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[ZEPPELIN-6501] Reference source-of-truth for toolchain versions in AGENTS.md #5284

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tbonelee merged 1 commit into from
Jul 8, 2026
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[ZEPPELIN-6501] Reference source-of-truth for toolchain versions in AGENTS.md #5284

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14 changes: 7 additions & 7 deletions AGENTS.md
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Expand Up @@ -24,10 +24,10 @@ limitations under the License.

Apache Zeppelin is a web-based notebook for interactive data analytics. It provides a unified interface to multiple data processing backends (Spark, Flink, Python, JDBC, etc.) through a pluggable interpreter architecture. Each interpreter runs in its own JVM process and communicates with the server via Apache Thrift RPC.

- **Language**: Java 11, Scala 2.12
- **Language**: Java, Scala — versions in root `pom.xml` (`java.version`, `scala.binary.version`)
- **Build**: Maven multi-module (wrapper: `./mvnw`)
- **Frontend**: Angular 13 (Node 18) in `zeppelin-web-angular/`
- **Version**: 0.13.0-SNAPSHOT
- **Frontend**: Angular + TypeScript in `zeppelin-web-angular/` — versions in its `package.json`
- **Version**: see `<version>` in root `pom.xml`

## Build & Test

Expand Down Expand Up @@ -191,7 +191,7 @@ Each interpreter is an independent Maven module inheriting from `zeppelin-interp

### Frontend

- `zeppelin-web-angular/` — Angular 13, Node 18 (active frontend)
- `zeppelin-web-angular/` — active frontend (Angular; versions in `package.json`, Node build pin in `pom.xml` `node.version`)
- `zeppelin-web/` — Legacy AngularJS (activated with `-Pweb-classic`)

### Configuration Files
Expand Down Expand Up @@ -441,9 +441,9 @@ REST API classes use `@Inject` to receive these singletons.

| Tool | Version | Notes |
|------|---------|-------|
| JDK | 11 | Required. Not 8, not 17 |
| Maven | 3.6.3+ | Use the wrapper `./mvnw` — no separate install needed |
| Node.js | 18.x | Only for frontend (`zeppelin-web-angular/`) |
| JDK | pinned in `pom.xml` (`java.version`) | Required — use exactly that major, not a newer/older JDK |
| Maven | provided by `./mvnw` (pinned in `.mvn/wrapper/maven-wrapper.properties`) | No separate install needed |
| Node.js | see `zeppelin-web-angular/package.json` (`engines.node`) | Only for frontend (`zeppelin-web-angular/`) |

### Initial Setup

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