title: The crosswalk build for Android failed (XDK-app-Build)
body: <p>I could build my app yesterday. But today I cannot and I don't know what the problem is...</p>
  
  <p><strong>The ERROR I get is</strong>:</p>
  
  <pre><code>An error occurred while building the application. Verify your build assets are correct and try again.
  </code></pre>
  
  <p><strong>Build Log</strong>:</p>
  
  <pre><code>The App ID is "com.my.App"
  The App Name is "App"
  Crosswalk Version: Stable (7.36.154.14)
  Plugin installed: File (org.apache.cordova.file)
  Plugin installed: Pushwoosh (https://github.com/Pushwoosh/pushwoosh- ... plugin.git)
  Plugin installed: myAdmob (https://github.com/floatinghotpot/cordo ... -admob.git)
  Plugin installed: myLocalNotification (de.appplant.cordova.plugin.local-notification)
  Plugin installed: Accelerometer (org.apache.cordova.device-motion)
  Plugin installed: Camera (org.apache.cordova.camera)
  Plugin installed: Capture (org.apache.cordova.media-capture)
  Plugin installed: Compass (org.apache.cordova.device-orientation)
  Plugin installed: Connection (org.apache.cordova.network-information)
  Plugin installed: Contacts (org.apache.cordova.contacts)
  Plugin installed: Device (org.apache.cordova.device)
  Plugin installed: Events (battery status) (org.apache.cordova.battery-status)
  Plugin installed: Geolocation (org.apache.cordova.geolocation)
  Plugin installed: Globalization (org.apache.cordova.globalization)
  Plugin installed: In App Browser (org.apache.cordova.inappbrowser)
  Plugin installed: Media (org.apache.cordova.media)
  Plugin installed: Dialogs (notification) (org.apache.cordova.dialogs)
  Plugin installed: Vibration (notification) (org.apache.cordova.vibration)
  Plugin installed: SplashScreen (org.apache.cordova.splashscreen)
  Plugin installed: App Security API (com.intel.security)
  Plugin installed: Audio (intel.xdk.audio)
  Plugin installed: Cache (intel.xdk.cache)
  Plugin installed: Camera (intel.xdk.camera)
  Plugin installed: Contacts (intel.xdk.contacts)
  Plugin installed: Device (intel.xdk.device)
  Plugin installed: File (intel.xdk.file)
  Plugin installed: Notification (intel.xdk.notification)
  Plugin installed: Player (intel.xdk.player)
  Plugin installed: Dolby* Audio API (https://github.com/DolbyDev/Dolby-Audio ... or-Cordova)
  Plugin installed: File Transfer (org.apache.cordova.file-transfer)
  Plugin installed: StatusBar (org.apache.cordova.statusbar)
  </code></pre>
  
  <p><strong>You can view the log of the Android build</strong>
  <div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>Buildfile: .../appname/build.xml
  
  -check-env:
   [checkenv] Android SDK Tools Revision 23.0.2
   [checkenv] Installed at ...
  
  -setup:
       [echo] Project Name: appname
    [gettype] Project Type: Application
  
  -pre-clean:
  
  clean:
  
  BUILD SUCCESSFUL
  Total time: 0 seconds
  Buildfile: .../appname/build.xml
  
  -set-mode-check:
  
  -set-release-mode:
  
  -release-obfuscation-check:
       [echo] proguard.config is ${proguard.config}
  
  -pre-build:
  
  -check-env:
   [checkenv] Android SDK Tools Revision 23.0.2
   [checkenv] Installed at ...
  
  -setup:
       [echo] Project Name: appname
    [gettype] Project Type: Application
  
  -build-setup:
  [getbuildtools] Using latest Build Tools: 20.0.0
       [echo] Resolving Build Target for appname...
  [gettarget] Project Target:   Android 4.4.2
  [gettarget] API level:        19
       [echo] ----------
       [echo] Creating output directories if needed...
      [mkdir] Created dir: .../appname/bin
      [mkdir] Created dir: .../appname/bin/res
      [mkdir] Created dir: .../appname/bin/rsObj
      [mkdir] Created dir: .../appname/bin/rsLibs
      [mkdir] Created dir: .../appname/gen
      [mkdir] Created dir: .../appname/bin/classes
      [mkdir] Created dir: .../appname/bin/dexedLibs
       [echo] ----------
       [echo] Resolving Dependencies for appname...
  [dependency] Library dependencies:
  [dependency] 
  [dependency] ------------------
  [dependency] Ordered libraries:
  [dependency] 
  [dependency] ------------------
  
  -code-gen:
  [mergemanifest] Merging AndroidManifest files into one.
  [mergemanifest] Manifest merger disabled. Using project manifest only.
       [echo] Handling aidl files...
       [aidl] No AIDL files to compile.
       [echo] ----------
       [echo] Handling RenderScript files...
       [echo] ----------
       [echo] Handling Resources...
       [aapt] Generating resource IDs...
       [aapt] nothing matches overlay file icon.png, for flavor ,,,,,,,,,,,,,,,,,,,
       [aapt] nothing matches overlay file icon.png, for flavor ,,,,,,,,,,,,xhdpi,,,,,,,
       [aapt] nothing matches overlay file splash.png, for flavor ,,,,,,,,,land,,,hdpi,,,,,,,
       [aapt] nothing matches overlay file splash.png, for flavor ,,,,,,,,,land,,,ldpi,,,,,,,
       [aapt] nothing matches overlay file splash.png, for flavor ,,,,,,,,,land,,,mdpi,,,,,,,
       [aapt] nothing matches overlay file splash.png, for flavor ,,,,,,,,,land,,,xhdpi,,,,,,,
       [aapt] nothing matches overlay file splash.png, for flavor ,,,,,,,,,port,,,hdpi,,,,,,,
       [aapt] nothing matches overlay file splash.png, for flavor ,,,,,,,,,port,,,ldpi,,,,,,,
       [aapt] nothing matches overlay file splash.png, for flavor ,,,,,,,,,port,,,mdpi,,,,,,,
       [aapt] nothing matches overlay file splash.png, for flavor ,,,,,,,,,port,,,xhdpi,,,,,,,
       [echo] ----------
       [echo] Handling BuildConfig class...
  [buildconfig] Generating BuildConfig class.
  
  -pre-compile:
  
  -compile:
      [javac] Compiling 63 source files to .../appname/bin/classes
      [javac] warning: com/google/android/gms/ads/AdListener.class(com/google/android/gms/ads:AdListener.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] warning: com/google/android/gms/ads/AdRequest.class(com/google/android/gms/ads:AdRequest.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] warning: com/google/android/gms/ads/AdSize.class(com/google/android/gms/ads:AdSize.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] warning: com/google/android/gms/ads/AdView.class(com/google/android/gms/ads:AdView.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] warning: com/google/android/gms/ads/InterstitialAd.class(com/google/android/gms/ads:InterstitialAd.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] warning: com/google/android/gms/ads/mediation/admob/AdMobExtras.class(com/google/android/gms/ads/mediation/admob:AdMobExtras.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] warning: com/google/android/gms/common/ConnectionResult.class(com/google/android/gms/common:ConnectionResult.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] warning: com/google/android/gms/common/GooglePlayServicesUtil.class(com/google/android/gms/common:GooglePlayServicesUtil.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] warning: com/google/android/gms/ads/AdRequest$Builder.class(com/google/android/gms/ads:AdRequest$Builder.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] warning: com/google/android/gms/ads/mediation/NetworkExtras.class(com/google/android/gms/ads/mediation:NetworkExtras.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] warning: com/google/ads/mediation/NetworkExtras.class(com/google/ads/mediation:NetworkExtras.class): major version 51 is newer than 50, the highest major version supported by this compiler.
      [javac] It is recommended that the compiler be upgraded.
      [javac] Note: Some input files use or override a deprecated API.
      [javac] Note: Recompile with -Xlint:deprecation for details.
      [javac] Note: Some input files use unchecked or unsafe operations.
      [javac] Note: Recompile with -Xlint:unchecked for details.
      [javac] 11 warnings
  
  -post-compile:
  
  -obfuscate:
  
  -dex:
        [dex] input: .../appname/bin/classes
        [dex] input: .../framework/bin/classes.jar
        [dex] input: .../framework/xwalk_core_library/bin/classes.jar
        [dex] input: .../appname/com.google.playservices/google-play-services_lib/bin/classes.jar
        [dex] input: .../appname/libs/dolby_audio_processing.jar
        [dex] input: .../appname/libs/com.google.zxing.client.android.captureactivity.jar
        [dex] input: .../appname/com.google.playservices/google-play-services_lib/libs/google-play-services.jar
        [dex] input: .../framework/xwalk_core_library/libs/xwalk_core_library_java.jar
        [dex] input: .../appname/libs/Pushwoosh.jar
        [dex] Pre-Dexing .../framework/bin/classes.jar -&gt; classes-c888b94ddba97b0e25b22525db35b6cc.jar
        [dex] Pre-Dexing .../framework/xwalk_core_library/bin/classes.jar -&gt; classes-87b66cb50b13fe1ffdecf5ef05c79ce8.jar
        [dex] Pre-Dexing .../appname/libs/dolby_audio_processing.jar -&gt; dolby_audio_processing-721546cd6baac89d8439fad4e1b2a961.jar
        [dex] Pre-Dexing .../appname/libs/com.google.zxing.client.android.captureactivity.jar -&gt; com.google.zxing.client.android.captureactivity-7406fbf66dfb31f2544e7a8cf811691b.jar
        [dex] Pre-Dexing .../appname/com.google.playservices/google-play-services_lib/libs/google-play-services.jar -&gt; google-play-services-bf5947c07197107dd868b3b9915d2dc1.jar
        [dex] Pre-Dexing .../framework/xwalk_core_library/libs/xwalk_core_library_java.jar -&gt; xwalk_core_library_java-1aa58519e49aaf933d900f3c0be99fa5.jar
        [dex] Pre-Dexing .../appname/libs/Pushwoosh.jar -&gt; Pushwoosh-fb05e2860f5f63773071342ca81e3b6d.jar
        [dex] Converting compiled files and external libraries into .../appname/bin/classes.dex...
         [dx] 
         [dx] UNEXPECTED TOP-LEVEL EXCEPTION:
         [dx] java.util.zip.ZipException: error in opening zip file
         [dx]  at java.util.zip.ZipFile.open(Native Method)
         [dx]  at java.util.zip.ZipFile.&lt;init&gt;(ZipFile.java:127)
         [dx]  at java.util.zip.ZipFile.&lt;init&gt;(ZipFile.java:143)
         [dx]  at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:244)
         [dx]  at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166)
         [dx]  at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144)
         [dx]  at com.android.dx.command.dexer.Main.processOne(Main.java:596)
         [dx]  at com.android.dx.command.dexer.Main.processAllFiles(Main.java:498)
         [dx]  at com.android.dx.command.dexer.Main.runMonoDex(Main.java:264)
         [dx]  at com.android.dx.command.dexer.Main.run(Main.java:230)
         [dx]  at com.android.dx.command.dexer.Main.main(Main.java:199)
         [dx]  at com.android.dx.command.Main.main(Main.java:103)
         [dx] 1 error; aborting
  
  BUILD FAILED
  .../tools/ant/build.xml:892: The following error occurred while executing this line:
  .../tools/ant/build.xml:894: The following error occurred while executing this line:
  .../tools/ant/build.xml:906: The following error occurred while executing this line:
  .../tools/ant/build.xml:283: null returned: 1
  
  Total time: 1 minute 13 seconds
  Error code 1 for command: ant with args: release,-f,.../appname/build.xml</code></pre>
  </div>
  </div>
  </p>
  
  <p>Can somebody help me, please? It would be great.</p>