title: Spring Boot 2.2.6 failed in WildFly20
body: <p>I'm exactly not sure what went wrong, but I'm sure previously it used to work. All of sudden spring boot application started failing saying below error</p>
  <pre><code>23:21:24,728 DEBUG [org.jboss.as.ee] (MSC service thread 1-4) Not installing optional component org.springframework.http.server.reactive.ServletServerHttpRequest$RequestAsyncListener due to an exception: org.jboss.as.server.deployment.DeploymentUnitProcessingException: WFLYEE0048: Could not find default constructor for class org.springframework.http.server.reactive.ServletServerHttpRequest$RequestAsyncListener
      at org.jboss.as.ee@20.0.1.Final//org.jboss.as.ee.component.DefaultInterceptorConfigurator.configure(DefaultInterceptorConfigurator.java:92)
      at org.jboss.as.ee@20.0.1.Final//org.jboss.as.ee.component.deployers.EEModuleConfigurationProcessor.deploy(EEModuleConfigurationProcessor.java:92)
      at org.jboss.as.server@12.0.3.Final//org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:182)
      at org.jboss.msc@1.4.11.Final//org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1739)
      at org.jboss.msc@1.4.11.Final//org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1701)
      at org.jboss.msc@1.4.11.Final//org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1559)
      at org.jboss.threads@2.3.3.Final//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
      at org.jboss.threads@2.3.3.Final//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982)
      at org.jboss.threads@2.3.3.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
      at org.jboss.threads@2.3.3.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
      at java.base/java.lang.Thread.run(Thread.java:829)
  </code></pre>
  <p>Any help would be really appreciated.</p>