Build failure in jaxws: package com.sun.xml.internal.ws.spi.db does not exist

[David Holmes]

A fresh clone of the jdk8/jdk8 forest (openjdk repos only) when build 
gives a bunch of errors in jaxws:

/java/embedded/users/dh198349/class-instance-size/jdk8-repo/jaxws/src/share/jaxws_classes/com/sun/xml/internal/ws/message/AbstractHeaderImpl.java:36: 
error: package com.sun.xml.internal.ws.spi.db does not exist
import com.sun.xml.internal.ws.spi.db.XMLBridge;

Does anyone know what might be the cause?

I don't normally do OPENJDK builds so it is possible I have something 
misconfigured.

Thanks,
David