question: How can I convert mysql errors to HandlerError ?

[antonio-hickey]

Hey all, sorry in advance for putting a question in issues, but I'm having trouble converting error's from mysql crate to HandlerError was wondering if anyone could assist.

The mysql crate docs has this:

let pool = Pool::new(url)?;

I tried this with no luck:

let pool = Pool::new(url).map_err(|e| HandlerError::from(format!("{:?}", e).as_str()))?;

Any help is appreciated thanks!

[calavera]

You can return in your function anything that implements fmt::Display + fmt::Debug. HandlerError doesn't exist anymore in the stable version of the runtime. If you're using an old version of the runtime, I'd recommend you to update to the latest stable version.

[antonio-hickey]

Yup this helped a lot, not sure why I didn't think to check version 🤦‍♂️ was on version 0.1, so upgraded to 0.7

[calavera]

I have not had time to update the article that you probably followed, sorry 😭

[antonio-hickey]

This was the article if it helps, https://aws.amazon.com/blogs/opensource/rust-runtime-for-aws-lambda/

[calavera]

yup, you're not the only one following those instructions, sorry about that.

[DontBreakAlex]

Can you elaborate on this answer ? My function returns this:

#[derive(Error, Debug)]
pub enum GenApiKeyError {
	#[error("Could not find CSRF token in login page")]
	CsrfError,
	#[error("Login failed")]
	LoginError,
	#[error("Request failed: {0}")]
	RequestError(#[from] reqwest::Error),
	#[error("Failed to parse body: {0}")]
	ParseError(#[from] Utf8Error),
	#[error("Failed get config: {0}")]
	ConfigError(#[from] envconfig::Error),
}

thiserror implements Display, but I still get {"type":"https://httpstatuses.com/500","status":500,"title":"Internal Server Error","detail":"failed to serialize lambda-url event"}