Sprint Tool Suite (STS) is the recommended IDE for the Spring Boot developments. Some companies impose network security rules for protecting their networks. As a Developer, Some times this may be a problem when working with STS and maven projects. Not downloading dependencies, not creating the project correctly are some of major difficulties. For the troubleshooting such this issues, This may be helpful to someone. If configure the proxy configurations in your IDE, the dependency downloading and updating related problems may be fixed.
In your STS, Go >> windows > preferences .
After opening preferences windows, access general > network connections.
Then update the proxy entries HTTP and HTTPS.
Provide host ip and port which are assigned by your organization.
After that, save settings and restart the IDE.