JDK 6 Java Endorsed Standards Override Mechanism Document [1] references broken link [2]

Likely needs to point to [3]

[1] http://docs.oracle.com/javase/6/docs/technotes/guides/standards/
[2] http://java.sun.com/webservices/jaxp/ -> https://jaxp.dev.java.net/
[3] http://jaxp.java.net/