Gradle caches dependencies to save time. If a download was interrupted, the cache might be "poisoned" with a partial file. Use the Command Line
Modern repositories (like Maven Central) reject non-HTTPS connections. Ensure your custom URLs use https:// . Force a Dependency Refresh gradle does not download dependencies
Ensure you can ping maven.org or google.com . Gradle caches dependencies to save time
repositories { mavenCentral() google() maven { url "https://gradle.org" } } Use code with caution. gradle does not download dependencies
Corporate VPNs often block specific artifact repositories.