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    Exception in thread "main" java.io.NotSerializableException: java.util.Hashtable$Enumerator at java.io.ObjectOutputStream.writeObject0(Unknown Source) at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source) at java.io.ObjectOutputStream.writeSe

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via GitHub by yindetao
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Unable to pause activity {air.com.coalaa.itexasfr/com.freshplanet.ane.AirFacebook.LoginActivity}: com.facebook.FacebookException: Unable to save session.
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Unable to pause activity {com.orchard.paging/com.orchard.paging.MKpagerActivity}: java.lang.NullPointerException
via google.com by Unknown author, 2 years ago
via Stack Overflow by Jesse
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Unable to pause activity {com.MyApp/com.MyAppMain.MainScreen}: java.lang.NullPointerException
via Stack Overflow by Chirag Patel
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Unable to pause activity {com.chirag.teahouse/com.chirag.teahouse.TeaHouseActivity}: java.lang.NullPointerException
java.io.NotSerializableException: com.freshplanet.ane.AirFacebook.LoginActivity$SessionStatusCallback	at java.io.ObjectOutputStream.writeNewObject(ObjectOutputStream.java:1535)	at java.io.ObjectOutputStream.writeObjectInternal(ObjectOutputStream.java:1847)	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1689)	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1653)	at java.util.ArrayList.writeObject(ArrayList.java:651)	at java.lang.reflect.Method.invokeNative(Native Method)	at java.lang.reflect.Method.invoke(Method.java:507)	at java.io.ObjectOutputStream.writeHierarchy(ObjectOutputStream.java:1219)	at java.io.ObjectOutputStream.writeNewObject(ObjectOutputStream.java:1575)	at java.io.ObjectOutputStream.writeObjectInternal(ObjectOutputStream.java:1847)	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1689)	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1653)	at java.io.ObjectOutputStream.writeFieldValues(ObjectOutputStream.java:1143)	at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:413)	at java.io.ObjectOutputStream.writeHierarchy(ObjectOutputStream.java:1241)	at java.io.ObjectOutputStream.writeNewObject(ObjectOutputStream.java:1575)	at java.io.ObjectOutputStream.writeObjectInternal(ObjectOutputStream.java:1847)	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1689)	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1653)	at com.facebook.Session.saveSession(Unknown Source)	at com.freshplanet.ane.AirFacebook.LoginActivity.onSaveInstanceState(Unknown Source)	at android.app.Activity.performSaveInstanceState(Activity.java:1097)	at android.app.Instrumentation.callActivityOnSaveInstanceState(Instrumentation.java:1293)	at android.app.ActivityThread.performPauseActivity(ActivityThread.java:2814)	at android.app.ActivityThread.performPauseActivity(ActivityThread.java:2789)	at android.app.ActivityThread.handlePauseActivity(ActivityThread.java:2762)	at android.app.ActivityThread.access$1700(ActivityThread.java:135)	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1061)	at android.os.Handler.dispatchMessage(Handler.java:99)	at android.os.Looper.loop(Looper.java:150)	at android.app.ActivityThread.main(ActivityThread.java:4385)	at java.lang.reflect.Method.invokeNative(Native Method)	at java.lang.reflect.Method.invoke(Method.java:507)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:849)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:607)	at dalvik.system.NativeStart.main(Native Method)