Flash Scope is not cleared when JSF1095 is occurred --------------------------------------------------- Key: WFLY-12739 URL: https://issues.jboss.org/browse/WFLY-12739 Project: WildFly Issue Type: Bug Components: JSF Reporter: Bartosz Spyrko Assignee: Bartosz Spyrko Priority: Major Labels: downstream_dependency If committing the response for file download processing and using Flash Scope in the action method are combined as the following code, the Flash Scope will not be cleared in subsequent requests. {code:java} try { // The response is committed by following code. // Therefore, mojarra can not set csfcfc Cookie to identify FlashScope. externalContext.responseFlushBuffer(); facesContext.responseComplete(); } catch (Exception e) { e.printStackTrace(); } Flash flash = FacesContext.getCurrentInstance().getExternalContext().getFlash(); flash.put("business", businessMap); {code} In other words, if the below log shows in server.log, the Flash Scope will not be cleared in subsequent requests. {noformat} 2019-10-28 10:38:09,180 WARNING [javax.enterprise.resource.webcontainer.jsf.flash] (default task-1) JSF1095: The response was already committed by the time we tried to set the outgoing cookie for the flash. Any values stored to the flash will not be available on the next request. {noformat}