yarn报错 : Could not create the Java Virtual Machine.

yarn使用时候报错信息:

Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

1. 检测yarn版本 yarn version (成功)

D:\me\angular\ng-app>yarn version
Hadoop 2.8.3
Subversion https://git-wip-us.apache.org/repos/asf/hadoop.git -r b3fe56402d908019d99af1f1f4fc65cb1d1436a2
Compiled by jdu on 2017-12-05T03:43Z
Compiled with protoc 2.5.0
From source with checksum 9ff4856d824e983fa510d3f843e3f19d
This command was run using /D:/dev/hadoop-2.8.3/share/hadoop/common/hadoop-common-2.8.3.jar

2. 检测yarn版本 yarn --version  (报错)

C:\Users\92809>yarn --version
Unrecognized option: --version
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.


3. 安装依赖包 (报错)

D:\me\angular\ng-app>yarn install
错误: 找不到或无法加载主类 install


4. 最后没办法重新下载windows安装包( 点击下载windows版本呢yarn安装包 )

   安装 -> 测试 -> 报错 -> 检测原因 -> 没有配置环境变量 -> 继续报错,检测原因 -> java安装环境中有默认的yarn -> 环境变量配置在它前面

5. 测试 (成功)

C:\Users\92809>yarn --version
1.10.1

6. 连接淘宝镜像

(1)查看原本的registry

   D:\me\angular\ng-app>yarn config get registry
   https://registry.yarnpkg.com

(2)更新为淘宝镜像

  D:\me\angular\ng-app>yarn config set registry http://registry.npm.taobao.org/
  yarn config v1.10.1
  success Set "registry" to "http://registry.npm.taobao.org/".
  Done in 0.04s.


7. 重新安装依赖包 (成功)

D:\me\angular\ng-app>yarn install
yarn install v1.10.1
info No lockfile found.
[1/4] Resolving packages...
⠠ brace-expansion@^1.1.7

8. 大功告成,搞了一天多,终于解决了,给自己鼓个掌 ~~

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转载自blog.csdn.net/WU5229485/article/details/82992627