ProGuard: duplicate definition of library class?

If you add a proguard option -printconfiguration config.txt you’ll see proguard adds -libraryjars ‘D:\tools\android\platforms\android-23\android.jar’ -libraryjars ‘D:\tools\android\platforms\android-23\optional\org.apache.http.legacy.jar’ your duplicated classes (e.g. SslError) are presented in both android.jar and org.apache.http.legacy.jar Proguard adds second jar even if you don’t useLibrary ‘org.apache.http.legacy’ Here is an open bug describing the problem. So now we can’t do anything with the issue. … Read more