File2: C:\Users\guoxw\.gradle\caches\modules-2\files-2.1\org.jsoup\jsoup\1.10.3\b842f960942503cf1abbcc8c173a7f2c19d43726\jsoup-1.10.3.jarError:Execution failed for task ‘:app:transformResourcesWithMergeJavaResForDebug‘. > com.android.build.api.transform.TransformException: com.android.builder.packaging.DuplicateFileException: Duplicate files copied in APK org/jsoup/nodes/entities-xhtml.properties File1: D:\CooKara\cookaraclient\app\libs\jsoup-1.10.3.jar File2: C:\Users\guoxw\.gradle\caches\modules-2\files-2.1\org.jsoup\jsoup\1.10.3\b842f960942503cf1abbcc8c173a7f2c19d43726\jsoup-1.10.3.jar
1:错误原因： 在as的libs中加入了jsoup-1.10.3.jar 包，而as本身带有jsoup.jar包，产生冲突
2.删除了libs下的jsoup包
错误：com.android.builder.packaging.DuplicateFileException: Duplicate files copied
原文：http://www.cnblogs.com/galibujianbusana/p/7426373.html