我想在我的Windows 10（x64）上安装grails。我的grails版本是3.3.4，groovy版本2.4.14，JVM版本1.8.0_141。我可以创建一个应用程序但是当我运行它时会出现错误：
FAILURE: Build failed with an exception.
What went wrong:
A problem occurred configuring root project 'hello'.
Could not resolve all dependencies for configuration ':classpath'.
Could not resolve org.grails:grails-gradle-plugin:3.3.4.
Required :
project :
Could not resolve org.grails:grails-gradle-plugin:3.3.4.
Could not get resource 'https://repo.grails.org/grails/core/org/grails/grails-gradle-plugin/3.3.4/grails-gradle-plugin-3.3.4.pom'.
Could not GET 'https://repo.grails.org/grails/core/org/grails/grails-gradle-plugin/3.3.4/grails-gradle-plugin-3.3.4.pom'.
Connect to repo.grails.org:443 [repo.grails.org/198.18.1.217] failed: Connection timed out: connect
Could not resolve org.grails.plugins:hibernate5:6.1.9.
Required by:
project :
Could not resolve org.grails.plugins:hibernate5:6.1.9.
Could not get resource
'https://repo.grails.org/grails/core/org/grails/plugins/hibernate5/6.1.9/hibernate5-6.1.9.pom'.
Could not GET 'https://repo.grails.org/grails/core/org/grails/plugins/hibernate5/6.1.9/hibernate5-6.1.9.pom'.
Connect to repo.grails.org:443 [repo.grails.org/198.18.1.217] failed: Connection timed out: connect
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
CONFIGURE FAILED
Total time: 1 mins 4.547 secs
Error Error initializing classpath: Connection timed out: connect (Use --stacktrace to see the full trace)
我到处搜索但没有找到解决方案。请帮我解决这个问题。
PS：每当我尝试运行应用程序时，奇怪的是网络变得难以置信地慢了。