--- a/servlet/src/main/java/digilib/servlet/ServletOps.java	Thu Nov 05 20:19:38 2015 +0100
+++ b/servlet/src/main/java/digilib/servlet/ServletOps.java	Fri Nov 06 14:30:56 2015 +0100
@@ -301,7 +301,9 @@
     }
 
     /**
-     * Write image img to ServletResponse response.
+     * Write image img to ServletResponse response as data of mimeType.
+     * 
+     * If mimeType is null, use heuristics for type.
      * 
      * @param img
      * @param mimeType
@@ -317,12 +319,11 @@
     		logger.error("No response!");
     		return;
     	}
-        //logger.debug("sending to response: ("+ headersToString(response) + ") committed=" + response.isCommitted());
         logger.debug("sending to response. committed=" + response.isCommitted());
         try {
             /*
-             *  determine content-type: if mime type is set use that otherwise
-             *  if source is JPG then dest will be JPG else it's PNG
+             * determine the content-type: if mime type is set use that 
+             * otherwise if source is JPG then dest will be JPG else it's PNG
              */
             if (mimeType == null) {
                 mimeType = img.getMimetype();
@@ -343,20 +344,23 @@
             String respType = response.getContentType();
             if (! mimeType.equals(respType)) {
             	// this shouldn't happen
-            	logger.error("Crap! ServletResponse lost content type! ct="+respType);
-            	// TODO: would this help?
+            	logger.error("Crap! ServletResponse lost content type! ["+respType+"] Aborting!");
+            	// TODO: would this even help?
             	response.getOutputStream().close();
             	return;
             }
+            
             /*
              * write the image
              */
             OutputStream outstream = response.getOutputStream();
             img.writeImage(mimeType, outstream);
+            
         } catch (IOException e) {
             throw new ServletException("Error sending image:", e);
-        }
-        // TODO: should we: finally { img.dispose(); }
+        } finally { 
+        	img.dispose(); 
+    	}
     }