[jboss-as7-dev] Why can't I build, please help.

Hi, I have checked out the latest code and while building it on my Windows 7 m/c(Java 1..6.27, 64 bit), the build fails with the following error : [ERROR] Failed to execute goal org.codehaus.mojo:javacc-maven-plugin:2.3-jboss-1:jjtree (jjtree-jbossql) on project jboss-as-cmp: Execution jjtree-jbossql of goal org.codehaus.mojo:javacc-maven-plugin :2.3-jboss-1:jjtree failed: basedir C:\vkk\JBoss-AS7\jboss-as\cmp\C:\vkk\JBoss-AS7\jboss-as\cmp\src\main\jjtree does not exist -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <goals> -rf :jboss-as-cmp C:\vkk\JBoss-AS7\jboss-as> I am not sure why the base dir is being picked up as : basedir C:\vkk\JBoss-AS7\jboss-as\cmp\C:\vkk\JBoss-AS7\jboss-as\cmp\src\main\jjtree it should be basedir C:\vkk\JBoss-AS7\jboss-as\cmp\src\main\jjtree Can somebody please help. Thx Vimal