Page template locked by process

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Arnór Halldórsson

Posted on 12/04/2023 12:26:13

Hi nerds,

One of our live websites got this error today and it blocked the website from being viewed:

System.ApplicationException: The process cannot access the file 'D:\Dynamicweb\Files\Templates\Designs\ProjectName\_parsed\DefaultPage_Vite.parsed.cshtml' because it is being used by another process. at Dynamicweb.Core.Helpers.TextFileHelper.ReadTextFile(String path, Encoding encoding) at Dynamicweb.Rendering.Reader.Read(String path, Int32 counter, Encoding encoding, Boolean replaceTags, Boolean& isCached, List`1 includes)

The page template in question looks like this:

@inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.PageViewModel>

@using Dynamicweb.Environment;

@using Advania.Custom.Extensions;

@MasterPageFile("Master/Master_Vite.cshtml")

@{

    ExecutingContext context = new ExecutingContext();

    bool isVisualEditor = context.IsVisualEditor();

}

@if (isVisualEditor)

{

    <grid>

        @Model.Grid("grid", "Grid", "", "VueGrid")

    </grid>

} else

{

    <app></app>

}

Best regards,
Arnór

Replies

Nicolai Pedersen

Posted on 31/05/2023 18:52:20

Hi Arnor

Can be many things locking the file - antivirus, back jobs etc.. Did you see the error again?

It is not a known issue at least.

BR Nicolai

Andrew Rushworth

Posted on 25/11/2024 11:25:25

Hi,

We are experiencing this a lot on Azure hosting - tends to be when users are editing content.

Thanks,
Andrew

Kevin Steffer

Posted on 02/12/2024 13:05:55

We also have a couple of cases lately on DW 9.15.x, 9.16.x and 9.17.x

Where the frontend just dies because the <Page>.parsed.cshtml is already in use. And file is locked - the only way out of it is to recycle App Pool.

Imar Spaanjaars

Posted on 09/12/2024 15:04:25

We had a similar issue where this was caused by the deletion of the _parsed folder based on a specific query string variable. I believe that code has now gone and the changes should be available in 9.17.15 and 9.18.1.

Lauritz Holtze

Posted on 03/07/2025 08:07:55

We have also had this happen today on a client. a recycle fixes it. I recall have seen this on several solutions. The client in question today is on 9.18.3.

I think this should be looked at. Either by product development, or at the least hosting, to make sure we proactively catch this front-end exception that makes the whole site down.

Nicolai Pedersen

Posted on 03/07/2025 09:49:51

This post has been marked as an answer

I have created bug 24867 https://dev.azure.com/dynamicwebsoftware/Dynamicweb/_workitems/edit/24867

A suggestion to changing the process of reading parsed files have been implemented and needs testing and verification.

BR Nicolai

Votes for this answer: 1

Arnór Halldórsson

Posted on 03/07/2025 11:37:21

Hi Nicolai,

Great news! Thank you :)

BR,
Arnór

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Page template locked by process

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