--- old/modules/jdk.packager/src/main/java/jdk/packager/internal/legacy/builders/mac/MacAppImageBuilder.java	2017-12-01 17:34:31.000000000 -0800
+++ new/modules/jdk.packager/src/main/java/jdk/packager/internal/legacy/builders/mac/MacAppImageBuilder.java	2017-12-01 17:34:31.000000000 -0800
@@ -445,7 +445,8 @@
             File srcdir = classPath.getBaseDirectory();
             for (String fname : classPath.getIncludedFiles()) {
                 // use new File since fname can have file separators
-                Files.copy(new File(srcdir, fname).toPath(), new File(javaDirectory.toFile(), fname).toPath());
+                writeEntry(new FileInputStream(new File(srcdir, fname)),
+                           new File(javaDirectory.toFile(), fname).toPath());
             }
         }
     }
--- old/modules/jdk.packager/src/main/java/jdk/packager/internal/legacy/builders/windows/WindowsAppImageBuilder.java	2017-12-01 17:34:32.000000000 -0800
+++ new/modules/jdk.packager/src/main/java/jdk/packager/internal/legacy/builders/windows/WindowsAppImageBuilder.java	2017-12-01 17:34:32.000000000 -0800
@@ -36,6 +36,7 @@
 
 import java.io.File;
 import java.io.FileOutputStream;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -434,7 +435,8 @@
             }
             File srcdir = appResources.getBaseDirectory();
             for (String fname : appResources.getIncludedFiles()) {
-                Files.copy(new File(srcdir, fname).toPath(), new File(appDir.toFile(), fname).toPath());
+                writeEntry(new FileInputStream(new File(srcdir, fname)),
+                           new File(appDir.toFile(), fname).toPath());
             }
         }
     }