1 files changed, 4 insertions, 1 deletions
diff --git a/java/sca/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionClassLoader.java b/java/sca/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionClassLoader.java
index 008bfec31a..97d8dcff73 100644
--- a/java/sca/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionClassLoader.java
+++ b/java/sca/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionClassLoader.java
@@ -55,7 +55,10 @@ public class ContributionClassLoader extends URLClassLoader {
         if (contribution.getLocation() != null) {
             try {
                 this.addURL(new URL(contribution.getLocation()));
-            } catch (MalformedURLException e) {
+                for (URL url : ContributionHelper.getNestedJarUrls(contribution)) {
+                    this.addURL(url);
+                }
+            } catch (IOException e) {
                 throw new RuntimeException(e);
             }
         }