diff --git a/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java b/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java
index 2d5c590fb2fe67dc60e565ea289983a624c5cce4..f0374a886d283f779ee68173cc19db4bb551636c 100644
--- a/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java
+++ b/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java
@@ -23,7 +23,6 @@ import org.w3c.dom.Document;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 
-import javax.xml.XMLConstants;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.transform.Transformer;
@@ -187,9 +186,12 @@ public class SLUBTechnicalMetadataExtractorMediaConchPlugin implements MDExtract
         TransformerFactory tFactory;
         try {
             tFactory = TransformerFactory.newInstance();
-            System.out.println("Factory module name:" + tFactory.getClass().getModule().getName());
-            tFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
-            tFactory.setFeature(XMLConstants.USE_CATALOG, false);
+            //System.out.println("Factory module name:" + tFactory.getClass().getModule().getName());
+            //tFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
+            //tFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
+            //tFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_STYLESHEET, "");
+            //tFactory.setFeature(XMLConstants.USE_CATALOG, false);
+            System.out.println(System.getProperty("javax.xml.transform.TransformerFactory"));
             try {
                 System.out.println("stylesource=" + stylesource);
                 assert (!stylesource.isEmpty());