build.yml

name: Build

on:
  push:
    branches:
      - 'main'
      - 'release/**'
  pull_request:

env:
  # Without "-Dhttp.keepAlive=false -Dmaven.wagon.http.pool=false" maven tend to fail due to the following error:
  #     Failed to read artifact descriptor for <some artifact>:
  #     Could not transfer artifact <some artifact> from/to central (https://repo.maven.apache.org/maven2):
  #     transfer failed for https://repo.maven.apache.org/maven2/<some artifact>: Connection timed out (Read failed)
  # More precisely, mvn fails to fetch the first dependency from a maven repo after a longer pause between two
  # consecutive fetches (e.g. when there were tests running for at last several minutes).
  # See: https://stackoverflow.com/a/58769870
  MAVEN_CLI_OPTS: "-Dhttp.keepAlive=false -Dmaven.wagon.http.pool=false"
  JAVA_ADDITIONAL_OPTS: ""

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        flink: [ "1.17.1" ]
    steps:
      - uses: actions/checkout@v3

      - name: Set up JDK 11
        uses: actions/setup-java@v3
        with:
          java-version: '11'
          distribution: 'adopt'
          cache: maven

      - name: Build for Flink ${{ matrix.flink }}
        run: mvn $MAVEN_CLI_OPTS $JAVA_ADDITIONAL_OPTS -Dflink.version=${{ matrix.flink }} install -DskipTests

      - name: Tests for Flink ${{ matrix.flink }}
        run: mvn $MAVEN_CLI_OPTS $JAVA_ADDITIONAL_OPTS -Dflink.version=${{ matrix.flink }} verify