diff -r cfd047f3cf60 -r ae3acbf63943 src/share/classes/com/sun/tools/javap/CodeWriter.java
--- a/src/share/classes/com/sun/tools/javap/CodeWriter.java	Thu Aug 26 15:17:17 2010 -0700
+++ b/src/share/classes/com/sun/tools/javap/CodeWriter.java	Thu Aug 26 16:13:33 2010 -0700
@@ -239,7 +239,10 @@
                 new ArrayList<InstructionDetailWriter>();
         if (options.details.contains(InstructionDetailWriter.Kind.SOURCE)) {
             sourceWriter.reset(classWriter.getClassFile(), attr);
-            detailWriters.add(sourceWriter);
+            if (sourceWriter.hasSource())
+                detailWriters.add(sourceWriter);
+            else
+                println("(Source code not available)");
         }
 
         if (options.details.contains(InstructionDetailWriter.Kind.LOCAL_VARS)) {