String recursion error after upgrading from 0.26.0 to 0.27.1 #540
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JenChampagne
changed the title
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This is something about serializer. Serializer was rewritten in 0.27.0 and now writes to |
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Met similar problem in both 0.27.0 & 0.27.1. Build log with
There is no |
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Could you provide the minimal reproducible example of this? What version of |
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I shortened the example to: use serde::Serialize;
#[derive(Serialize)]
pub enum Enum {
Variant {},
}
#[derive(Serialize)]
pub struct Struct {
#[serde(flatten)]
flatten: Enum,
}
pub fn to_xml(data: &Struct) -> Result<String, quick_xml::DeError> {
quick_xml::se::to_string(&data)
}Interesting, that removing |
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I guess |
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Update: This panics for fn main() {
use serde::ser::Serializer;
quick_xml::se::Serializer::new(String::new())
.serialize_map(None).unwrap();
}However the derived |
No, it is because it was created with |
Mingun
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crapStone
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This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [quick-xml](https://github.com/tafia/quick-xml) | dependencies | minor | `0.27.1` -> `0.28.0` | --- ### Release Notes <details> <summary>tafia/quick-xml</summary> ### [`v0.28.0`](https://github.com/tafia/quick-xml/blob/HEAD/Changelog.md#​0280----2023-03-13) [Compare Source](tafia/quick-xml@v0.27.1...v0.28.0) ##### New Features - [#​541]: (De)serialize specially named `$text` enum variant in [externally tagged] enums to / from textual content - [#​556]: `to_writer` and `to_string` now accept `?Sized` types - [#​556]: Add new `to_writer_with_root` and `to_string_with_root` helper functions - [#​520]: Add methods `BytesText::inplace_trim_start` and `BytesText::inplace_trim_end` to trim leading and trailing spaces from text events - [#​565]: Allow deserialize special field names `$value` and `$text` into borrowed fields when use serde deserializer - [#​568]: Rename `Writter::inner` into `Writter::get_mut` - [#​568]: Add method `Writter::get_ref` - [#​569]: Rewrite the `Reader::read_event_into_async` as an async fn, making the future `Send` if possible. - [#​571]: Borrow element names (`<element>`) when deserialize with serde. This change allow to deserialize into `HashMap<&str, T>`, for example - [#​573]: Add basic support for async byte writers via tokio's `AsyncWrite`. ##### Bug Fixes - [#​537]: Restore ability to deserialize attributes that represents XML namespace mappings (`xmlns:xxx`) that was broken since [#​490] - [#​510]: Fix an error of deserialization of `Option<T>` fields where `T` is some sequence type (for example, `Vec` or tuple) - [#​540]: Fix a compilation error (probably a rustc bug) in some circumstances. `Serializer::new` and `Serializer::with_root` now accepts only references to `Write`r. - [#​520]: Merge consequent (delimited only by comments and processing instructions) texts and CDATA when deserialize using serde deserializer. `DeEvent::Text` and `DeEvent::CData` events was replaced by `DeEvent::Text` with merged content. The same behavior for the `Reader` does not implemented (yet?) and should be implemented manually - [#​562]: Correctly set minimum required version of memchr dependency to 2.1 - [#​565]: Correctly set minimum required version of tokio dependency to 1.10 - [#​565]: Fix compilation error when build with serde <1.0.139 [externally tagged]: https://serde.rs/enum-representations.html#externally-tagged [#​490]: tafia/quick-xml#490 [#​510]: tafia/quick-xml#510 [#​520]: tafia/quick-xml#520 [#​537]: tafia/quick-xml#537 [#​540]: tafia/quick-xml#540 [#​541]: tafia/quick-xml#541 [#​556]: tafia/quick-xml#556 [#​562]: tafia/quick-xml#562 [#​565]: tafia/quick-xml#565 [#​568]: tafia/quick-xml#568 [#​569]: tafia/quick-xml#569 [#​571]: tafia/quick-xml#571 [#​573]: tafia/quick-xml#573 </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNS42LjAiLCJ1cGRhdGVkSW5WZXIiOiIzNS42LjAifQ==--> Co-authored-by: cabr2-bot <[email protected]> Co-authored-by: crapStone <[email protected]> Reviewed-on: https://codeberg.org/Calciumdibromid/CaBr2/pulls/1818 Reviewed-by: crapStone <[email protected]> Co-authored-by: Calciumdibromid Bot <[email protected]> Co-committed-by: Calciumdibromid Bot <[email protected]>
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I'm getting a really weird error after upgrading from 0.26.0 to 0.27.1. I've tried to put together a reproduce case, but I'm having difficulty doing so, but I'll give as many details as I can.
The error I get is as follows:
I make use of
AsRef<T>andCow<'_, str>in several cases, but I'm not sure that it is the core of the issue since I'm not able to make a reproduce case. I don't understand where the recursion of&mutis coming from. Nothing in my code is explicitly recursive as far as I am aware, andcargo expanddoes not highlight anything that stands out.Does the above provide any clues that might point me in the direction of where to look in my code? I will try to again to reproduce, but the repository having the issue is a private one.
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