Index: src/main/java/org/apache/maven/plugin/MojoExecution.java
===================================================================
--- src/main/java/org/apache/maven/plugin/MojoExecution.java	(revision 712253)
+++ src/main/java/org/apache/maven/plugin/MojoExecution.java	(working copy)
@@ -46,7 +46,7 @@
     public MojoExecution( MojoDescriptor mojoDescriptor )
     {
         this.mojoDescriptor = mojoDescriptor;
-        this.executionId = null;
+        this.executionId = "default";
         this.configuration = null;
     }