Anthony Stirling 28480d137a Cache Gradle dependencies in the live E2E workflow (#7234)
# Description of Changes

Fixes the `playwright-e2e-live` failure seen on [run
30694073128](https://github.com/Stirling-Tools/Stirling-PDF/actions/runs/30694073128).
The backend never started:

```
> Could not resolve org.springframework.boot:spring-boot-buildpack-platform:4.0.6.
   > Could not GET 'https://repo.maven.apache.org/maven2/.../spring-boot-buildpack-platform-4.0.6.pom'.
     Received status code 429 from server: Too Many Requests
> There are 14 more failures with identical causes.
BUILD FAILED in 21s
```

Gradle was throttled by Maven Central while resolving the buildscript
classpath, `:stirling-pdf:bootRun` died, and the runner's "backend
exited before becoming ready" guard aborted the suite before a single
test ran.

`e2e-live.yml` was the only Java-running workflow with no Gradle
dependency cache, no `setup-gradle`, and no Maven mirror env - every
sibling (`backend-build.yml`, `db-migration-test.yml`,
`coverage-aggregate.yml`) has all three. So it downloaded the Gradle
distribution and resolved the entire classpath cold from Maven Central
on every single run, and eventually got throttled.

Added:

- the same `Cache Gradle dependency artifacts` + `Setup Gradle` pair
used by `backend-build.yml`
- `MAVEN_USER` / `MAVEN_PASSWORD` / `MAVEN_PUBLIC_URL` on the two
Gradle-invoking steps, so runs that have the secrets use the internal
mirror instead of hitting Central
- a `Prime Gradle dependencies` step that retries 3x with backoff.
Gradle does not retry 429s, and doing the cold resolve up front means a
rate-limit failure retries cheaply instead of killing a backgrounded
`bootRun` twenty minutes in

Side benefit: the job gets faster once the cache is warm.

## Notes for reviewers

- The 429 itself is transient infrastructure behaviour - a re-run would
likely have gone green. The defect being fixed is that this job had no
cache to fall back on, so it was exposed to it on every run.
- `:stirling-pdf:classes` does not trigger a frontend build
(`buildWithFrontend` defaults off, `app/core/build.gradle:147`), so
priming before the Vite build step is safe. It is not wasted work either
- `bootRun` compiles the same classes.
- This PR originally also carried a fix for the `tauri-build`
updater-key failure on that same run. #7181 fixes that more simply and
has been merged, so that half has been dropped here.
- Workflow changes cannot be fully verified locally; a CI run on this
branch is the real check.

---

## Checklist

### General

- [x] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [x] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [x] I have performed a self-review of my own code
- [x] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [x] I have run `task check` to verify linters, typechecks, and tests
pass
- [x] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#7-testing)
for more details.
2026-08-03 14:58:14 +00:00
2026-07-24 09:37:10 +00:00
2026-07-11 12:48:53 +01:00
2026-03-25 11:00:40 +00:00
2026-07-17 10:16:06 +00:00
2026-03-25 11:00:40 +00:00

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