执行失败的任务“：应用程序：dexDebug：”

Question

我有一个问题与文件的build.gradle我 遇到错误这样的。

 **** 

     Error:Execution failed for task ':app:dexDebug'. 
      > com.android.ide.common.process.ProcessException: 
     org.gradle.process.internal.ExecException: Process 'command '/usr/lib/jvm/java-7-oracle/bin/java'' 
    finished with non-zero exit value 2** 

** 

的build.gradle（模块）

apply plugin: 'com.android.application' 

android { 
    compileSdkVersion 22 
    buildToolsVersion "22.0.1" 

    defaultConfig { 
     applicationId "app_id" 
     minSdkVersion 17 
     targetSdkVersion 22 
     versionCode 1 
     versionName "1.0" 
    } 
    buildTypes { 
     release { 
      minifyEnabled false 
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 
     } 
    } 
    sourceSets { 
     main { 
      jniLibs.srcDir 'jniLibs' 
     } 
    } 
    packagingOptions { 
     exclude 'META-INF/DEPENDENCIES' 
     exclude 'META-INF/NOTICE' 
     exclude 'META-INF/LICENSE' 
     exclude 'META-INF/LICENSE.txt' 
     exclude 'META-INF/NOTICE.txt' 
    } 
} 
dependencies { 
    compile fileTree(dir: 'libs', include: ['*.jar']) 
    compile 'com.android.support:appcompat-v7:22.2.1' 
    compile 'com.google.android.gms:play-services:7.8.0' 
    compile group: 'com.tokbox', name: 'opentok-server-sdk', version: '2.2.2' 
} 

我对我做bulild.gradle许多chenges但我不能得到正确的

，这里是我的build.gradle（项目）

buildscript { 
    repositories { 
     jcenter() 
    } 
    dependencies { 
     classpath 'com.android.tools.build:gradle:1.2.3' 
     classpath 'com.google.gms:google-services:1.3.0-beta1' 
     // NOTE: Do not place your application dependencies here; they belong 
     // in the individual module build.gradle files 
    } 
} 

allprojects { 
    repositories { 
     jcenter() 
    } 
} 

我不知道如何避免这个错误帮我 在此先感谢

Answer 1

添加到您的文件版本。 gradle这个

defaultConfig { 
multiDexEnabled true 
    }