Maven Connect Timeout from/to Central “https://repo.maven.apache.org/maven2” happen when you are in VPN and proxy network where your office firewall not allowing to download from outside network.
CoreException: Could not calculate build plan: Plugin org.apache.maven.plugins:maven-compiler-plugin:3.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-compiler-plugin:jar:3.1: ArtifactResolutionException: Could not transfer artifact org.apache.maven.plugins:maven-compiler-plugin:pom:3.1 from/to central (https://repo.maven.apache.org/maven2): connect timed out
- Try after exiting from VPN Network so that your office firewall not stop you to download dependencies.
- Update your firewall proxy settings in ./m2/settings.xml or /maven directory/conf/settings.xml file as below
optional true http proxyuser proxypass your.proxy.host 80 local.net|some.host.com
- Add same file in your eclipse as below Window -> Preference-> Maven -> User Settings
Click on Apply and then OK.
- Go to your project -> Right Click ->Maven ->Update Project -> Check Force Update -> Click on OK
Hope that will fix your issue .
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