A distributed web application request coinciding with leaving of the primary session owner can cause an NPE

embed-server --server-config=standalone-ha.xml
if (outcome != success) of /subsystem=jgroups:read-attribute(name=default-stack)
/subsystem=jgroups/channel=ee:write-attribute(name=stack,value=tcp)
else
/subsystem=jgroups:write-attribute(name=default-stack,value=tcp)
/subsystem=jgroups/channel=ee:write-attribute(name=stack,value=tcp)
end-if
/subsystem=infinispan/cache-container=web/scattered-cache=testScattered:add()
/subsystem=infinispan/cache-container=web:write-attribute(name=default-cache, value=testScattered)

2022-11-30 10:03:11,367 INFO  [org.infinispan.CLUSTER] (thread-35,ejb,wildfly4) ISPN100000: Node wildfly1 joined the cluster
2022-11-30 10:04:57,116 ERROR [io.undertow.servlet.request] (default task-42) UT015005: Error invoking method requestInitialized on listener class org.jboss.weld.module.web.servlet.WeldInitialListener: java.lang.NullPointerException
	at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1690)
	at org.wildfly.clustering.server.infinispan@8.0.0.Beta-redhat-00003//org.wildfly.clustering.server.infinispan.dispatcher.ChannelCommandDispatcherFactory.createNode(ChannelCommandDispatcherFactory.java:271)
	at org.wildfly.clustering.server.infinispan@8.0.0.Beta-redhat-00003//org.wildfly.clustering.server.infinispan.dispatcher.ChannelCommandDispatcherFactory.createNode(ChannelCommandDispatcherFactory.java:83)
	at org.wildfly.clustering.server.infinispan@8.0.0.Beta-redhat-00003//org.wildfly.clustering.server.infinispan.group.CacheGroup.createNode(CacheGroup.java:129)
	at org.wildfly.clustering.server.infinispan@8.0.0.Beta-redhat-00003//org.wildfly.clustering.server.infinispan.group.CacheGroup.createNode(CacheGroup.java:65)
	at org.wildfly.clustering.ee.infinispan@8.0.0.Beta-redhat-00003//org.wildfly.clustering.ee.infinispan.PrimaryOwnerLocator.apply(PrimaryOwnerLocator.java:54)
	at org.wildfly.clustering.ee.infinispan@8.0.0.Beta-redhat-00003//org.wildfly.clustering.ee.infinispan.PrimaryOwnerLocator.apply(PrimaryOwnerLocator.java:38)
	at org.wildfly.clustering.web.infinispan@8.0.0.Beta-redhat-00003//org.wildfly.clustering.web.infinispan.routing.PrimaryOwnerRouteLocator.locate(PrimaryOwnerRouteLocator.java:55)
	at org.wildfly.clustering.web.undertow@8.0.0.Beta-redhat-00003//org.wildfly.clustering.web.undertow.routing.DistributableSessionIdentifierCodec.encode(DistributableSessionIdentifierCodec.java:45)
	at org.wildfly.extension.undertow@8.0.0.Beta-redhat-00003//org.wildfly.extension.undertow.session.CodecSessionConfig.findSessionId(CodecSessionConfig.java:63)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.spec.ServletContextImpl$ServletContextSessionConfig.findSessionId(ServletContextImpl.java:1255)
	at org.wildfly.clustering.web.undertow@8.0.0.Beta-redhat-00003//org.wildfly.clustering.web.undertow.session.DistributableSessionManager.getSession(DistributableSessionManager.java:220)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.spec.ServletContextImpl.getSession(ServletContextImpl.java:878)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.spec.HttpServletRequestImpl.getSession(HttpServletRequestImpl.java:443)
	at org.jboss.weld.core@5.0.1.Final-redhat-00001//org.jboss.weld.module.web.servlet.SessionHolder.requestInitialized(SessionHolder.java:47)
	at org.jboss.weld.core@5.0.1.Final-redhat-00001//org.jboss.weld.module.web.servlet.HttpContextLifecycle.requestInitialized(HttpContextLifecycle.java:260)
	at org.jboss.weld.core@5.0.1.Final-redhat-00001//org.jboss.weld.module.web.servlet.WeldInitialListener.requestInitialized(WeldInitialListener.java:146)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.core.ApplicationListeners.requestInitialized(ApplicationListeners.java:263)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:274)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:134)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:131)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow@8.0.0.Beta-redhat-00003//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1431)
	at org.wildfly.extension.undertow@8.0.0.Beta-redhat-00003//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1431)
	at org.wildfly.extension.undertow@8.0.0.Beta-redhat-00003//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1431)
	at org.wildfly.extension.undertow@8.0.0.Beta-redhat-00003//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1431)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:255)
	at io.undertow.servlet@2.3.0.Alpha2-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:100)
	at io.undertow.core@2.3.0.Alpha2-redhat-00001//io.undertow.server.Connectors.executeRootHandler(Connectors.java:387)
	at io.undertow.core@2.3.0.Alpha2-redhat-00001//io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:859)
	at org.jboss.threads@2.4.0.Final-redhat-00001//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
	at org.jboss.threads@2.4.0.Final-redhat-00001//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
	at org.jboss.threads@2.4.0.Final-redhat-00001//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
	at org.jboss.threads@2.4.0.Final-redhat-00001//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
	at org.jboss.xnio@3.8.7.Final-redhat-00001//org.xnio.XnioWorker$WorkerThreadFactory$1$1.run(XnioWorker.java:1282)
	at java.base/java.lang.Thread.run(Thread.java:834)