--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/GraphPrintVisitor.java	Wed Jan 29 20:43:28 2014 -0800
+++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/GraphPrintVisitor.java	Wed Jan 29 20:45:43 2014 -0800
@@ -169,7 +169,7 @@
         }
     }
 
-    public void printToNetwork() {
+    public void printToNetwork(boolean ignoreErrors) {
         try {
             Transformer tr = TransformerFactory.newInstance().newTransformer();
             tr.setOutputProperty(OutputKeys.METHOD, "xml");
@@ -178,7 +178,9 @@
             BufferedOutputStream stream = new BufferedOutputStream(socket.getOutputStream(), 0x4000);
             tr.transform(new DOMSource(dom), new StreamResult(stream));
         } catch (TransformerException | IOException e) {
-            e.printStackTrace();
+            if (!ignoreErrors) {
+                e.printStackTrace();
+            }
         }
     }