Apache Groovy & Apache Grails — Hackathon at Community over Code Glasgow 2026

Apache Community over Code 2026 — Glasgow, UK, October 11–14

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Apache Groovy & Apache Grails — Hackathon

Groovy and Grails are running a joint hackathon session. The two communities overlap heavily, and quite a few of the interesting topics (application generation, CLI ergonomics, compiler and AST behaviour, documentation) sit right on the boundary between the projects — so we’re sharing a table and encouraging cross-pollination rather than splitting into two rooms. Come along if you’re interested in either project; you don’t need to have contributed before.

Coordinators

What We’re Working On

Grails — one application generator, one CLI

Our main goal is the Grails Forge / Grails Profiles intersection: combining them, deprecating one in favour of the other, or some mix of the two. Specifically, we’d like to come away with a plan (and as much code as we can manage) for a single Grails application generator instead of two, plus an agreed CLI command structure going forward.

Existing issues that cover part of this — the list isn’t exhaustive, and we expect to write more during the event:

Alongside that, there’s plenty of smaller, well-scoped work for anyone who’d rather start with something self-contained:

Groovy

We’ll be running a HackerGarten-style session in the spirit of the ones GR8Conf used to host, where the aim is to get people to their first merged contribution as much as it is to move big-ticket items along. Indicative areas:

Where the topic lists live

Rather than maintaining topic lists on this page, we’re keeping them in the projects’ own issue trackers so they stay current:

Suggestions for topics are very welcome on either dev@ list before the event — see below.

Resources

Groovy

Grails

Who’s Planning to Attend

Getting Started Before the Event

To make the most of the hackathon time, we recommend arriving with a working build — downloading dependencies over conference wifi is not the best use of the session:

  1. Clone and build whichever project interests you:
  2. Browse the issue links above and pick something that interests you — or come with a problem of your own
  3. Introduce yourself on the relevant dev@ list or chat channel so we know what to expect