Index: src/main/java/org/apache/maven/DefaultMaven.java
===================================================================
--- src/main/java/org/apache/maven/DefaultMaven.java	(revision 606139)
+++ src/main/java/org/apache/maven/DefaultMaven.java	(working copy)
@@ -368,7 +368,13 @@
                                 throw new MavenExecutionException( "Unable to canonicalize file name " + moduleFile, e );
                             }
                         }
+                        else
+                        {
+                            // we should at least normalize or plugins may erroneously consider files as symlinks
 
+                            moduleFile = new File( moduleFile.toURI().normalize() );
+                        }
+
                         moduleFiles.add( moduleFile );
                     }