diff --git a/jdk/src/java.desktop/unix/classes/sun/print/CUPSPrinter.java b/jdk/src/java.desktop/unix/classes/sun/print/CUPSPrinter.java
index 6d1b54e32f3..c1f0423b2b1 100644
--- a/jdk/src/java.desktop/unix/classes/sun/print/CUPSPrinter.java
+++ b/jdk/src/java.desktop/unix/classes/sun/print/CUPSPrinter.java
@@ -136,7 +136,7 @@ public class CUPSPrinter  {
     /**
      * Returns array of MediaSizeNames derived from PPD.
      */
-    public MediaSizeName[] getMediaSizeNames() {
+    MediaSizeName[] getMediaSizeNames() {
         initMedia();
         return cupsMediaSNames;
     }
@@ -145,7 +145,7 @@ public class CUPSPrinter  {
     /**
      * Returns array of Custom MediaSizeNames derived from PPD.
      */
-    public CustomMediaSizeName[] getCustomMediaSizeNames() {
+    CustomMediaSizeName[] getCustomMediaSizeNames() {
         initMedia();
         return cupsCustomMediaSNames;
     }
@@ -157,7 +157,7 @@ public class CUPSPrinter  {
     /**
      * Returns array of MediaPrintableArea derived from PPD.
      */
-    public MediaPrintableArea[] getMediaPrintableArea() {
+    MediaPrintableArea[] getMediaPrintableArea() {
         initMedia();
         return cupsMediaPrintables;
     }
@@ -165,7 +165,7 @@ public class CUPSPrinter  {
     /**
      * Returns array of MediaTrays derived from PPD.
      */
-    public MediaTray[] getMediaTrays() {
+    MediaTray[] getMediaTrays() {
         initMedia();
         return cupsMediaTrays;
     }
diff --git a/jdk/src/java.desktop/unix/classes/sun/print/IPPPrintService.java b/jdk/src/java.desktop/unix/classes/sun/print/IPPPrintService.java
index 22cc7bb48bf..698cd429bda 100644
--- a/jdk/src/java.desktop/unix/classes/sun/print/IPPPrintService.java
+++ b/jdk/src/java.desktop/unix/classes/sun/print/IPPPrintService.java
@@ -1002,7 +1002,9 @@ public class IPPPrintService implements PrintService, SunPrinterJobService {
 
     public synchronized Class<?>[] getSupportedAttributeCategories() {
         if (supportedCats != null) {
-            return supportedCats;
+            Class<?> [] copyCats = new Class<?>[supportedCats.length];
+            System.arraycopy(supportedCats, 0, copyCats, 0, copyCats.length);
+            return copyCats;
         }
 
         initAttributes();
@@ -1065,7 +1067,9 @@ public class IPPPrintService implements PrintService, SunPrinterJobService {
 
         supportedCats = new Class<?>[catList.size()];
         catList.toArray(supportedCats);
-        return supportedCats;
+        Class<?>[] copyCats = new Class<?>[supportedCats.length];
+        System.arraycopy(supportedCats, 0, copyCats, 0, copyCats.length);
+        return copyCats;
     }