playframework / playframework/play-json

Upgrade to Jackson 3

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#1,258 7 comments 0 reactions 0 assignees View on GitHub

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Dominant language
Scala
Stars
375
Forks
140
Avg merge
1d 5h
Merged PRs (30d)
28

Description

As per the title.

There's definitely no urgency in doing it but it'll be good to help the ecosystem move forward.

Jackson 2.x and 3.x can co-exist, so I don't think there's a reason for play-json to wait. Users will still be able to use other libraries relying on Jackson 2.x.

Maybe this is something we can include in the next minor release?

Migration notes

I'll be happy to work on a PR for this.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the linked Jackson 3 migration notes and then inspect play-json's dependency declarations and compatibility coverage. Done means Jackson 3 is supported without preventing coexistence with Jackson 2.x, with the project's existing checks passing.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, scala
Domain
backend
Issue type
Refactor
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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