title: Error:Execution failed for task ':app:transformClassesWithDexForDebug' in android studio
body: <p>I am moving my projects from eclipse to Android Studio. While running one of my app I get the following error. Not able to find any solution. I have enabled multidex as well.</p>
  
  <blockquote>
    <p>Error:Execution failed for task
    ':app:transformClassesWithDexForDebug'.
    com.android.build.api.transform.TransformException: java.lang.RuntimeException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.7.0_79\bin\java.exe'' finished with non-zero exit value 1</p>
  </blockquote>
  
  <p>also my gradle file is below</p>
  
  <pre><code>apply plugin: 'com.android.application'
  android {
  compileSdkVersion 23
  buildToolsVersion "23.0.3"
  defaultConfig {
      applicationId "com.myapp"
      minSdkVersion 9
      targetSdkVersion 21
      multiDexEnabled true
  }buildTypes {
      release {
          minifyEnabled true
          proguardFiles getDefaultProguardFile('proguard- android.txt'), 'proguard-project.txt', 'proguard-google-api-client.txt'
       }
     }
   }
   dependencies {
   compile 'com.android.support:support-v4:23.4.0'
   compile 'com.google.android.gms:play-services:+'
   compile 'com.google.http-client:google-http-client-gson:1.20.0'
  compile 'com.google.code.gson:gson:2.1'
  compile 'com.android.support:appcompat-v7:23.4.0'
  compile files('libs/activation.jar')
  compile files('libs/additionnal.jar')
  compile files('libs/android-support-v7-cardview.jar')
  compile files('libs/android-support-v7-recyclerview.jar')
  compile files('libs/commons-logging-1.1.1.jar')
  compile 'com.google.api-client:google-api-client:1.18.0-rc'
  compile 'com.google.api-client:google-api-client-android:1.18.0-rc'
  compile 'com.google.api-client:google-api-client-appengine:1.18.0-rc'
  compile 'com.google.http-client:google-http-client:1.18.0-rc'
  compile 'com.google.http-client:google-http-client-android:1.18.0-rc'
  compile 'com.google.http-client:google-http-client-appengine:1.18.0-rc'
  compile 'com.google.oauth-client:google-oauth-client:1.18.0-rc'
  compile 'com.google.oauth-client:google-oauth-client-appengine:1.18.0-rc'
  compile files('libs/google-api-client-gson-1.18.0-rc.jar')
  compile files('libs/google-api-client-jackson2-1.18.0-rc.jar')
  compile files('libs/google-api-client-java6-1.18.0-rc.jar')
  compile files('libs/google-api-client-servlet-1.18.0-rc.jar')
  compile files('libs/google-http-client-jackson2-1.18.0-rc.jar')
  compile files('libs/google-http-client-jdo-1.18.0-rc.jar')
  compile files('libs/google-oauth-client-java6-1.18.0-rc.jar')
  compile files('libs/google-oauth-client-jetty-1.18.0-rc.jar')
  compile files('libs/google-oauth-client-servlet-1.18.0-rc.jar')
  compile files('libs/GraphView-4.0.1.jar')
  compile files('libs/httpclient-4.0.1.jar')
  compile files('libs/httpcore-4.0.1.jar')
  compile files('libs/jackson-core-2.1.3.jar')
  compile files('libs/jetty-6.1.26.jar')
  compile files('libs/jetty-util-6.1.26.jar')
  compile files('libs/jsr305-1.3.9.jar')
  compile files('libs/jxl.jar')
  compile files('libs/mail.jar')
  compile files('libs/transaction-api-1.1.jar')
   }
  </code></pre>