title: Android studio java.lang.NoClassDefFoundError: android.support.v4.app.NavUtilsJB
body: <p>This is my error log acheived with android studio 1.0.2 </p>
  
  <pre><code>02-03 13:05:23.831    8385-8385/com.******.*******E/AndroidRuntime﹕     FATAL EXCEPTION: main
      java.lang.NoClassDefFoundError: android.support.v4.app.NavUtilsJB
          at   android.support.v4.app.NavUtils$NavUtilsImplJB.getParentActivityName(NavUtils    .java:125)
          at android.support.v4.app.NavUtils.getParentActivityName(NavUtils.java:302)
          at android.support.v4.app.NavUtils.getParentActivityName(NavUtils.java:281)
          at android.support.v7.app.ActionBarActivityDelegateBase.onCreate(ActionBarActivityDelegateBase.java:142)
          at android.support.v7.app.ActionBarActivity.onCreate(ActionBarActivity.java:123)
          at com..******.*******.****.ActivityWelcome.onCreate(ActivityWelcome.java:33)
          at android.app.Activity.performCreate(Activity.java:5104)
          at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
          at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
          at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
          at android.app.ActivityThread.access$600(ActivityThread.java:141)
          at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
          at android.os.Handler.dispatchMessage(Handler.java:99)
          at android.os.Looper.loop(Looper.java:137)
          at android.app.ActivityThread.main(ActivityThread.java:5041)
          at java.lang.reflect.Method.invokeNative(Native Method)
          at java.lang.reflect.Method.invoke(Method.java:511)
          at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
          at dalvik.system.NativeStart.main(Native Method)
  </code></pre>
  
  <p>Configuration</p>
  
  <pre><code>buildToolsVersion "21.1.2"
  android SDK TOOLS"24.0.2"
  multidex enabled
  predexLibraries =false
  incremental = true
  jumboMode = false
    dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      compile 'com.google.android.gms:play-services:6.5.87'
      compile 'com.google.code.gson:gson:2.3'
      compile 'com.android.support:support-v4:21.0.3@aar'
      compile 'com.android.support:appcompat-v7:21.0.3@aar'
      compile project(':ViewPagerIndicator')
      compile('de.keyboardsurfer.android.widget:crouton:1.8.4@aar') {
          exclude group: 'com.google.android', module: 'support-v4'
      }
      compile 'org.java-websocket:Java-WebSocket:1.3.0'
  }
  </code></pre>
  
  <p>How to solve this error?
  gradlew clean not helps. Build folders deletion also not working. Android studio shows no errors while compiling.</p>