java.security.AccessControlException: File accessible thru browser but not within same server
问题 So to not repeat myself too much, please refer to serve static image along side java google-enpoint api. As you can see from the referenced link, I am able to view the image through the url. However, when I am trying to read filenames using similar code to public void listFilesForFolder(final File folder) { for (final File fileEntry : folder.listFiles()) { if (fileEntry.isDirectory()) { listFilesForFolder(fileEntry); } else { System.out.println(fileEntry.getName()); } } } final File folder =