Google app engine 重复条目：AbstractHttpContent.class

我正在开发一个应用程序，使用谷歌应用程序引擎。 建筑很好，但当我试着运行它时， 我得到这个错误：

Error:Execution failed for task ':app:transformClassesWithJarMergingForDebug'.com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: com/google/appengine/repackaged/com/google/api/client/http/AbstractHttpContent.class

尝试在android studio中运行应用程序时

这是我的毕业证书：

apply plugin: 'com.android.application'

android {
    compileSdkVersion 23
    buildToolsVersion "23.0.2"

    defaultConfig {
        applicationId "bgu.wingmanapp"
        minSdkVersion 15
        targetSdkVersion 23
        versionCode 1
        versionName "1.0"
        multiDexEnabled true
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    //compile fileTree(dir: 'libs', include: ['*.jar'])
   // testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:23.2.0'
    compile 'com.android.support:design:23.2.0'
    compile 'com.android.support:support-v4:23.2.0'
    compile 'com.facebook.android:facebook-android-sdk:[4,5)'
    compile project(path: ':backend', configuration: 'android-endpoints')
    compile ('com.google.appengine:appengine-api-1.0-sdk:1.9.18')
    compile ('com.google.appengine:appengine-endpoints:1.9.18')
}

和后台gradle：

// If you would like more information on the gradle-appengine-plugin please refer to the github page
// https://github.com/GoogleCloudPlatform/gradle-appengine-plugin

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.google.appengine:gradle-appengine-plugin:1.9.18'
    }
}

repositories {
    jcenter();
}

apply plugin: 'java'
apply plugin: 'war'
apply plugin: 'appengine'

sourceCompatibility = JavaVersion.VERSION_1_7
targetCompatibility = JavaVersion.VERSION_1_7

dependencies {
  appengineSdk 'com.google.appengine:appengine-java-sdk:1.9.18'
  compile 'com.google.appengine:appengine-endpoints:1.9.18'
  compile 'com.google.appengine:appengine-endpoints-deps:1.9.18'
  compile 'javax.servlet:servlet-api:2.5'
}

appengine {
  downloadSdk = true
  appcfg {
    oauth2 = true
  }
  endpoints {
    getClientLibsOnBuild = true
    getDiscoveryDocsOnBuild = true
  }
}

---

我知道我有一个复杂的依赖关系，但我不能解决它。谢谢

如果您编译此项目：

compile project(path: ':backend', configuration: 'android-endpoints')

如果您运行下面两个程序，那么您将拥有上面编译的项目的副本。您应该删除它们：

compile ('com.google.appengine:appengine-api-1.0-sdk:1.9.18')

compile ('com.google.appengine:appengine-endpoints:1.9.18')

此外，如果您正在使用：

compile fileTree(dir: 'libs', include: ['*.jar'])......(I am aware you have commented it out)

---

您可能还有与“应用程序”或“后端”模块中相同的外部库文件，由于编译整个文件树，这些模块被调用了两次。

您是否解决了此问题？删除此文件完成了以下工作：编译文件树（dir:'libs'，include:['*.jar']），从4小时以来一直在与此错误作斗争。谢谢