I am using DAVx5 2.5.3-ose to synchronize tasks on CalDAV. When I do some changes to a task and save it in OpenTask, DAVx5 fails to automatically synchronize the changes with some error debug output shown below. However, I can sync them manually in DAVx5 app by tapping on the “Synchronize” FAB.
Here is the verbose output recorded. Note that every failed synchronization is caused by a thread interruption on
at.bitfire.davdroid.syncadapter.SyncManager.abortIfCancelled, which may be caused by a
Couldn't unbind CustomCertService exception occurred just before the interruption.