Intellij 和 gradle 依赖问题

Question

今天，我在一个使用 Intellij、Java 8 和 Gradle 从头开始​​的小项目中遇到了一个真正的问题。我对 Gradle 很陌生并且学到了很多东西，但我目前对一个似乎很简单的问题感到困惑：

我把我的项目分成几个模块，比如有一个主模块，其中有几个模块，像这样：

Project overview

使用 gradle clean build 可以正常构建：

13:54:26: Executing task 'build'...

:obd2-common:compileJava
:obd2-common:processResources NO-SOURCE
:obd2-common:classes
:obd2-common:jar
:obd2-bt:compileJava
:obd2-bt:processResources
:obd2-bt:classes
:obd2-bt:jar
:obd2-net:compileJava NO-SOURCE
:obd2-net:processResources NO-SOURCE
:obd2-net:classes UP-TO-DATE
:obd2-net:jar
:obd2-simulator:compileJava
:obd2-simulator:processResources
:obd2-simulator:classes
:obd2-simulator:jar
:obd2-polling:compileJava
:obd2-polling:processResources
:obd2-polling:classes
:obd2-polling:jar
:compileJava NO-SOURCE
:processResources NO-SOURCE
:classes UP-TO-DATE
:jar
:assemble
:compileTestJava NO-SOURCE
:processTestResources NO-SOURCE
:testClasses UP-TO-DATE
:test NO-SOURCE
:check UP-TO-DATE
:build
:obd2-bt:assemble
:obd2-bt:compileTestJava NO-SOURCE
:obd2-bt:processTestResources NO-SOURCE
:obd2-bt:testClasses UP-TO-DATE
:obd2-bt:test NO-SOURCE
:obd2-bt:check UP-TO-DATE
:obd2-bt:build
:obd2-common:assemble
:obd2-common:compileTestJava NO-SOURCE
:obd2-common:processTestResources NO-SOURCE
:obd2-common:testClasses UP-TO-DATE
:obd2-common:test NO-SOURCE
:obd2-common:check UP-TO-DATE
:obd2-common:build
:obd2-net:assemble
:obd2-net:compileTestJava NO-SOURCE
:obd2-net:processTestResources NO-SOURCE
:obd2-net:testClasses UP-TO-DATE
:obd2-net:test NO-SOURCE
:obd2-net:check UP-TO-DATE
:obd2-net:build
:obd2-polling:assemble
:obd2-polling:compileTestJava NO-SOURCE
:obd2-polling:processTestResources NO-SOURCE
:obd2-polling:testClasses UP-TO-DATE
:obd2-polling:test NO-SOURCE
:obd2-polling:check UP-TO-DATE
:obd2-polling:build
:obd2-simulator:assemble
:obd2-simulator:compileTestJava NO-SOURCE
:obd2-simulator:processTestResources NO-SOURCE
:obd2-simulator:testClasses UP-TO-DATE
:obd2-simulator:test NO-SOURCE
:obd2-simulator:check UP-TO-DATE
:obd2-simulator:build

BUILD SUCCESSFUL in 0s
13 actionable tasks: 13 executed
13:54:27: Task execution finished 'build'.

但是由于一个未知但令人讨厌的原因，IntelliJ 不想在其中一个模块中运行 main。此类包含对外部类的引用（来自另一个子模块）。代码中的 IntelliJ 说没问题，构建时 Gradle 说没问题，但是当我尝试运行代码并且 IntelliJ 构建时，它失败了。

这里是不同的 build.gradle：

1. 主模块（“obd2”）：

build.gradle：

plugins {

    id 'java'
    id 'idea'
}

group 'tech.necko.obd2'
version '1.0-SNAPSHOT'

sourceCompatibility = 1.8

repositories {
    mavenCentral()
}

dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.12'
}

task zip(type: Zip) {
    from configurations.runtime.allArtifacts.files
    from configurations.runtime
    into 'release'
}

1. obd2 轮询

build.gradle：

plugins {
    id 'java'
    id 'idea'
}

group 'tech.necko.obd2'
version '1.0-SNAPSHOT'

sourceCompatibility = 1.8

repositories {
    mavenCentral()
    jcenter()
}

dependencies {
    compile 'com.opencsv:opencsv:4.2'
    compile project(':obd2-common')
    compile project(':obd2-simulator')
    compile project(':obd2-bt')
    compile project(':obd2-net')
    testCompile group: 'junit', name: 'junit', version: '4.12'
}

jar {
    manifest {
        attributes 'Main-Class' : 'tech.necko.obd2.Poller'
    }
}

1. obd2-模拟器：

build.gradle：

plugins {
    id 'java'
    id 'idea'
}

group 'tech.necko.obd2'
version '1.0-SNAPSHOT'

sourceCompatibility = 1.8

repositories {
    mavenCentral()
    jcenter()
}

dependencies {
    compile project(':obd2-common')
    compile 'com.opencsv:opencsv:4.2'
    testCompile group: 'junit', name: 'junit', version: '4.12'
}

4. obd2-bt

build.gradle：

plugins {
    id 'java'
    id 'idea'
}

group 'tech.necko.obd2'
version '1.0-SNAPSHOT'

sourceCompatibility = 1.8

repositories {
    mavenCentral()
}

dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.12'
    compile project(':obd2-common')
}

5. obd2-net

build.gradle：

plugins {
    id 'java'
    id 'idea'
}

group 'tech.necko.obd2'
version '1.0-SNAPSHOT'

sourceCompatibility = 1.8

repositories {
    mavenCentral()
}

dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.12'
}

6. obd2-通用

build.gradle：

plugins {
    id 'java'
    id 'idea'
}

group 'tech.necko.obd2'
version '1.0-SNAPSHOT'

sourceCompatibility = 1.8

repositories {
    mavenCentral()
    jcenter()
}

dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.12'
}

我不知道这是否是一个标准的 gradle 功能，但它把我的每个模块都分成了两个子模块：主模块和测试。我在 intelliJ 中检查了项目属性，它反映了构建文件中的内容...

谢谢！

Answer 1

经过一番挣扎，尝试了很多解决方案，我发现我不得不使用 IntelliJ 的构建器重建整个项目：

Build in IntelliJ