Flash Message in Passport js Keeps Returning Blank Messages

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Recently, I was in trouble with receiving the flash message from passport.js on failure redirect.

     router.post('/login', passport.authenticate('local-login', { successRedirect: '/users/admin',

                                                                  failureRedirect: '/users',

                                                                 failureFlash: true })

                                                );

I tried to display the flash message that mentions the invalid username or password on the login page. However, the flash message always displays blank array of flash messages ( {} ).

     router.get('/', function(req, res, next) {

        res.render('login', { title: 'Login | Lab Report', error: req.flash('error') });

     });

Later, I figured out the problem with my configuration of the session. It was the matter of setting the maxAge for the cookie; It was set only for 60 milliseconds. So, I solved my problem by setting the cookie's maxAge to 1000 * 60 * 60 (1hr). Is it funny? I feel it xD

     app.use(session({
          resave: true, 

        saveUninitialized: true, 

        secret: 'michael10devel', 

         cookie: { maxAge: 1000 * 60 * 60 }

    }));

Hope this will help.

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Written By: Michael Devel

Date: 24th, Oct 2017