diff --git a/back/src/org/kar/karideo/api/DataResource.java b/back/src/org/kar/karideo/api/DataResource.java
index e0b1fcc..9a14aea 100644
--- a/back/src/org/kar/karideo/api/DataResource.java
+++ b/back/src/org/kar/karideo/api/DataResource.java
@@ -376,9 +376,9 @@ public class DataResource {
     //@CacheMaxAge(time = 10, unit = TimeUnit.DAYS)
     public Response retriveDataThumbnailId(@Context SecurityContext sc, @QueryParam(HttpHeaders.AUTHORIZATION) String token, @HeaderParam("Range") String range, @PathParam("id") Long id) throws Exception {
         GenericContext gc = (GenericContext) sc.getUserPrincipal();
-        System.out.println("===================================================");
-        System.out.println("== DATA retriveDataThumbnailId ? " + (gc==null?"null":gc.user));
-        System.out.println("===================================================");
+        //System.out.println("===================================================");
+        //System.out.println("== DATA retriveDataThumbnailId ? " + (gc==null?"null":gc.user));
+        //System.out.println("===================================================");
         DataSmall value = getSmall(id);
         if (value == null) {
             return Response.status(404).
@@ -392,9 +392,8 @@ public class DataResource {
         //        || value.mimeType.contentEquals("image/webp")
         ) {
             // reads input image
-        	System.out.println("Read path: " + filePathName);
+        	//System.out.println("Read path: " + filePathName);
             File inputFile = new File(filePathName);
-        	System.out.println("   ==> file exist: "+ inputFile.exists());
         	if (!inputFile.exists()) {
                 return Response.status(500).
                         entity("Internal Error: Media is NOT FOUNDABLE: " + id).
@@ -402,30 +401,32 @@ public class DataResource {
                         build();
         	}
             BufferedImage inputImage = ImageIO.read(inputFile);
-        	System.out.println("   ==> in  buffer ready");
             int scaledWidth = 250;
             int scaledHeight = (int)((float)inputImage.getHeight() / (float)inputImage.getWidth() * (float) scaledWidth);
             // creates output image
             BufferedImage outputImage = new BufferedImage(scaledWidth,
                                         scaledHeight, inputImage.getType());
-        	System.out.println("   ==> out buffer ready");
 
             // scales the input image to the output image
             Graphics2D g2d = outputImage.createGraphics();
             g2d.drawImage(inputImage, 0, 0, scaledWidth, scaledHeight, null);
             g2d.dispose();
-        	System.out.println("   ==> configure Resize Done");
-            // create the oputput stream:
+            // create the output stream:
             ByteArrayOutputStream baos = new ByteArrayOutputStream();
-            ImageIO.write(outputImage, "JPG", baos);
-        	System.out.println("   ==> resize done");
+            try {
+				ImageIO.write(outputImage, "JPG", baos);
+			} catch (IOException e) {
+				e.printStackTrace();
+                return Response.status(500).
+                        entity("Internal Error: resize fail: " + e.getMessage()).
+                        type("text/plain").
+                        build();
+			}
             byte[] imageData = baos.toByteArray();
-        	System.out.println("   ==> generate response");
             Response.ok(new ByteArrayInputStream(imageData)).build();
             Response.ResponseBuilder out = Response.ok(imageData)
                     .header(HttpHeaders.CONTENT_LENGTH, imageData.length);
             out.type("image/jpeg");
-        	System.out.println("   ==> SSSSSSSSSSSSend");
             return out.build();
         }
         return buildStream(filePathName, range, value.mimeType);