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Use last header value for JetStream messages #1239

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Apr 9, 2024
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@Jarema Jarema commented Apr 2, 2024

As republish will append new headers, using first value could lead to misleading data when a message is republish from one stream to another.

This commit fixes it by always picking the last header value.

reference ADR issue: nats-io/nats-architecture-and-design#250

Signed-off-by: Tomasz Pietrek <[email protected]

@Jarema Jarema requested a review from piotrpio April 9, 2024 11:46
As republish will append new headers, using first value could lead to
misleading data when a message is republish from one stream to another.

This commit fixes it by always picking the last header value.

Signed-off-by: Tomasz Pietrek <[email protected]>
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LGTM

@Jarema Jarema merged commit f6a8fdd into main Apr 9, 2024
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@Jarema Jarema deleted the use-last-header-value branch April 9, 2024 12:59
Jarema added a commit that referenced this pull request May 6, 2024
# 0.35.0

## Overview

This release makes tls setup more flexible, leveraging rusls v0.23 and allowing to pick crypto backend:
* ring
* aws-lc-rs
* fips

Some other highlights:
* force reconnect via `force_reconnect` method
* explicit create/update consumer API

Thank you for all your contributions!

## Added
* Add `ToServerAddrs` impl for array/vector of strings by @mmalek in #1231
* Add public constructor for Acker by @AbstractiveNord in #1232
* Add force reconnect by @Jarema in #1240
* Add features check by @Jarema in #1247
* Add stream placement by @Jarema in #1250
* Add consumer action by @Jarema in #1254
* Add support for aws-lc-rs (rustls v0.23.0) by @paolobarbolini in #1222

## Fixed
* Use last header value for JetStream messages by @Jarema in #1239

## Changed
* Wrap inbox prefix in an `Arc` by @thomastaylor312 in #1236
* Document feature flags by @Jarema in #1246
* Don't force flush if write buffer isn't empty by @paolobarbolini in #1241

## New Contributors
* @mmalek made their first contribution in #1231

**Full Changelog**: async-nats/v0.34.0...async-nats/v0.35.0



Signed-off-by: Tomasz Pietrek <[email protected]>
Co-authored-by: Piotr Piotrowski <[email protected]>
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2 participants