Task org.apache.jackrabbit.oak.commons.concurrent.NotifyingFutureTask@a67ce32[Not completed, task = org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1@e584b21] rejected from java.util.concurrent.ThreadPoolExecutor@4f65411a[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 16]

Task org.apache.jackrabbit.oak.commons.concurrent.NotifyingFutureTask@7d283042[Not completed, task = org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1@73efc04f] rejected from java.util.concurrent.ThreadPoolExecutor@7917ab3f[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 15]

Task org.apache.jackrabbit.oak.commons.concurrent.NotifyingFutureTask@55e69129[Not completed, task = org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1@5b21743d] rejected from java.util.concurrent.ThreadPoolExecutor@51d91f4d[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 7]