title: ClassLoader referenced unknown path: /data/app/
body: <p>I'm getting this error. It's saying <code>ClassLoader referenced unknown path</code>
  And I don't know what to do? Can anyone solve my problem?</p>
  
  <pre><code>03-11 01:35:46.231 3040-3040/com.pptsindia.feedapp I/art: Not late-enabling -Xcheck:jni (already on)
  03-11 01:35:46.418 3040-3040/com.pptsindia.feedapp W/System: ClassLoader referenced unknown path: /data/app/com.pptsindia.feedapp-1/lib/x86
  03-11 01:35:46.884 3040-3040/com.pptsindia.feedapp D/AndroidRuntime: Shutting down VM
  03-11 01:35:46.886 3040-3040/com.pptsindia.feedapp E/AndroidRuntime: FATAL EXCEPTION: main
                                                                       Process: com.pptsindia.feedapp, PID: 3040
                                                                       java.lang.RuntimeException: Unable to start activity ComponentInfo{com.pptsindia.feedapp/com.pptsindia.feedapp.MainActivity}: android.view.InflateException: Binary XML file line #14: Binary XML file line #14: Error inflating class at.markushi.ui.CircleButton
             at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
             at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
             at android.app.ActivityThread.-wrap11(ActivityThread.java)
             at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
             at android.os.Handler.dispatchMessage(Handler.java:102)
             at android.os.Looper.loop(Looper.java:148)
             at android.app.ActivityThread.main(ActivityThread.java:5417)
             at java.lang.reflect.Method.invoke(Native Method)
             at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
             at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
             Caused by: android.view.InflateException: Binary XML file line #14: Binary XML file line #14: Error inflating class at.markushi.ui.CircleButton
             at android.view.LayoutInflater.inflate(LayoutInflater.java:539)
             at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
             at com.pptsindia.feedapp.MainActivity$PlaceholderFragment.onCreateView(MainActivity.java:33)
             at android.support.v4.app.Fragment.performCreateView(Fragment.java:1974)
             at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067)
             at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252)
             at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
             at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617)
             at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:339)
             at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:602)
             at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1237)
             at android.app.Activity.performStart(Activity.java:6253)
             at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2379)
             at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
             at android.app.ActivityThread.-wrap11(ActivityThread.java) 
             at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
             at android.os.Handler.dispatchMessage(Handler.java:102) 
             at android.os.Looper.loop(Looper.java:148) 
             at android.app.ActivityThread.main(ActivityThread.java:5417) 
             at java.lang.reflect.Method.invoke(Native Method) 
             at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
             at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
         Caused by: android.view.InflateException: Binary XML file line #14: Error inflating class at.markushi.ui.CircleButton
             at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:776)
             at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
             at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
             at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
             at android.view.LayoutInflater.rInflate(LayoutInflater.java:838)
             at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
             at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
             at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
             at com.pptsindia.feedapp.MainActivity$PlaceholderFragment.onCreateView(MainActivity.java:33) 
             at android.support.v4.app.Fragment.performCreateView(Fragment.java:1974) 
             at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067) 
             at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252) 
             at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738) 
             at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617) 
             at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:339) 
             at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:602) 
             at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1237) 
             at android.app.Activity.performStart(Activity.java:6253) 
             at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2379) 
             at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
             at android.app.ActivityThread.-wrap11(ActivityThread.java) 
             at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
             at android.os.Handler.dispatchMessage(Handler.java:102) 
             at android.os.Looper.loop(Looper.java:148) 
             at android.app.ActivityThread.main(ActivityThread.java:5417) 
             at java.lang.reflect.Method.invoke(Native Method) 
             at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
             at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
         Caused by: java.lang.ClassNotFoundException: Didn't find class "at.markushi.ui.CircleButton" on path: DexPathList[[zip file "/data/app/com.pptsindia.feedapp-1/base.apk"],nativeLibraryDirectories=[/data/app/com.pptsindia.feedapp-1/lib/x86, /vendor/lib, /system/lib]]
              at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
              at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
              at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
              at android.view.LayoutInflater.createView(LayoutInflater.java:583)
              at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764)
              at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) 
              at android.view.LayoutInflater.rInflate(LayoutInflater.java:835) 
              at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
              at android.view.LayoutInflater.rInflate(LayoutInflater.java:838) 
              at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
              at android.view.LayoutInflater.inflate(LayoutInflater.java:515) 
              at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
              at com.pptsindia.feedapp.MainActivity$PlaceholderFragment.onCreateView(MainActivity.java:33) 
              at android.support.v4.app.Fragment.performCreateView(Fragment.java:1974) 
              at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067) 
              at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252) 
              at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738) 
              at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617) 
              at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:339) 
              at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:602) 
              at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1237) 
              at android.app.Activity.performStart(Activity.java:6253) 
              at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2379) 
              at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
              at android.app.ActivityThread.-wrap11(ActivityThread.java) 
              at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
              at android.os.Handler.dispatchMessage(Handler.java:102) 
              at android.os.Looper.loop(Looper.java:148) 
              at android.app.ActivityThread.main(ActivityThread.java:5417) 
              at java.lang.reflect.Method.invoke(Native Method) 
              at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
              at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
          Suppressed: java.lang.ClassNotFoundException: at.markushi.ui.CircleButton
              at java.lang.Class.classForName(Native Method)
              at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
              at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
              at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
          ... 30 more
          Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available
  03-11 01:35:51.964 3040-3040/? I/Process: Sending signal. PID: 3040 SIG: 9
  </code></pre>