Ensure the common thread pool has at least 2 threads. (#1641) #1664

	# This workflow will build a Java project with Gradle
	# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle

	name: Java CI with Gradle

	on:
	push:
	branches: [ master, chunky-2.4.x ]
	pull_request:
	branches: [ master, chunky-2.4.x ]

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up JDK 1.8
	uses: actions/setup-java@v1
	with:
	java-version: 1.8
	java-package: jdk+fx
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Build with Gradle
	run: ./gradlew build
	- name: Build release jar
	env:
	PR_NUMBER: ${{ github.event.pull_request.number }}
	run: \|
	case "${GITHUB_EVENT_NAME}" in
	"pull_request")
	./gradlew -PnewVersion=2.4.3-PR.${PR_NUMBER}.$(git rev-parse --short HEAD)
	;;
	"push")
	./gradlew -PnewVersion=2.4.3-SNAPSHOT.$(git rev-parse --short HEAD)
	;;
	*)
	./gradlew -PnewVersion=2.4.3-DEV.$(git rev-parse --short HEAD)
	;;
	esac
	- name: Upload build
	uses: actions/[email protected]
	with:
	name: Chunky Core
	path: build/chunky-core-*.jar

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