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Questions tagged [rust-rocket]

A Rust web framework that uses unstable nightly features to provide a highly ergonomic and type-safe experience.

Rocket is a web framework for Rust that makes it simple to write fast web applications without sacrificing flexibility or type safety. All with minimal code.

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281 questions
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How can I make my Rocket app respond with an error when a request panics?

In my Rocket web application I have a service that reads data from a MySQL database. At some point a NULL value appeared in a VARCHAR field - something my code wasn't expecting and as a result the tx.query_map() method started panicing. I don't like…
at54321
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Pass database reference through a FromRequest

I'm using the Rocket web framework in Rust and I have a database pool (DbConn). #[database("redirect-api")] pub struct DbConn(diesel::PgConnection); I have been able to pass DbConn to each route but I am having trouble when trying to pass it to a…
Dzjek R
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Compiler features conflicting while importing macros

I'm trying to use some of the macros from the diesel crate but they say they have not been imported, even when explicitly imported. I Think the problem is coming from the use the feature decl_macro. This feature is required by rocket in order to use…
Dzjek R
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Cannot handle a HTTP URL as a query parameter in Rocket

I am using Rocket to create a basic web api to practice and improve my Rust programming skills. Here I got stuck. #[post("/make/")] fn shorten_link(link: String) -> String { // Some other code } The problem is when I post to let's say…
michaelgrigoryan25
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Serving static files with multiple segments

I'm using Rocket multiple segments to serve static files, by this code: #![feature(proc_macro_hygiene, decl_macro)] #[macro_use] extern crate rocket; use std::path::PathBuf; use rocket::response::NamedFile; use…
Megidd
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Rocket testing multipart/data-form fails with 422 (Unprocessable Entity)

I want to test my upload route here. I have one tests that calls this route via the rocket test client but I always get Status { code: 422, reason: "Unprocessable Entity" } as response. However, I cannot figure out what is wrong with my request…
Greeneco
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How do I use rocket_contrib::Uuid in a form?

I am using the 0.5.0-dev version of rocket and rocket_contrib. I want to use a Uuid in my form, but I get the following compilation error: the trait `FromFormField<'_>` is not implemented for `rocket_contrib::uuid::Uuid` I do not understand this…
Greeneco
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Why is "no crate_relative in serve" when rust rocket_contrib?

I'm trying to learn some rust by my usual method of flailing around and running examples. This page on the rust_contrib api docs makes me think I can serve static files https://api.rocket.rs/master/rocket_contrib/serve/struct.StaticFiles.html like…
BenMaGoo
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impl AsyncRead for tonic::Streaming

I am trying to take the tonic routeguide tutorial, and turn the client into a rocket server. I am just taking the response and converting from the gRPC to a string. service RouteGuide { rpc GetFeature(Point) returns (Feature) {} rpc…
matanmarkind
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How to use rocket::response::Flash in a tera template

I am currently re-writing a web application built in python/flask that uses flashes as so: {% with flashes = get_flashed_messages() %} {% if flashes %}
    {% for message in flashes %}
  • {{ message }} …
banksdev
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How do I return a status code other than 500 when an error occurs in Rocket?

I'm trying to make my Rocket backend return HTTP 400 when the user enters a password that is too short. When I try to send a request with a password that is too short, the request panics and returns 500 since I'm using the Err() function, which…
UnicornsOnLSD
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diesel.rs and rocket.rs: don't understand why it wants a databases table

I'm new to Rust, and I'm having an issue I can't wrap my head around. My Cargo.toml looks like this: [dependencies] rocket = "0.4.6" rocket_codegen = "0.4.6" serde = "1.0" serde_derive = "1.0" serde_json = "1.0" [dependencies.diesel] version =…
caarlos0
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Trying to implement rocket_cors CorsOptions on a rust api

I'm new to rust and I'm using rocket to create a simple CRUD API that I later would like to put on an AWS EC2 bucket. I've got one or two basic routes and I wanted to start to implement CORS so a react app can call my API. I've tried multiple…
Josh Thomas
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How do I pass a database connection to Rocket endpoints and functions?

My web application has a REST API via Rocket, connects to a MySQL database, and there's a single endpoint. I cannot figure out how to access the database connection inside the controller: #![feature(decl_macro)] #[macro_use] extern crate…
cbll
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React app with Rocket backend giving ECONNREFUSED when using proxy

I'm trying to make a web app using rocket for the backend and react for the frontend. However, when I try to make a proxy I keep getting rayk@pop-os:~/repos/homrs/frontend$ curl http://localhost:3000/api Proxy error: Could not proxy request /api…
Ray Kochenderfer
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