java.util.ConcurrentModificationException: This exception has no message.

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This exception has no message.
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via GitHub by distinctgrey
, 2 years ago
This exception has no message.
java.util.ConcurrentModificationException:
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:787)
at java.util.HashMap$KeyIterator.next(HashMap.java:814)
at com.parse.ParseTraverser.visit(ParseTraverser.java:100)
at com.parse.ParseTraverser.visit(ParseTraverser.java:94)
at com.parse.ParseTraverser.visit(ParseTraverser.java:101)
at com.parse.ParseTraverser.visit(ParseTraverser.java:94)
at com.parse.ParseTraverser.visit(ParseTraverser.java:101)
at com.parse.ParseTraverser.traverse(ParseTraverser.java:137)
at com.parse.OfflineStore.saveLocallyAsync(OfflineStore.java:776)
at com.parse.OfflineStore.access$200(OfflineStore.java:36)
at com.parse.OfflineStore$38.then(OfflineStore.java:1251)
at com.parse.OfflineStore$38.then(OfflineStore.java:1227)
at bolts.Task$15.run(Task.java:917)
at bolts.BoltsExecutors$ImmediateExecutor.execute(BoltsExecutors.java:105)
at bolts.Task.completeAfterTask(Task.java:908)
at bolts.Task.continueWithTask(Task.java:715)
at bolts.Task.continueWithTask(Task.java:726)
at bolts.Task$13.then(Task.java:818)
at bolts.Task$13.then(Task.java:806)
at bolts.Task$15.run(Task.java:917)
at bolts.BoltsExecutors$ImmediateExecutor.execute(BoltsExecutors.java:105)
at bolts.Task.completeAfterTask(Task.java:908)
at bolts.Task.access$100(Task.java:32)
at bolts.Task$11.then(Task.java:708)
at bolts.Task$11.then(Task.java:705)
at bolts.Task.runContinuations(Task.java:956)
at bolts.Task.trySetResult(Task.java:994)
at bolts.TaskCompletionSource.trySetResult(TaskCompletionSource.java:39)
at bolts.TaskCompletionSource.setResult(TaskCompletionSource.java:62)
at bolts.Task$15$1.then(Task.java:934)
at bolts.Task$15$1.then(Task.java:921)
at bolts.Task$14.run(Task.java:872)
at bolts.BoltsExecutors$ImmediateExecutor.execute(BoltsExecutors.java:105)
at bolts.Task.completeImmediately(Task.java:863)
at bolts.Task.continueWith(Task.java:661)
at bolts.Task.continueWith(Task.java:672)
at bolts.Task$15.run(Task.java:921)
at bolts.BoltsExecutors$ImmediateExecutor.execute(BoltsExecutors.java:105)
at bolts.Task.completeAfterTask(Task.java:908)
at bolts.Task.access$100(Task.java:32)
at bolts.Task$11.then(Task.java:708)
at bolts.Task$11.then(Task.java:705)
at bolts.Task.runContinuations(Task.java:956)
at bolts.Task.trySetResult(Task.java:994)
at bolts.TaskCompletionSource.trySetResult(TaskCompletionSource.java:39)
at bolts.TaskCompletionSource.setResult(TaskCompletionSource.java:62)
at bolts.Task$15$1.then(Task.java:934)
at bolts.Task$15$1.then(Task.java:921)
at bolts.Task$14.run(Task.java:872)
at bolts.BoltsExecutors$ImmediateExecutor.execute(BoltsExecutors.java:105)
at bolts.Task.completeImmediately(Task.java:863)
at bolts.Task.continueWith(Task.java:661)
at bolts.Task.continueWith(Task.java:672)
at bolts.Task$15.run(Task.java:921)
at bolts.BoltsExecutors$ImmediateExecutor.execute(BoltsExecutors.java:105)
at bolts.Task.completeAfterTask(Task.java:908)
at bolts.Task.access$100(Task.java:32)
at bolts.Task$11.then(Task.java:708)
at bolts.Task$11.then(Task.java:705)
at bolts.Task.runContinuations(Task.java:956)
at bolts.Task.trySetResult(Task.java:994)
at bolts.TaskCompletionSource.trySetResult(TaskCompletionSource.java:39)
at bolts.TaskCompletionSource.setResult(TaskCompletionSource.java:62)
at bolts.Task$15$1.then(Task.java:934)
at bolts.Task$15$1.then(Task.java:921)
at bolts.Task$14.run(Task.java:872)
at bolts.BoltsExecutors$ImmediateExecutor.execute(BoltsExecutors.java:105)
at bolts.Task.completeImmediately(Task.java:863)
at bolts.Task.continueWith(Task.java:661)
at bolts.Task.continueWith(Task.java:672)
at bolts.Task$15.run(Task.java:921)
at bolts.BoltsExecutors$ImmediateExecutor.execute(BoltsExecutors.java:105)
at bolts.Task.completeAfterTask(Task.java:908)
at bolts.Task.access$100(Task.java:32)
at bolts.Task$11.then(Task.java:708)
at bolts.Task$11.then(Task.java:705)
at bolts.Task.runContinuations(Task.java:956)
at bolts.Task.trySetResult(Task.java:994)
at bolts.TaskCompletionSource.trySetResult(TaskCompletionSource.java:39)
at bolts.TaskCompletionSource.setResult(TaskCompletionSource.java:62)
at bolts.Task$15$1.then(Task.java:934)
at bolts.Task$15$1.then(Task.java:921)
at bolts.Task$14.run(Task.java:872)
at bolts.BoltsExecutors$ImmediateExecutor.execute(BoltsExecutors.java:105)
at bolts.Task.completeImmediately(Task.java:863)
at bolts.Task.continueWith(Task.java:661)
at bolts.Task.continueWith(Task.java:672)
at bolts.Task$15.run(Task.java:921)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:818)

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