title: Could not find builder.jar (com.android.tools.build:builder:3.1.0)
body: <p>I wanted to Setting up android studio, i have installed the latest version(3.1.0) of it and i downloaded and installed the latest version of gradle(4.6) and created a new object. but gradle project sync failed. and shown up the error :</p>
  
  <blockquote>
    <p>Could not find builder.jar (com.android.tools.build:builder:3.1.0).
    Searched in the following locations:
        <a href="https://dl.google.com/dl/android/maven2/com/android/tools/build/builder/3.1.0/builder-3.1.0.jar" rel="noreferrer">https://dl.google.com/dl/android/maven2/com/android/tools/build/builder/3.1.0/builder-3.1.0.jar</a></p>
  </blockquote>
  
  <p><a href="https://i.stack.imgur.com/fvaqR.png" rel="noreferrer">screenshot</a></p>
  
  <p>I Couldn't find such problem with the others.</p>
  
  <ol>
  <li>is it related to android sdk or gradle version?</li>
  <li>is there any solution to download it manually and place it in the
  location??if it's possible , where is the location ,that i can put the
  builder-3.1.0.jar file.</li>
  </ol>