java打包无效的发行版：xx，临时修复当前窗口指定 JDK21

手揽回忆怎么睡2026-05-09 12:14

bash 复制代码

(base) PS E:\My_Dream_2026_4_7\Flower_AI> mvn -version
Apache Maven 3.9.11 (3e54c93a704957b63ee3494413a2b544fd3d825b)
Maven home: D:\apache-maven-3.9.11-bin\apache-maven-3.9.11
Java version: 18.0.2.1, vendor: Oracle Corporation, runtime: C:\JDK\jdk-18.0.2.1
Default locale: zh_CN, platform encoding: UTF-8
OS name: "windows 11", version: "10.0", arch: "amd64", family: "windows"
(base) PS E:\My_Dream_2026_4_7\Flower_AI> echo $env:JAVA_HOME
C:\JDK\jdk-18.0.2.1
(base) PS E:\My_Dream_2026_4_7\Flower_AI> $env:JAVA_HOME="C:\JDK\jdk-21"               
(base) PS E:\My_Dream_2026_4_7\Flower_AI> $env:Path="$env:JAVA_HOME\bin;$env:Path"
(base) PS E:\My_Dream_2026_4_7\Flower_AI> java -version
java version "21.0.7" 2025-04-15 LTS
Java(TM) SE Runtime Environment (build 21.0.7+8-LTS-245)
Java HotSpot(TM) 64-Bit Server VM (build 21.0.7+8-LTS-245, mixed mode, sharing)
(base) PS E:\My_Dream_2026_4_7\Flower_AI> mvn -version
Apache Maven 3.9.11 (3e54c93a704957b63ee3494413a2b544fd3d825b)
Maven home: D:\apache-maven-3.9.11-bin\apache-maven-3.9.11
Java version: 21.0.7, vendor: Oracle Corporation, runtime: C:\JDK\jdk-21
Default locale: zh_CN, platform encoding: UTF-8
OS name: "windows 11", version: "10.0", arch: "amd64", family: "windows"

当前 PowerShell 执行：

bash 复制代码

java -version
mvn -version
echo $env:JAVA_HOME

执行：

bash 复制代码

$env:JAVA_HOME="C:\JDK\jdk-21"
$env:Path="$env:JAVA_HOME\bin;$env:Path"

java -version
mvn -version