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My odoo system has been hosted in the cloud. And I can access through the private IP address only. Recently, I can create a demo database but when I installed an app after some time odoo shows a blank page. It does not show any application nor any images or menu bar.

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Are there any errors in the logfile (under /var/log/odoo)? Did you install all requirements for Odoo?

Failed to load resource: net::ERR_CONNECTION_RESET

web.assets_common.js:3982 Tour Manager is ready.  running_tour=null

web.assets_common.js:3456 info: Some modules could not be started

web.assets_common.js:3461 Debug:                    {web_tour.DebugManager: {…}, mail.tour: {…}, account.tour_bank_statement_reconciliation: {…}, account.tour: {…}, sale.tour: {…}, …}

web.assets_backend.js:456 Uncaught Error: QWeb2: Template 'ControlPanel' not found

    at Object.exception (web.assets_common.js:3374)

    at Engine._render (web.assets_common.js:3419)

    at Engine.render (web.assets_common.js:3415)

    at Class.renderElement (web.assets_common.js:3672)

    at web.assets_common.js:3682

    at web.assets_common.js:802

    at fire (web.assets_common.js:796)

    at Object.add [as done] (web.assets_common.js:797)

    at Array.<anonymous> (web.assets_common.js:802)

    at Function.each (web.assets_common.js:625)

exception @ web.assets_common.js:3374

_render @ web.assets_common.js:3419

render @ web.assets_common.js:3415

renderElement @ web.assets_common.js:3672

(anonymous) @ web.assets_common.js:3682

(anonymous) @ web.assets_common.js:802

fire @ web.assets_common.js:796

add @ web.assets_common.js:797

(anonymous) @ web.assets_common.js:802

each @ web.assets_common.js:625

(anonymous) @ web.assets_common.js:802

Deferred @ web.assets_common.js:803

then @ web.assets_common.js:802

_widgetRenderAndInsert @ web.assets_common.js:3681

insertBefore @ web.assets_common.js:3672

start @ web.assets_backend.js:456

prototype.(anonymous function) @ web.assets_common.js:3537

(anonymous) @ web.assets_common.js:3682

(anonymous) @ web.assets_common.js:802

fire @ web.assets_common.js:796

add @ web.assets_common.js:797

(anonymous) @ web.assets_common.js:802

each @ web.assets_common.js:625

(anonymous) @ web.assets_common.js:802

Deferred @ web.assets_common.js:803

then @ web.assets_common.js:802

_widgetRenderAndInsert @ web.assets_common.js:3681

appendTo @ web.assets_common.js:3672

set_action_manager @ web.assets_backend.js:566

(anonymous) @ web.assets_backend.js:556

(anonymous) @ web.assets_common.js:802

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

deferred.(anonymous function) @ web.assets_common.js:803

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

deferred.(anonymous function) @ web.assets_common.js:803

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

deferred.(anonymous function) @ web.assets_common.js:803

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

deferred.(anonymous function) @ web.assets_common.js:803

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

deferred.(anonymous function) @ web.assets_common.js:803

script.onload.script.onreadystatechange @ web.assets_common.js:3569

load (async)

loadJS @ web.assets_common.js:3568

load_js @ web.assets_common.js:3701

(anonymous) @ web.assets_common.js:3701

(anonymous) @ web.assets_common.js:802

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

deferred.(anonymous function) @ web.assets_common.js:803

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

deferred.(anonymous function) @ web.assets_common.js:803

(anonymous) @ web.assets_common.js:3556

(anonymous) @ web.assets_common.js:802

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

(anonymous) @ web.assets_common.js:802

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

done @ web.assets_common.js:1192

callback @ web.assets_common.js:1212

XMLHttpRequest.send (async)

send @ web.assets_common.js:1209

ajax @ web.assets_common.js:1185

(anonymous) @ web.assets_common.js:3560

genericJsonRpc @ web.assets_common.js:3554

jsonRpc @ web.assets_common.js:3560

(anonymous) @ web.assets_common.js:3714

(anonymous) @ web.assets_common.js:802

fire @ web.assets_common.js:796

add @ web.assets_common.js:797

(anonymous) @ web.assets_common.js:802

each @ web.assets_common.js:625

(anonymous) @ web.assets_common.js:802

Deferred @ web.assets_common.js:803

then @ web.assets_common.js:802

rpc @ web.assets_common.js:3711

load_translations @ web.assets_common.js:3549

load_translations @ web.assets_common.js:3701

load_modules @ web.assets_common.js:3700

(anonymous) @ web.assets_common.js:3692

(anonymous) @ web.assets_common.js:802

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

deferred.(anonymous function) @ web.assets_common.js:803

(anonymous) @ web.assets_common.js:3749

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

(anonymous) @ web.assets_common.js:802

fire @ web.assets_common.js:796

fireWith @ web.assets_common.js:801

done @ web.assets_common.js:1192

callback @ web.assets_common.js:1212

web.assets_backend.js:651 Uncaught Error: QWeb2: Template 'CrashManager.error' not found

    at Object.exception (web.assets_common.js:3374)

    at Engine._render (web.assets_common.js:3419)

    at Engine.render (web.assets_common.js:3415)

    at Class.show_error (web.assets_backend.js:651)

    at window.onerror (web.assets_backend.js:557)

This type of errror is shown in my web browser console. Does anyone can help me out on this ?

Best Answer

It just happen to me except that the issue only occurs in https not http

After enabling debug log on nginx, it turns out that this error message was printed:
client exceeded http2_max_field_size limit while processing HTTP/2 connection

Adding following line on my nginx server configuration fixed this error:

http2_max_field_size 8k;
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Best Answer

He's already said there's a browser/js error... "web.assets_backend.js:651 Uncaught Error: QWeb2: Template 'CrashManager.error' not found" right there in the message above yours.

Can anyone actually help debug this? Are there no odoo programmers on these forums? I've never seen one answer yet in these forums... just "check this", "try this (vague thing)" but no details or solutions!

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Author

True sir, it always takes months to be answered properly which consumes lots of times.

Best Answer

check the browser's console. It's often a js problem in the custom app

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