1 files changed, 5 insertions, 1 deletions
diff --git a/src/main/java/com/c2kernel/lifecycle/instance/WfVertex.java b/src/main/java/com/c2kernel/lifecycle/instance/WfVertex.java
index f6cec33..b1e2211 100644
--- a/src/main/java/com/c2kernel/lifecycle/instance/WfVertex.java
+++ b/src/main/java/com/c2kernel/lifecycle/instance/WfVertex.java
@@ -152,6 +152,10 @@ public abstract class WfVertex extends GraphableVertex
 
     private static Script getScript(String name, String version) throws ScriptingEngineException
     {
+    	if (name == null || name.length() == 0)  
+    		throw new ScriptingEngineException("Script name is empty");
+    	if (version == null || version.length() == 0)
+    		throw new ScriptingEngineException("Script version is empty");
         Script script;
         try
         {
@@ -165,7 +169,7 @@ public abstract class WfVertex extends GraphableVertex
                 script = new Script(name.substring(0, split), name.substring(split + 1));
             }
             else
-                throw new ScriptingEngineException("Could not find script " + name + " v" + version);
+                throw new ScriptingEngineException("Could not find script '" + name + "' version '" + version+"'");
         }
 
         return script;