Cannot invoke "java.util.concurrent.CompletableFuture.whenComplete(java.util.function.BiConsumer)" because the return value of "com.baidu.bifromq.basecluster.messenger.IMessenger.send(com.baidu.bifromq.basecluster.proto.ClusterMessage, java.net.InetSocketAddress, boolean)" is null

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@41eb8332[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@6b1902a9[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$253/0x00007f17a8464f88@61d19f26]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@7d81b8a4[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 28]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@1892a5f2[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@7e7f8d0b[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$253/0x00007f17a8464f88@d8d3355]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@66d3c907[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 34]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@6147ad5c[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@4d79c707[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$253/0x00007f17a8464f88@23f9dd00]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@b9fdc3f[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 26]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@504fda39[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@188a20dc[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$253/0x00007f17a8464f88@5f2ab8cd]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@698c1e2d[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 8106]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@9b035e2[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@26ed18c1[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$253/0x00007f17a8464f88@2c64df6a]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@6bc81360[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 44]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@4847e797[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@1c49afbe[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$253/0x00007f17a8464f88@144684b0]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@608f3f28[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 30]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@42ece36[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@25933e75[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$253/0x00007f17a8464f88@62569bc4]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@fa198bc[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 1792]

Task io.micrometer.core.instrument.internal.TimedRunnable@6e85019b rejected from java.util.concurrent.ThreadPoolExecutor@1956c248[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 448]

Task io.micrometer.core.instrument.internal.TimedRunnable@aa2f829 rejected from java.util.concurrent.ThreadPoolExecutor@1956c248[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 448]