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$ScheduledFutureTask@2050519[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@2541c99d[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$262/0x00007f8888476838@1291b3fa]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@3dc26120[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 28]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@35b95966[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@5007691c[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$262/0x00007f8888476838@3736b188]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@49720257[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 35]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@4f6b1ef8[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@58ba9cb1[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$262/0x00007f8888476838@7b4cabc9]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@356d1f39[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 28]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@147771f9[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@2c387d04[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$262/0x00007f8888476838@5435d5a3]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@4a636fce[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 7872]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@22b73191[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@2130ad6b[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$262/0x00007f8888476838@3769ff2d]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@54c4ba67[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 45]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@6a76fdef[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@14164f37[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$262/0x00007f8888476838@3faee5d9]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@f39c449[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 30]

Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@783c4086[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@395407ae[Wrapped task = com.baidu.bifromq.basekv.store.util.AsyncRunner$$Lambda$262/0x00007f8888476838@13053b61]] rejected from java.util.concurrent.ScheduledThreadPoolExecutor@540cf972[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 1272]

Task io.micrometer.core.instrument.internal.TimedRunnable@376f843f rejected from java.util.concurrent.ThreadPoolExecutor@39a87ca2[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 131]

Task io.micrometer.core.instrument.internal.TimedRunnable@6fa313c5 rejected from java.util.concurrent.ThreadPoolExecutor@39a87ca2[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 131]