Improve error message.


git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@919073 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/framework/src/main/java/org/apache/felix/framework/util/manifestparser/ManifestParser.java b/framework/src/main/java/org/apache/felix/framework/util/manifestparser/ManifestParser.java
index 0d21277..87766f7 100644
--- a/framework/src/main/java/org/apache/felix/framework/util/manifestparser/ManifestParser.java
+++ b/framework/src/main/java/org/apache/felix/framework/util/manifestparser/ManifestParser.java
@@ -1171,7 +1171,10 @@
         }
         else
         {
-            logger.log(Logger.LOG_WARNING, "Only R4 bundles can be fragments.");
+            String s = (String) headerMap.get(Constants.BUNDLE_SYMBOLICNAME);
+            s = (s == null) ? (String) headerMap.get(Constants.BUNDLE_NAME) : s;
+            s = (s == null) ? headerMap.toString() : s;
+            logger.log(Logger.LOG_WARNING, "Only R4 bundles can be fragments: " + s);
         }
 
         return reqs;