31,113 questions
0
votes
0
answers
25
views
Slack files.getUploadURLExternal API returns “missing required field: length / filename” even though fields are provided
I'm trying to migrate from the deprecated files.upload API to the new Slack upload flow using files.getUploadURLExternal.
According to the documentation, the request should include a filename and ...
- 75
0
votes
0
answers
41
views
Cloudinary error: "Customer is marked as untrusted" or "Blocked for delivery" when accessing uploaded PDF files
I’m using Cloudinary to upload documents (PDFs, ZIPs, etc.) from my Next.js app.
The upload succeeds, but when I try to access the file via URL like:
In the Cloudinary Media Library, it says:
Access ...
Best practices
0
votes
0
replies
50
views
Optimal way to upload large files (up to 10GB) in GCS from frontend client
My use case is simple in nature.
I have a platform where users can upload any files up to 20GB.
My current solution is:
Frontend Client asks for a presignedURL which the Backend generates
return ...
- 53
1
vote
1
answer
59
views
Streamlit file uploader returning 400 Bad Request when deployed on Modal (works locally)
I have a Streamlit app that runs perfectly on my local machine but throws a
400 Bad Request error when deployed on Modal (serverless container).
Here’s the relevant setup:
streamlit_app.py
import ...
- 9
1
vote
2
answers
127
views
Validating file type by NestJS with UploadedFile decorator
I have a very simple validation pipe for accepting MS Word and PDF files.
@UploadedFile(
new ParseFilePipe({
validators: [
new FileTypeValidator({ fileType: '.(doc|docx|pdf)' })...
- 49
2
votes
1
answer
122
views
How to allow large file uploads (>50 MB) in ASP.NET Core 6/7 Web API hosted on Azure App Service
I have an ASP.NET Core 6/7 Web API with an endpoint that uploads files using multipart/form-data. I want to allow files of 50 MB or larger.
I'm currently testing with cURL:
curl -X POST "https://...
- 122
0
votes
0
answers
32
views
Laravel + Imagick: Thumbnails return 0×0 images in browser despite valid 200 response
I’m building a Laravel + React (Inertia.js) application where users can upload files (PDFs, images, etc.).
For each file, I generate a thumbnail so I can display it in a gallery card (CardFile.jsx).
...
- 1
0
votes
0
answers
68
views
FilePond Image Preview Not Working & MIME Type Error in LWC and LWR Site
I am currently implementing an image upload functionality in Lightning Web Components (LWC) using FilePond on an LWR Experience Cloud Site (Salesforce).
I have developed a LWC that uses FilePond for ...
0
votes
1
answer
43
views
File not reaching backend on Streamlit - stuck on uploading on backend (localhost)
I've been trying to upload a file to streamlit and it is getting stuck on the uploading part. It was working perfectly before, the LLM was connected and I was getting correct responses. Then I added ...
- 111
0
votes
0
answers
89
views
How does a .NET Controller know to apply the CancellationToken = default [duplicate]
EDIT 2 (please reinstate this question)
As (see below) the CancellationToken is NOT sent from caller to callee of an API, how does .NET C# know to apply the default= option of a Controller methods' ...
- 1,483
-1
votes
1
answer
250
views
Upload multiple files when placing a WooCommerce order
I am using a code that adds a file upload field on the checkout page. How to add file upload to WooCommerce checkout? Many thanks to @LoicTheAztec for this code.
I have created the files ...
- 105
0
votes
0
answers
51
views
UnicodeDecodeError on AWS SAM LOCAL file upload
I'm getting this error when I try to use my front-end to upload a file/files in my AWS SAM Local.
Is there a known issue in AWS SAM LOCAL?
2025-08-20 11:11:24,064 | UnicodeDecodeError while processing ...
- 1
2
votes
1
answer
76
views
Supabase Storage Upload Works on Desktop but Fails on Mobile
I’ve run into a weird issue with Supabase Storage and could really use some help.
I'm building a document uploader using Supabase Storage. Everything works perfectly on desktop, but when I try ...
0
votes
1
answer
66
views
react-native-background-upload not working in ios kill mode
I’m using react-native-background-upload and it works on Android, but it’s not uploading files on iOS when the app is in kill mode.i have tried with their other library for ios but still not working ...
0
votes
0
answers
87
views
JSCH SFTP upload error: throwStatusError - Status code 4, but no message shown
I'm trying to upload a file to an SFTP server using the JSCH library in Java, but I'm getting a generic error with status code 4, and no descriptive message.
com.jcraft.jsch.SftpException: 4:
at com....
- 19
1
vote
1
answer
131
views
How to upload blob image to mysql database and display it as an object url?
Using Node Js Multer I am uploading an image to the database as a blob. This happens from javascript ajax xmlhttp request to express js endpoint.
index.html uploading image request
input....
- 11
10
votes
5
answers
6k
views
tomcat multipart upload for many attachments (>10) not working after update to 9.0.106
Awe have upgraded our Tomcat version from 9.0.102 to 9.0.106. Since then, it is no longer possible to upload more than 10 files in a single POST request, which is from the client's side initiated by:
&...
- 516
0
votes
1
answer
66
views
My images won't load in the columns in admin panel
I'd like to display images in the columns (that are inserted through a drop-down) in the Admin panel. The image does load when inserted, but when I want it to display in the column, it won't load, ...
- 1
0
votes
1
answer
47
views
File to http upload file in apache camel
I want to get file from source directory and upload it to the API rest service with multipart by using http apache camel.
How can I do multipart file uploads using the Apache Camel HTTP component ?
...
- 1,724
0
votes
1
answer
74
views
Standard upload form on NodeJS has an empty file field
I want to upload a file to a NodeJS server. Following File uploading with Express 4.0: req.files undefined , I try this code in mre.js:
'use strict';
const path = require('path');
const express = ...
- 4,652
0
votes
1
answer
49
views
Why can't the same label be re-imported in Apache Doris?
Why can't you use the same label load data to Doris twice? Is there an expiration date about label?
I use a label to load data twice and my load job failed. I want to know why I can't use the same ...
- 78
2
votes
0
answers
106
views
Windows apache folder permission setting problem with $target_dir
I have a problem about upload file using PHP in my local Windows Apache server.
My configuration:
Windows 10
Wamp Server with:
PHP 8.0
Apache 2.4.54.2
The target upload file size:
9KB , which is ...
- 41
0
votes
1
answer
104
views
How to Monitor and Correlate File Upload/Download and Modification Events on macOS?
I want to know if there is any way to log events for every file upload, download, creation, modification (including create, edit, delete), and transfer/sharing on macOS — regardless of whether these ...
- 704
1
vote
0
answers
67
views
Malformed part header
I get this error:
Error: Malformed part header
when making multipart/form-data request in Node.js - no code files visible in the error.
I'm encountering a "Malformed part header" error ...
- 11
-2
votes
1
answer
141
views
Bootstrap 5.3.5 Hide input[type='file'] with a button
I try to follow https://getbootstrap.com/docs/5.3/forms/input-group/#custom-file-input to hide the input[type='file'] with a button but it doesn't work.
<div class="input-group mb-3">
...
- 4,280