Blank page at first connection

[Bking]

Hello,

My instalaltion went well.

But when it goes to the end of the installation I have a blank page.

We have in the EspoCRM browser tab and at the bottom © 2018 EspoCRM.

But no display ...

Thank you for your help and forgiven my english.

[yuri]

Hi,

https://github.com/espocrm/documentation/blob/master/docs/administration/troubleshooting.md

Also check file permissions: https://github.com/espocrm/documenta...-based-systems

[A. Conrads]

Hi,
I have the same issue with Firefox 60.0 and EspoCRM 5.3.2 on a Bitnami-Google-Cloud-Stack.

After clearing the cache and rebuilding via ssh ("INSTALL-DIRECTORY"/htdocs$ sudo php clear_cache.php and "INSTALL-DIRECTORY"/htdocs$ sudo php rebuild.php) it´works, but just in one Firefox window, after some reloads (F5).
When I open a new tab (e.g. Calender + Leads), I get the same blank screen in the new tab.

With Chrome everything works just fine. Seems to be a browser problem...

[tanya]

Could you check on your browser, whether demo works fine?
Also press F12 and check in browser console on errors

[A. Conrads]

Hi tanya,
thanks for looking into this matter. Strangely, the demo seems to work fine with Firefox.


I've tried F12 in Firefox with my installation and found an error:

[FONT=courier new]unreachable code after return statement  espo.min.js:206:12 [/FONT]

With Chromium I got the following message, but with Chromium/Chrome everything seems to work without any problems:

[FONT=courier new][Violation] Forced reflow while executing JavaScript took 30ms

[Violation] Forced reflow while executing JavaScript took 31ms

espo.min.js,qr=1534141274.pagespeed.jm.CfpX1x0i4a.js:1 [Violation] Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler as 'passive' to make the page more responsive. See https://www.chromestatus.com/feature/5745543795965952
add @ espo.min.js,qr=1534141274.pagespeed.jm.CfpX1x0i4a.js:1
(anonymous) @ espo.min.js,qr=1534141274.pagespeed.jm.CfpX1x0i4a.js:1
each @ espo.min.js,qr=1534141274.pagespeed.jm.CfpX1x0i4a.js:1
each @ espo.min.js,qr=1534141274.pagespeed.jm.CfpX1x0i4a.js:1
on @ espo.min.js,qr=1534141274.pagespeed.jm.CfpX1x0i4a.js:1
e.bindDateHandlerToEl @ VM131:2
e.bindToEl @ VM131:7
e.setElement @ VM131:2
e.renderSkeleton @ VM131:4
e.setElement @ VM131:7
e.setElement @ VM131:2
t.renderView @ VM131:4
t.initialRender @ VM131:4
t.render @ VM131:4
(anonymous) @ VM131:6
each @ espo.min.js,qr=1534141274.pagespeed.jm.CfpX1x0i4a.js:1
each @ espo.min.js,qr=1534141274.pagespeed.jm.CfpX1x0i4a.js:1
r.fn.fullCalendar @ VM131:6
(anonymous) @ VM124:728

[Violation] 'setTimeout' handler took 133ms[/FONT]

[tanya]

There are not valuable messages.

[A. Conrads]

Maybe there is something wrong with a return statement in the JavaScript file "htdocs/client/espo.min.js". The Firefox error message pointed to a specific function statement, which I highlighted:

 [...] function Ta(a, b) {
        var c, d = 0, e = {
          [B]  [U]height: a[/U][/B]
        };
        for (b = b ? 1 : 0; 4 > d; d += 2 - b)
            c = R[d],
            e["margin" + c] = e["padding" + c] = a;
        return b && (e.opacity = e.width = a),
        e
    } [...]

Since I'm not exactly a big coder, especially when it comes to JavaScript, I hope someone finds himself more knowledgeable than me to solve the problem. Nevertheless, I'll keep trying to find the bug. Hopefully it's just a missing curly bracket or a semicolon...

[A. Conrads]

It seems like the same issue has been solved in another thread:

https://forum.espocrm.com/forum/bug-reports/35141-blank-white-screen

I deactivated pagespeed in "/apps/espocrm/conf/htaccess.conf" by adding the following lines at the end of the file:

<IfModule pagespeed_module>
  ModPagespeed off
</IfModule>

Now EspoCRM works fine with Firefox. Blank-page problem solved. Even if the espo.min.js-error in Firefox still exists...