fix Preconditions in guava #477

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	name: SonarCloud
	on:
	push:
	pull_request:
	branches: [dev]
	paths-ignore:
	- 'docs/**'
	- '*/.md'
	- 'seatunnel-ui/**'
	jobs:
	build:
	runs-on: ubuntu-latest
	timeout-minutes: 120
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: true
	- name: Set up JDK 11
	uses: actions/setup-java@v2
	with:
	java-version: 11
	distribution: 'adopt'
	- name: Run SonarCloud Analysis
	run: bash ./tools/sonarcheck/check.sh
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	SONAR_TOKEN: ${{ secrets.SONARCLOUD_TOKEN }}

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