dont reply check if we cant parse the version

Particular · Oct 29, 2014 · 2d86765 · 2d86765
1 parent 78f545b
commit 2d86765
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/src/NServiceBus.Core/Unicast/Behaviors/CallbackInvocationBehavior.cs b/src/NServiceBus.Core/Unicast/Behaviors/CallbackInvocationBehavior.cs
@@ -71,12 +71,18 @@ bool HandleCorrelatedMessage(TransportMessage transportMessage, IncomingContext
 
         bool SenderIsV5OrNewer(TransportMessage transportMessage)
         {
-            string version;
-            if (!transportMessage.Headers.TryGetValue(Headers.NServiceBusVersion, out version))
+            string versionString;
+            if (!transportMessage.Headers.TryGetValue(Headers.NServiceBusVersion, out versionString))
             {
                 return false;
             }
-            return Version.Parse(version).Major >= 5;
+            Version version;
+            if (!Version.TryParse(versionString, out version))
+            {
+                // if we cant parse the version assume it is not V5
+                return false;
+            }
+            return version.Major >= 5;
         }
     }
 }