diff -r 539d8b3f9e1e -r 2c14fbeff1dc src/jdk.jpackage/macosx/classes/jdk/jpackage/internal/MacAppStoreBundler.java
--- a/src/jdk.jpackage/macosx/classes/jdk/jpackage/internal/MacAppStoreBundler.java	Thu Jun 13 19:34:44 2019 -0400
+++ b/src/jdk.jpackage/macosx/classes/jdk/jpackage/internal/MacAppStoreBundler.java	Fri Jun 14 12:04:12 2019 -0400
@@ -121,16 +121,8 @@
             File outdir) throws PackagerException {
         Log.verbose(MessageFormat.format(I18N.getString(
                 "message.building-bundle"), APP_NAME.fetchFrom(params)));
-        if (!outdir.isDirectory() && !outdir.mkdirs()) {
-            throw new PackagerException(
-                    "error.cannot-create-output-dir",
-                     outdir.getAbsolutePath());
-        }
-        if (!outdir.canWrite()) {
-            throw new PackagerException(
-                    "error.cannot-write-to-output-dir",
-                    outdir.getAbsolutePath());
-        }
+
+        IOUtils.writableOutputDir(outdir.toPath());
 
         // first, load in some overrides
         // icns needs @2 versions, so load in the @2 default