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Cloudron Forum

Apps | Demo | Docs | Install

Large JSON file upload getting nginx 413 error

Scheduled Pinned Locked Moved Solved Ghost
nginxuploadcloudflare
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  • T Offline
    T Offline
    tkd
    wrote on last edited by girish
    #1

    I'm trying to import JSON blog content into Ghost using the Ghost admin dashboard: Settings -> Labs -> Import Content

    After a minute or so Ghost gives the error:
    Import failed - Request is larger than the maximum file size the server allows.

    This seems to be down to a 413 Request Entity Too Large response from Nginx.

    Is there a way to increase this limit on a per app basis or globally, temp or permanently?

    The file is 137MB.

    Ghost version 3.26.1 - package (v3.126.0)

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  • girishG Offline
    girishG Offline
    girish Staff
    wrote on last edited by
    #2

    Not sure where nginx is coming into the picture. Cloudron's reverse proxy is indeed nginx but it has no upload limits since we leave it to the app. Ghost itself has no upload limits afaik. Do you have happen to use a http proxy? Can you try uploading with a different network?

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  • T Offline
    T Offline
    tkd
    wrote on last edited by
    #3

    There is no proxy anywhere on my connection or the server. Someone else has reported this problem to me and I have found the same problem. I can try later with a 4G mobile connection but as someone else has the same issue and my internet connection is gigabit fibre I do not think it has anything to do with the connection.

    marcusquinnM 1 Reply Last reply
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  • marcusquinnM Offline
    marcusquinnM Offline
    marcusquinn
    replied to tkd on last edited by marcusquinn
    #4

    @tkd I know Cloudflare has a 100MB upload limit if you are using that proxy and other proxies or WAFs may also have limits before the web server. May help, may not, troubleshooting process of elimination there though.

    We're not here for a long time - but we are here for a good time :)
    Jersey/UK
    Work & Ecommerce Advice: https://brandlight.org
    Personal & Software Tips: https://marcusquinn.com

    girishG 1 Reply Last reply
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  • girishG Offline
    girishG Offline
    girish Staff
    replied to marcusquinn on last edited by
    #5

    @marcusquinn Oh, did not know that. In fact, the error message seems exactly the same - https://community.cloudflare.com/t/413-request-entity-too-large-upload-limit-100mb/97630 . So @tkd do you use Cloudflare?

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  • marcusquinnM Offline
    marcusquinnM Offline
    marcusquinn
    wrote on last edited by
    #6

    @girish Yeah, and it's $20/month per domain for "Pro" to increase that limit.

    Hence, I'm looking at a DNS Made Easy + X4B + BunnyCDN combo as an alternative.

    A little more work to manage separately but the ability to control costs and features more granularly is necessary when managing a variety of domain needs but aiming for a common system among all of them.

    We're not here for a long time - but we are here for a good time :)
    Jersey/UK
    Work & Ecommerce Advice: https://brandlight.org
    Personal & Software Tips: https://marcusquinn.com

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  • T Offline
    T Offline
    tkd
    wrote on last edited by
    #7

    No I'm not using Cloudflare, Cloudron is hosted at Digital Ocean using and I'm connecting direct to the server, as I mentioned above I'm not aware of any proxy or anything between the browser and Cloudron.

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  • nebulonN Offline
    nebulonN Offline
    nebulon Staff
    wrote on last edited by
    #8

    @tkd do you have a test json file for us to work with? If you have non public data in there, you may also send us a mail to support@cloudron.io

    So far I wasn't finding a quick way to generate an export with over 100M

    T 1 Reply Last reply
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  • T Offline
    T Offline
    tkd
    replied to nebulon on last edited by
    #9

    @nebulon Sure, it's non public so I will email to support address now thanks.

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  • nebulonN Offline
    nebulonN Offline
    nebulon Staff
    wrote on last edited by
    #10

    Ok, thanks that helped. There are two memory related issues I can reproduce.

    1. Memory limit from Cloudron side: With that json import I had to at least bump up the memory limit for that app instance via the Cloudron dashboard to 1Gb temporarily
    2. It will still fail due to JavaScript heap out of memory in nodejs

    Both issues will result in status code 413, which results in Ghost showing the error message Request is larger than the maximum file size the server allows which is not related to the actual upload size or so, but actually a processing memory requirement issue.

    I don't yet have a solution but just wanted to give an update here.

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  • T Offline
    T Offline
    tkd
    wrote on last edited by
    #11

    Thanks. This is quite important to us to get this loaded into a Ghost instance. If anyone has any ideas or a temporary work around I'd be happy to know - or if Ghost has another method of importing content that would work with the Cloudron package.

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  • nebulonN Offline
    nebulonN Offline
    nebulon Staff
    wrote on last edited by
    #12

    So the fix, with which I was successfully able to import this file is, to give the javascript engine, which is used by nodejs, more heap space:

    node --max-old-space-size=4096  current/index.js
    

    In this case allowing up to 4Gb. The issue is, I am not sure how to put this properly in the package, as this heavily depends on the set memory limit of the whole app instance.

    Hopefully we can come up with a good solution later today.

    T 1 Reply Last reply
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  • T Offline
    T Offline
    tkd
    replied to nebulon on last edited by
    #13

    @nebulon Appreciated. If there is any temporary command I can execute in the app's terminal for now that would make this setting would be fine until you have a full fix.

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  • nebulonN Offline
    nebulonN Offline
    nebulon Staff
    wrote on last edited by
    #14

    We will make a new release which contains a env file at /app/data/env
    There the max-old-space can be set/overwriten temporarily for the import. The test json in this case worked with a 2Gb limit for me.

    The file can be changed using the file manger from the cloudron dashboard or webterminal. Once changed, the app has to be restarted.

    Of course first update your ghost instance to latest package version 3.126.1 🙂

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  • girishG Offline
    girishG Offline
    girish Staff
    wrote on last edited by
    #15

    @tkd Docs are here for the new package - https://cloudron.io/documentation/apps/ghost/#importing

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  • T Offline
    T Offline
    tkd
    wrote on last edited by
    #16

    Thanks guys, managed to get this working with the new package 👍

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  • marcusquinnM Offline
    marcusquinnM Offline
    marcusquinn
    wrote on last edited by
    #17

    Truly heroic support! 🙌 Happy to know this is covered and tested 🙂

    We're not here for a long time - but we are here for a good time :)
    Jersey/UK
    Work & Ecommerce Advice: https://brandlight.org
    Personal & Software Tips: https://marcusquinn.com

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