title: trouble processing "javax/xml/parsers/DocumentBuilder.class": Ill-advised or mistaken usage of a core class (java.* or javax.*)
body: <p>I added the Dom4j maven repository and always get this build error. </p>
  
  <p><strong><em>trouble processing “javax/xml/parsers/DocumentBuilder.class”: Ill-advised or mistaken usage of a core class (java.</em> or javax.<em>)</em></strong></p>
  
  <p>build.gradle :</p>
  
  <pre><code>apply plugin: 'com.android.application'
  apply plugin: 'maven'
  
  repositories {
      maven { url 'http://mvnrepository.com/artifact/dom4j/dom4j/1.6.1' }
  }
  
  
  android {
      compileSdkVersion 20
      buildToolsVersion '20.0.0'
  
  defaultConfig {
      applicationId "com.test.de.wearabletest"
      minSdkVersion 15
      targetSdkVersion 20
      versionCode 1
      versionName "1.0"
  }
  buildTypes {
      release {
          runProguard false
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
      }
    }
  }
  
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      wearApp project(':wear')
      compile 'com.google.android.gms:play-services-wearable:+'
      compile 'dom4j:dom4j:1.6.1'
  }
  </code></pre>
  
  <p>I have not found a solution elsewhere.</p>