Exception: java.util.ConcurrentModificationException at com.onesignal.OneSignalStateSynchronizer.generateJsonDiff(OneSignalStateSynchronizer.java:74)

[DimaKoz]

I got the crashlog in OneSignal-Android-SDK 2.3.0.
About devices:

[jkasten2]

@DimaKoz Thanks for the crash report. It could be an issue with our SDK trying to generate another network request while processing another. Can you share a list of all thread stacks here or with support@onesignal.com? We should be confirm that is the issue from this information.

[prilaga]

Hi! I got the same issue.

Fatal Exception: java.util.ConcurrentModificationException
 Raw
java.util.LinkedHashMap$LinkedHashIterator.nextEntry (LinkedHashMap.java:346)
java.util.LinkedHashMap$KeyIterator.next (LinkedHashMap.java:366)
com.onesignal.OneSignalStateSynchronizer.generateJsonDiff (OneSignalStateSynchronizer.java:74)
com.onesignal.OneSignalStateSynchronizer.access$200 (OneSignalStateSynchronizer.java:46)
com.onesignal.OneSignalStateSynchronizer$UserState.generateJsonDiff (OneSignalStateSynchronizer.java:263)
com.onesignal.OneSignalStateSynchronizer$UserState.access$000 (OneSignalStateSynchronizer.java:197)
com.onesignal.OneSignalStateSynchronizer.syncUserState (OneSignalStateSynchronizer.java:476)
com.onesignal.OneSignalStateSynchronizer$NetworkHandlerThread$1.run (OneSignalStateSynchronizer.java:440)
android.os.Handler.handleCallback (Handler.java:739)
android.os.HandlerThread.run (HandlerThread.java:61)

Screenshot

[jkasten2]

@OlegTarashkevich @DimaKoz
Fixed this issue in the 2.4.2 Release.

Thanks.

[jkasten2]

Ref Issue #88, a few more occurrences of this exception were fixed in version 3.0.3.