Claude Code
deployment
Gradle Build Cache Causes Stale Artifacts
Gradle build cache contains stale artifacts from previous builds. Changes to source files aren't reflected in the compiled output, causing deploying of old code. Incremental builds work correctly, but CI/CD pipeline with partial cache hits behaves unexpectedly.
This is particularly problematic when generated code or resource files are cached but source changed.
Error Messages You Might See
BUILD FAILED: Resource not found (cached incorrectly)
ClassNotFoundException: previously compiled class not found
Stale artifact deployed (code changed but not rebuilt)
Common Causes
- Build cache not invalidated when dependency versions change
- Task outputs cached incorrectly without accounting for input file changes
- Resource files or generated code cached with wrong invalidation rules
- Gradle daemon holding stale classpath in memory
- CI/CD pipeline using shared cache across builds with different configurations
How to Fix It
Disable cache for CI/CD: ./gradlew clean build --no-build-cache. Or invalidate selectively: ./gradlew cleanBuild. Add @CacheableTask annotations carefully with correct inputs/outputs. Kill Gradle daemon: ./gradlew --stop. In CI, prefer clean builds over cached builds for reliability.
Real developers can help you.
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Hey I'm Sage! Im a Boston area software engineer who grew up in South Florida. Ive worked at a ton of cool places like a telehealth kidney care startup that took part in a billion dollar merger (Cricket health/Interwell health), a boutique design agency where I got to work on a ton of exciting startups including a photography education app, a collegiate Esports league and more (Philosophie), a data analytics as a service startup in Cambridge (MA) as well as at Phillips and MIT Lincoln Lab where I designed and developed novel network security visualizations and analytics. I've been writing code and furiously devoted to using computers to make people’s lives easier for about 17 years. My degree is in making computers make pretty lights and sounds. Outside of work I love hip hop, the Celtics, professional wrestling, magic the gathering, photography, drumming, and guitars (both making and playing them)
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Expertise:
💡 Developing cross-platform apps using Flutter, Dart, and Jetpack Compose for Android, iOS, and Web.
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Get HelpFrequently Asked Questions
Should build cache be used in CI?
Use with caution. For reliability, prefer: ./gradlew clean build in CI. Cache is useful locally for fast iteration.
How to completely clear the build cache?
Run: ./gradlew clean && rm -rf .gradle/build-cache/. Then rebuild: ./gradlew build
Why does CI cache behave differently than local?
Local cache persists across builds and daemon is reused. CI typically starts fresh. Use --no-build-cache in CI if experiencing issues.