--- maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/AbstractMojoTestCase.java.orig	2010-09-20 20:40:23.409198838 +0800
+++ maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/AbstractMojoTestCase.java	2010-09-20 20:41:24.184959518 +0800
@@ -181,7 +181,7 @@
 
         Mojo mojo = (Mojo) lookup( Mojo.ROLE, groupId + ":" + artifactId + ":" + version + ":" + goal );
 
-        Log mojoLogger = new DefaultLog( getContainer().getLoggerManager().getLoggerForComponent( Mojo.ROLE ) );
+        Log mojoLogger = new DefaultLog(((org.codehaus.plexus.MutablePlexusContainer)getContainer()).getLoggerManager().getLoggerForComponent( Mojo.ROLE ) );
 
         mojo.setLog( mojoLogger );