The error info looks as below:
=================
gtee@rdesktop: ~/ws $ /java/sqe/comp/jsn/users/amylu/jigsaw/solaris-amd64/bin/xjc -d build -p features ~/xml_jigsaw/src/JAXB/jaxb-sqe/docs/features.xsd
parsing a schema...
Exception in thread "main" 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:204)
        at com.sun.tools.internal.xjc.reader.xmlschema.parser.SchemaConstraintChecker.check(SchemaConstraintChecker.java:68)
        at com.sun.tools.internal.xjc.ModelLoader.loadXMLSchema(ModelLoader.java:346)
        at com.sun.tools.internal.xjc.ModelLoader.load(ModelLoader.java:160)
        at com.sun.tools.internal.xjc.ModelLoader.load(ModelLoader.java:105)
        at com.sun.tools.internal.xjc.Driver.run(Driver.java:311)
        at com.sun.tools.internal.xjc.Driver.run(Driver.java:184)
        at com.sun.tools.internal.xjc.Driver._main(Driver.java:107)
        at com.sun.tools.internal.xjc.Driver.access$000(Driver.java:64)
        at com.sun.tools.internal.xjc.Driver$1.run(Driver.java:87)
=================

The .xsd language defination is simple:
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">