title: Android Studio external jar Error
body: <pre><code>Information:Gradle tasks [:app:assembleDebug]
  :app:preBuild UP-TO-DATE
  :app:preDebugBuild UP-TO-DATE
  :app:checkDebugManifest
  :app:preReleaseBuild UP-TO-DATE
  :app:prepareComAndroidSupportAppcompatV72311Library UP-TO-DATE
  :app:prepareComAndroidSupportDesign2311Library UP-TO-DATE
  :app:preDebugAndroidTestBuild UP-TO-DATE
  :app:prepareComAndroidSupportMultidex101Library UP-TO-DATE
  :app:prepareComAndroidSupportRecyclerviewV72311Library UP-TO-DATE
  :app:prepareComAndroidSupportSupportV42311Library UP-TO-DATE
  :app:prepareDebugDependencies
  :app:compileDebugAidl UP-TO-DATE
  :app:compileDebugRenderscript UP-TO-DATE
  :app:generateDebugBuildConfig UP-TO-DATE
  :app:generateDebugAssets UP-TO-DATE
  :app:mergeDebugAssets UP-TO-DATE
  :app:generateDebugResValues UP-TO-DATE
  :app:generateDebugResources UP-TO-DATE
  :app:mergeDebugResources UP-TO-DATE
  :app:processDebugManifest UP-TO-DATE
  :app:processDebugResources UP-TO-DATE
  :app:generateDebugSources UP-TO-DATE
  :app:compileDebugJavaWithJavac UP-TO-DATE
  :app:compileDebugNdk UP-TO-DATE
  :app:compileDebugSources UP-TO-DATE
  :app:transformClassesWithJarMergingForDebug UP-TO-DATE
  :app:collectDebugMultiDexComponents UP-TO-DATE
  :app:transformClassesWithMultidexlistForDebug UP-TO-DATE
  :app:transformClassesWithDexForDebug UP-TO-DATE
  :app:mergeDebugJniLibFolders UP-TO-DATE
  :app:transformNative_libsWithMergeJniLibsForDebug UP-TO-DATE
  :app:processDebugJavaRes UP-TO-DATE
  :app:transformResourcesWithMergeJavaResForDebug FAILED
  
  
  Error:Execution failed for task ':app:transformResourcesWithMergeJavaResForDebug'. &gt; com.android.build.api.transform.TransformException: com.android.builder.packaging.DuplicateFileException: Duplicate files copied in APK META-INF/license.txt   File1: C:\Users\system2\AndroidStudioProjects\PorjectName\app\libs\spring-android-rest-template-2.0.0.M1.jar    File2: C:\Users\system2\AndroidStudioProjects\ProjectName\app\libs\spring-android-core-2.0.0.M1.jar
  </code></pre>