Exception when stopping a SonarQube cluster

When stopping all the nodes of a cluster, an error is written in sonar.log:

Exception in thread "hz._hzInstance_1_SonarQube.cached.thread-4" java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@2c4897e6 rejected from java.util.concurrent.ScheduledThreadPoolExecutor@3f38ac3[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 4308]
at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2066)
at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:830)
at java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:326)
at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:533)
at com.hazelcast.spi.impl.operationservice.impl.InvocationMonitor.onMemberLeft(InvocationMonitor.java:180)
at com.hazelcast.spi.impl.operationservice.impl.OperationServiceImpl.onMemberLeft(OperationServiceImpl.java:423)
at com.hazelcast.spi.impl.NodeEngineImpl.onMemberLeft(NodeEngineImpl.java:432)
at com.hazelcast.internal.cluster.impl.ClusterServiceImpl.onMemberRemove(ClusterServiceImpl.java:643)
at com.hazelcast.internal.cluster.impl.ClusterServiceImpl.removeMember(ClusterServiceImpl.java:628)
at com.hazelcast.internal.cluster.impl.ClusterServiceImpl.doRemoveAddress(ClusterServiceImpl.java:257)
at com.hazelcast.internal.cluster.impl.ClusterServiceImpl.removeAddress(ClusterServiceImpl.java:235)
at com.hazelcast.nio.NodeIOService$3.run(NodeIOService.java:149)
at com.hazelcast.util.executor.CachedExecutorServiceDelegate$Worker.run(CachedExecutorServiceDelegate.java:228)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:64)
at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:80)