java - 如何在 Windows 中安装 Maven？

Question

你好，我只是下载 maven 二进制文件，在设置所有环境变量后，我正在运行 mvn -version cmd 并得到这个异常。

Exception in thread "main" java.lang.IllegalAccessError: tried to access field org.codehaus.plexus.util.Os.OS_NAME from class org.apache.maven.cli.CLIReportingUtils at org.apache.maven.cli.CLIReportingUtils.showVersion(CLIReportingUtils.java:71) at org.apache.maven.cli.MavenCli.cli(MavenCli.java:423) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:277) at org.apache.maven.cli.MavenCli.main(MavenCli.java:199) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)

Answer 1

1. 下载 Maven at here .

2. 解压，例如:C:\tools\

3. 按Windows+R，输入systempropertiesadvanced，按Enter

   <

4. 设置环境:MAVEN_HOME = C:\tools

添加到PATH环境变量:;%MAVEN_HOME%\bin

1. 全部关闭

2. 调用cmd，运行命令:

   mvn -v