Add some extra diagnostic information to log message for ServiceException when factory returns null.


git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1702205 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/framework/src/main/java/org/apache/felix/framework/ServiceRegistrationImpl.java b/framework/src/main/java/org/apache/felix/framework/ServiceRegistrationImpl.java
index 1d567a1..e91bab2 100644
--- a/framework/src/main/java/org/apache/felix/framework/ServiceRegistrationImpl.java
+++ b/framework/src/main/java/org/apache/felix/framework/ServiceRegistrationImpl.java
@@ -378,7 +378,7 @@
         else
         {
             throw new ServiceException(
-                "Service factory returned null.", ServiceException.FACTORY_ERROR);
+                "Service factory returned null. (" + m_factory + ")", ServiceException.FACTORY_ERROR);
         }
         return svcObj;
     }