[jboss-as7-dev] No SchemaFactory?

Now that the system module is no longer a dependency of the WAR's ModuleSpecification, JSF is no longer able to validate schemas. I think it's agreed that system should not be there, but how do I deal with this? Caused by: java.lang.IllegalArgumentException: No SchemaFactory that implements the schema language specified by: http://www.w3.org/2001/XMLSchema could be loaded at javax.xml.validation.SchemaFactory.newInstance(SchemaFactory.java:207) [:1.6.0_18] at com.sun.faces.config.DbfFactory.initStatics(DbfFactory.java:228) [file:C:%5Cprojects%5Cas7trunk%5Cjboss-as%5Cbuild%5Ctarget%5Cjboss-7.0.0.Alpha2%5Cmodules%5Cjavax%5Cfaces%5Cimpl%5Cmain%5Cjsf-impl-2.0.4-b09.jar:2.0.4-b09] ... 12 more