使用GitHub Actions构建JavaFX Maven项目遇JDK17编译错误求助

我尝试用Maven创建简单JavaFX项目，通过GitHub Actions构建Linux包，使用的Workflow文件如下：

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

name: Linux Client

on:
  workflow_dispatch:
  push:
    branches: [ master ]

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - name: Set up JDK 17
        uses: actions/setup-java@v2
        with:
          java-version: '17'
          distribution: 'temurin'
      - name: Debug
        run: mvn -version
      - name: Build with Maven
        run: sudo mvn -e -B install --file pom.xml
      - name: Upload DEB package
        uses: actions/upload-artifact@v2
        with:
          name: Installer files
          path: target/installer/*

该Workflow已配置JDK17，mvn -version输出显示版本正确：

Run mvn -version
Apache Maven 3.8.6 (84538c9988a25aec085021c365c560670ad80f63)
Maven home: /usr/share/apache-maven-3.8.6
Java version: 17.0.4.1, vendor: Eclipse Adoptium, runtime: /usr/lib/jvm/temurin-17-jdk-amd64
Default locale: en, platform encoding: UTF-8
OS name: "linux", version: "5.15.0-1017-azure", arch: "amd64", family: "unix"

但构建失败，报错信息为：
Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.10.1:compile (default-compile) on project TestMaven: Fatal error compiling: error: release version 17 not supported -> [Help 1]

问题原因与解决办法 #

原因 #

执行Maven命令时添加的sudo会切换到root用户环境，而root用户的环境变量（包括JAVA_HOME）并未指向你配置的JDK17，导致Maven实际使用了系统默认的低版本JDK，因此不支持编译release版本17。

解决办法 #

• 优先方案：去掉mvn命令前的sudo，直接执行：

  mvn -e -B install --file pom.xml
  

  GitHub Actions运行环境本身具备足够权限完成Maven构建，通常无需sudo。

• 若必须使用sudo：在sudo命令中添加-E参数，保留当前用户的环境变量（含JDK17配置）：

  sudo -E mvn -e -B install --file pom.xml
  

内容的提问来源于stack exchange，提问作者gdnmhr