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via GitHub by jkasten2
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This exception has no message.
via Google Groups by Thomas Barth, 10 months ago
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via Terracotta Project Issue Tracker by Geert Bevin, 2 years ago
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, 2 years ago
via Stack Overflow by WhiteLady
, 2 years ago
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java.util.ConcurrentModificationException: 	at java.util.HashMap$HashIterator.nextEntry(	at java.util.HashMap$	at java.util.HashMap$	at org.json.JSONObject.writeTo(	at org.json.JSONObject.toString(	at com.onesignal.OneSignalStateSynchronizer$UserState.persistState(	at com.onesignal.OneSignalStateSynchronizer$UserState.access$000(	at com.onesignal.OneSignalStateSynchronizer.syncUserState(	at com.onesignal.OneSignalStateSynchronizer$NetworkHandlerThread$	at android.os.Handler.handleCallback(	at android.os.Handler.dispatchMessage(	at android.os.Looper.loop(	at