Prematurely reached end of stream [1]

Task org.apache.jackrabbit.oak.commons.concurrent.NotifyingFutureTask@37e6aff[Not completed, task = org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1@4337b43d] rejected from java.util.concurrent.ThreadPoolExecutor@78b940cf[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 6]