到以下錯誤:“未決議的參考:mainClassName”
這發生在我將 SpringBoot 從版本 2.2 更新到 2.7 并從版本 5 升級到版本 6.9.3 之后
在以前的配置中,專案可以編譯得很好。我還需要為這個新配置進行任何調整嗎?
誰能給個建議?
uj5u.com熱心網友回復:
在 Springboot 2.4 中,他們更改了主類名屬性的名稱和型別,請參閱Springboot 2.4 發行說明:
您需要按如下方式更新構建腳本:
springBoot {
// before springboot 2.4
// mainClassName = "com.planes.planesserver.DemoApplication"
// since springboot 2.4 :
mainClass.set( "com.planes.planesserver.DemoApplication")
}
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