Error:Cause: unable to find valid certification path to requested target

Question

I got the following Error in android Studio 2.2.3 when I sync gradle.

Error:Cause: unable to find valid certification path to requested target

Answer 1

Run bellow command in Android studio terminal after opening the same project. It worked for me.

On Windows:

gradlew cleanBuildCache

On Mac or Linux:

./gradlew cleanBuildCache