1 files changed, 3 insertions, 3 deletions
diff --git a/src/main/java/com/c2kernel/lifecycle/WfVertexDef.java b/src/main/java/com/c2kernel/lifecycle/WfVertexDef.java
index 27bf00a..08e6451 100644
--- a/src/main/java/com/c2kernel/lifecycle/WfVertexDef.java
+++ b/src/main/java/com/c2kernel/lifecycle/WfVertexDef.java
@@ -22,8 +22,8 @@ package com.c2kernel.lifecycle;
 
 import java.util.Vector;
 
-import com.c2kernel.common.InvalidData;
-import com.c2kernel.common.ObjectNotFound;
+import com.c2kernel.common.InvalidDataException;
+import com.c2kernel.common.ObjectNotFoundException;
 import com.c2kernel.graph.model.GraphableVertex;
 import com.c2kernel.lifecycle.instance.WfVertex;
 import com.c2kernel.utils.KeyValuePair;
@@ -48,7 +48,7 @@ public abstract class WfVertexDef extends GraphableVertex
         setIsLayoutable(true);
     }
 
-    public abstract WfVertex instantiate() throws ObjectNotFound, InvalidData;
+    public abstract WfVertex instantiate() throws ObjectNotFoundException, InvalidDataException;
 
     public void configureInstance(WfVertex newVertex) {
 		KeyValuePair[] k = getProperties().getKeyValuePairs();