Major Scenario: we have a four nodes cluster and we trigger fail-over by shutting down the nodes one by one in a sequence (EAP Shut-down);
We spotted the following error during shutdown :
2023-04-01 00:46:01,164 INFO [org.infinispan.CLUSTER] (ServerService Thread Pool -- 95) [Context=org.infinispan.CONFIG] ISPN100008: Updating cache members list [wildfly3, wildfly4, wildfly1], topology id 25 2023-04-01 00:46:01,181 ERROR [org.xnio.listener] (default I/O-1) XNIO001007: A channel event listener threw an exception: java.lang.IllegalStateException: UT000131: Buffer pool is closed at io.undertow.core@2.3.4.Final//io.undertow.server.DefaultByteBufferPool.allocate(DefaultByteBufferPool.java:117) at io.undertow.core@2.3.4.Final//io.undertow.server.protocol.http.HttpReadListener.handleEventWithNoRunningRequest(HttpReadListener.java:147) at io.undertow.core@2.3.4.Final//io.undertow.server.protocol.http.HttpReadListener.handleEvent(HttpReadListener.java:136) at io.undertow.core@2.3.4.Final//io.undertow.server.protocol.http.HttpReadListener.handleEvent(HttpReadListener.java:59) at org.jboss.xnio@3.8.8.Final-redhat-00001//org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) at org.jboss.xnio@3.8.8.Final-redhat-00001//org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66) at io.undertow.core@2.3.4.Final//io.undertow.conduits.ReadTimeoutStreamSourceConduit$2.readReady(ReadTimeoutStreamSourceConduit.java:106) at org.jboss.xnio.nio@3.8.8.Final-redhat-00001//org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89) at org.jboss.xnio.nio@3.8.8.Final-redhat-00001//org.xnio.nio.WorkerThread.run(WorkerThread.java:591)