java - 无法使用gradle构建

Question

此错误消息是什么意思？

FAILURE: Build failed with an exception.

* What went wrong:
Could not resolve all dependencies for configuration ':compile'.
> Could not find com.jme3:xmlpull-xpp3:3.0.0.20140325-SNAPSHOT.
  Searched in the following locations:
      https://jcenter.bintray.com/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/maven-metadata.xml
      https://jcenter.bintray.com/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/xmlpull-xpp3-3.0.0.20140325-SNAPSHOT.pom
      https://jcenter.bintray.com/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/xmlpull-xpp3-3.0.0.20140325-SNAPSHOT.jar
      https://repo1.maven.org/maven2/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/maven-metadata.xml
      https://repo1.maven.org/maven2/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/xmlpull-xpp3-3.0.0.20140325-SNAPSHOT.pom
      https://repo1.maven.org/maven2/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/xmlpull-xpp3-3.0.0.20140325-SNAPSHOT.jar
      https://mvnrepository.com/artifact/cz.advel.jbullet/jbullet/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/maven-metadata.xml
      https://mvnrepository.com/artifact/cz.advel.jbullet/jbullet/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/xmlpull-xpp3-3.0.0.20140325-SNAPSHOT.pom
      https://mvnrepository.com/artifact/cz.advel.jbullet/jbullet/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/xmlpull-xpp3-3.0.0.20140325-SNAPSHOT.jar
      https://mvnrepository.com/artifact/org.cogchar/ext.bundle.opengl.jmonkey/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/maven-metadata.xml
      https://mvnrepository.com/artifact/org.cogchar/ext.bundle.opengl.jmonkey/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/xmlpull-xpp3-3.0.0.20140325-SNAPSHOT.pom
      https://mvnrepository.com/artifact/org.cogchar/ext.bundle.opengl.jmonkey/com/jme3/xmlpull-xpp3/3.0.0.20140325-SNAPSHOT/xmlpull-xpp3-3.0.0.20140325-SNAPSHOT.jar
  Required by:
      :spaceworld:unspecified > org.cogchar:ext.bundle.opengl.jmonkey:1.1.3

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

我的build.gradle

apply plugin: 'java'
apply plugin: 'application'
apply plugin: 'eclipse'
apply plugin: 'idea'

mainClassName = 'spaceworld.SpaceUFO'

repositories {
    jcenter()
}

ext.jmeVersion = "[3.1,)"

project(":assets") {
    apply plugin: "java"

    buildDir = rootProject.file("build/assets")

    sourceSets {
        main {
            resources {
                srcDir '.'
            }
        }
    }
}
repositories {
    mavenCentral()
    maven {
        url "https://mvnrepository.com/artifact/cz.advel.jbullet/jbullet"

    }
    maven {

        url "https://mvnrepository.com/artifact/org.cogchar/ext.bundle.opengl.jmonkey"

    }
}



dependencies {

    compile "org.jmonkeyengine:jme3-core:$jmeVersion"
    compile "org.jmonkeyengine:jme3-desktop:$jmeVersion"
    compile "org.jmonkeyengine:jme3-lwjgl:$jmeVersion"
    compile "org.jmonkeyengine:jme3-blender:$jmeVersion"
    compile "org.jmonkeyengine:jme3-bullet:$jmeVersion"
    compile "org.jmonkeyengine:jme3-plugins:$jmeVersion"
    compile "org.jmonkeyengine:jme3-networking:$jmeVersion"

    compile group: "cz.advel.jbullet", name: "jbullet", version: "20101010"

    compile group: "org.cogchar", name: "ext.bundle.opengl.jmonkey", version: "1.1.3"

    compile files('libs/cai-nmgen-0.2.0.jar')

    runtime project(':assets')
}

task wrapper(type: Wrapper) {
}

task createDirs << {

    def pkg = 'spaceworld'
    def dirs = [
            file("./src/main/java/$pkg"),
            file("./src/main/resources"),
            file("./assets/Interface"),
            file("./assets/MatDefs"),
            file("./assets/Materials"),
            file("./assets/Models"),
            file("./assets/Scenes"),
            file("./assets/Shaders"),
            file("./assets/Sounds"),
            file("./assets/Textures"),
    ]

    dirs.each {
        if (!it.exists()) {
            println "Creating " + it
            it.mkdirs()
        }
        if (it.listFiles().length == 0) {
            def stub = new File(it, 'removeme.txt')
            println "Creating stub file to allow git checkin, file:$stub"
            stub.text = "Remove me when there are files here."
        }
    }
}

我不明白如何添加依赖项。

Answer 1

这意味着您指定的存储库中不存在依赖项 com.jme3:xmlpull-xpp3:3.0.0.20140325-SNAPSHOT。

可能的原因:

• 您拼错了依赖项。
• 您遗漏了一个存储库。
• 您的本地 Maven 存储库或 gradle 缓存已损坏。

考虑查看依赖关系树以找出该依赖关系从何而来以及如何解决该问题。