31,116 questions
0
votes
0
answers
16
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
2
votes
2
answers
97
views
Laravel images not showing on Hostinger, returning 404 after upload
I have a Laravel project deployed on Hostinger shared hosting. In local development, images upload and display correctly using Storage::disk('public').
Here is my upload method in a trait:
public ...
0
votes
0
answers
37
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 ...
2
votes
1
answer
155
views
Angular Php File Upload Issue
This is the basic file upload I am trying using angular and php.
When I choose the file in UI, I can see the file details.
But, when I execute it I am getting empty array as response in network tab.
...
- 423
Best practices
0
votes
0
replies
47
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
0
answers
27
views
Is it possible to do offline upload using GCS Bucket Presigned URL resumable vs write
I have a Frontend Client which lets users uploads any number of files of any size (think up to 100 GB File).
Currently I am using GCS buckets presigned URL to upload the file. My current ...
- 53
1
vote
1
answer
57
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
0
votes
0
answers
30
views
AppSheet Image column: Suggested values hide upload button
I’m using AppSheet and I found a problem with Image-type columns when using Suggested values.
My goal is to show suggested images (previously uploaded for the same product), but also allow the user to ...
- 109
1
vote
2
answers
121
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
0
answers
61
views
Multer returns req.file undefined when uploading image with Hoppscotch in Express
I'm building a Node.js + Express backend where users can upload profile pictures using Multer. When I send a POST request from Hoppscotch to /update_profile_picture, I get this error:
Cannot read ...
2
votes
1
answer
120
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
72
views
Symfony UX LiveComponent file upload works only on first request
I’m having trouble with file uploads in Symfony UX LiveComponent.
I’m using Symfony 7.2, Symfony UX 2.x, and PHP 8.2.
The problem
I have a LiveComponent form that includes a file upload field.
On the ...
- 1
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
1
answer
63
views
How to Fix swagger_dart_code_generator Generating List<int> Instead of MultipartFile for File Uploads in Flutter
What are the details of your problem?
In my Flutter project, I'm using swagger_dart_code_generator to generate Chopper-based API client code from a Swagger 2.0 JSON file for a multipart/form-data file ...
0
votes
0
answers
67
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 ...
1
vote
1
answer
110
views
GnuTLS error -110 and 425 error when connecting with FtpWebRequest to FileZilla server
I'm a student learning about VB Net and I got a task to create a program in VB that allows me to upload files using FTP. But I always get this error despite the file being successfully transferred to ...
- 11
0
votes
1
answer
42
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
71
views
Laravel form submission not saving to database and file uploads not working
I am working on a scholarship management system using Laravel 12, Laravel Breeze, Blade, Tailwind, and MySQL. I created a multi-step applicant form with text fields and file uploads (passport photo, ...
- 19
0
votes
0
answers
88
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' ...
- 1,491
0
votes
1
answer
222
views
File Upload via Livewire Returns 401 Unauthorized in Laravel (Nginx, Cloudflare)
I ran into an issue when trying to upload files using Livewire on my production server. The server responded with 401 Unauthorized.
My setup includes:
Cloudflare with Flexible SSL (Browser → ...
-1
votes
1
answer
249
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
2
votes
0
answers
97
views
ASP.NET Core Web API ApiController request is null for POST but files parameter is available
In the code shown here, the PostFormData method receives the files parameter as it should but the Request object is null and I don't know why.
public class UploadController : ApiController
{
...
- 1,491
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
-1
votes
1
answer
77
views
Mule4 Upload multi-part file
I am trying to upload a file to a remote API that is expecting the file to have a key of "file", this is my Transform which is right before a HTTP Requestor
<ee:transform doc:name="...
- 23
2
votes
1
answer
74
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
0
answers
100
views
How to purge attached ActiveStorage files when updating a record in Rails 7?
I'm using Rails 7 with ActiveStorage to handle file uploads on a Post model. Everything works fine for attaching files, but I'm struggling with removing/deleting an attachment when the record is ...
- 57
0
votes
1
answer
65
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
46
views
How to handle error reporting and validation of uploaded files using django-formset?
Short version
I'm using django-formset to create a contact form that includes a file upload field. When an incorrect file is selected, no error message is shown. When uploading the form with an ...
- 2,169
0
votes
0
answers
86
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
0
votes
1
answer
68
views
How to upload multiple images to S3 using presigned URLs and bind them to specific sections in a live preview [closed]
I'm building a product creation/editing app using Angular (frontend) and .NET Core Web API (backend). Each product has a dynamic form and a live preview beside it.
Every product can have multiple ...
- 81
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
0
votes
1
answer
51
views
my upload result returns null, and the image is not saved in my S3 bucket
I'm working on a Flutter app where I capture an image using the face_camera package and then try to upload it to AWS S3 using the aws_s3_upload_lite package.
However, my upload result returns null, ...
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
-1
votes
1
answer
63
views
User input to upload files to Google Drive via Google Colab Notebook
I'm designing a tool that is going to be used by lots of non-coders, and the easiest way to have it accessible to everyone is through a notebook on Google Colab. Within the notebook, I'd like to be ...
- 11
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
1
vote
1
answer
100
views
File input click not opening dialog in Microsoft Edge despite successful API calls
Problem Summary
File input <input type="file"> click events are not opening the file selection dialog in Microsoft Edge, despite the same code working perfectly in Safari and other ...
- 80
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
70
views
Problem with <input type=file> on mac in telegarm web app
I have problem in telegram web app on macOS (Vue js). If i use input with type file, then click and choose nothing - input don't work again.
<template>
<div>
<button @click="...
- 1
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
0
answers
31
views
Error: Only plain objects, and a few built-ins, can be passed to Server Actions. Classes or null prototypes are not supported
import { z } from "zod";
/* --- helpers ------------------------------------------------------------ */
const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
const intlPhoneRegex = /^\+?\d{10,15}...
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
0
votes
1
answer
99
views
Rocket.Chat Docker Setup – File upload fails for images with “A boolean was expected [ufs: cannot upload file] [upload-failed]
I'm running a Rocket.Chat 7.5.0 instance using Docker and Docker Compose. The app is built from a Meteor bundle and uses a custom Dockerfile. Everything starts up correctly, and I'm able to use the ...
- 2,725
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
-2
votes
1
answer
77
views
pug template how to use a label of a hidden file input to upload file?
I use pug template with Node.JS. How can I use a label to hide file input control and use the label click to upload file? I have done the same thing using bootstrap but not sure about about to ...
- 4,280
0
votes
1
answer
102
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
0
votes
1
answer
197
views
Next.js 15.3.2 + uploadthing: Uploaded Status but giving me an error [closed]
iam following Code with Antonio LMS course which is uploaded 2 years back, now when iam trying to approach with dealing with Uploadthing, iam getting error as follows when i tried to upload image ...
- 17
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
0
votes
0
answers
87
views
File size increases by 40% during multipart upload in Quarkus (images/XLSX only)
When uploading .xlsx files via multipart form in Quarkus 3.10.2 (Java 17), the saved files becomes corrupted. Excel shows "We found a problem with some content" error when opening them. The ...
-2
votes
1
answer
139
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
1
vote
1
answer
124
views
Use hash of content of uploaded file as filename with Node.js and multer
I use multer to upload files to a NestJS backend.
The important part of my multer config is:
{
// multer options: https://github.com/expressjs/multer#multeropts
storage: multer....
- 6,048