1 files changed, 4 insertions, 0 deletions
diff --git a/java/demo/Database/library/Parser.java b/java/demo/Database/library/Parser.java
index fbaa44ef3b8..fe5c9dbdf30 100644
--- a/java/demo/Database/library/Parser.java
+++ b/java/demo/Database/library/Parser.java
@@ -61,6 +61,10 @@ class Parser
         {
             error("the book already exists");
         }
+        catch(InvalidISBNException ex)
+        {
+            error("invalid ISBN");
+        }
         catch(Ice.LocalException ex)
         {
             error(ex.toString());