Android Studio报错Cause: unable to find valid certification path to requested target

Android Studio报错Cause: unable to find valid certification path to requested target_第1张图片
我使用的Android Studio版本号是 4.0 4.0 4.0
解决方法:点击“File-Settings-Build, Execution, Development”,将复选框“Download external annotations for dependencies”的钩去掉,然后刷新缓存。

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