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https://issues.apache.org/jira/browse/MYFACES-3358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13137429#comment-13137429
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Leonardo Uribe commented on MYFACES-3358:
-----------------------------------------
Spec issue created for reference:
http://java.net/jira/browse/JAVASERVERFACES_SPEC_PUBLIC-1045
> Flash created in ExceptionHandler not work
> ------------------------------------------
>
> Key: MYFACES-3358
> URL: https://issues.apache.org/jira/browse/MYFACES-3358
> Project: MyFaces Core
> Issue Type: Bug
> Components: JSR-314
> Affects Versions: 2.1.3
> Environment: WebSphere 8.0
> Reporter: Keith Wong
> Assignee: Leonardo Uribe
>
> I have a custom ExceptionHandler for handling ViewExpiredException as
> occurred in session timeout or application restart. I have to tell the user
> in the redirected page the reason for being redirected. Here is the handler:
> public void handle() throws FacesException {
> for (Iterator<ExceptionQueuedEvent>
> i=getUnhandledExceptionQueuedEvents().iterator(); i.hasNext(); ) {
> ExceptionQueuedEventContext context =
> i.next().getContext();
> Throwable t = context.getException();
> if (t instanceof ViewExpiredException) {
> FacesContext ctx =
> FacesContext.getCurrentInstance();
> ViewExpiredException vee =
> (ViewExpiredException)t;
> try {
> ctx.addMessage(null, new
> FacesMessage(FacesMessage.SEVERITY_ERROR, vee.getClass().getName(),
> vee.getMessage()));
> Flash flash =
> ctx.getExternalContext().getFlash();
> flash.put("expiredViewId",
> vee.getViewId());
> flash.setKeepMessages(true);
>
> ctx.getApplication().getNavigationHandler().handleNavigation(ctx, null,
> "/login?faces-redirect=true");
> ctx.renderResponse();
> }
> finally {
> i.remove();
> }
> }
> }
> super.handle();
> }
> In the login.xhtml, it has #{flash.expiredViewId} and <f:messages> but both
> are empty when displayed.
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