Error message when yarn is used:
Error: Could not create the Java Virtual Machine. Error: A fatal exception has occurred. Program will exit.
1. Check the yarn version (successful)
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. Check the yarn version
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. Install dependency package (error reporting)
D:\me\angular\ng-app>yarn install Error: cannot find or load main class install
4. Finally, there is no way to download the windows installation package again Click to download the windows version of yarn installation package )
Install - > test - > error reporting - > detection reason - > no environment variable configured - > continue to report error, detection reason - > there is a default yarn in Java installation environment - > environment variable is configured in front of it
5. Test (successful)
C:\Users\92809>yarn --version 1.10.1
6. Connect Taobao image
(1) check the original registry
D:\me\angular\ng-app>yarn config get registry https://registry.yarnpkg.com
(2) update to Taobao image
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. Reinstall dependency package (successful)
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. After more than a day's work, we finally solved the problem and gave ourselves a hand~~