1 files changed, 10 insertions, 2 deletions
diff --git a/sca-java-2.x/trunk/modules/node-api/src/main/java/org/apache/tuscany/sca/node/configuration/impl/NodeConfigurationImpl.java b/sca-java-2.x/trunk/modules/node-api/src/main/java/org/apache/tuscany/sca/node/configuration/impl/NodeConfigurationImpl.java
index f3853fc4bf..97fbb5b950 100644
--- a/sca-java-2.x/trunk/modules/node-api/src/main/java/org/apache/tuscany/sca/node/configuration/impl/NodeConfigurationImpl.java
+++ b/sca-java-2.x/trunk/modules/node-api/src/main/java/org/apache/tuscany/sca/node/configuration/impl/NodeConfigurationImpl.java
@@ -117,11 +117,19 @@ public class NodeConfigurationImpl implements NodeConfiguration {
     }
 
     public NodeConfiguration addContribution(String contributionURI, URL location) {
-        return addContribution(contributionURI, location.toString());
+        String url = null;
+        if (location != null) {
+            url = location.toString();
+        }
+        return addContribution(contributionURI, url);
     }
 
     public NodeConfiguration addContribution(URI contributionURI, URL location) {
-        return addContribution(contributionURI.toString(), location.toString());
+        String url = null;
+        if (location != null) {
+            url = location.toString();
+        }
+        return addContribution(contributionURI.toString(), url);
     }
 
     public NodeConfiguration addContribution(URL... locations) {