Summary: Minor changes to networking java files to remove warnings
Reviewed-by: chegar, weijun, hawtin
Contributed-by: kurchi.subhra.hazra@oracle.com, sasha_bu@hotmail.com

Reviewed-by: ngmr

Reviewed-by: okutsu

Reviewed-by: okutsu

Reviewed-by: mullan

Reviewed-by: mduigou

Reviewed-by: alanb

7090178: Move java.util.XMLUtils to another package to avoid split package
Reviewed-by: alanb, sherman

7082769: FileInputStream/FileOutputStream/RandomAccessFile allow file descriptor be closed when still in use
Reviewed-by: alanb

Reviewed-by: darcy, jrose

Reviewed-by: alanb

Reviewed-by: alanb, chegar

Reviewed-by: xuelei

Reviewed-by: alanb, ohair

Reviewed-by: paulk

Reviewed-by: mcimadamore

Reviewed-by: valeriep

Reviewed-by: mduigou, mduigou

Reviewed-by: alanb

Reviewed-by: weijun

Reviewed-by: xuelei, mullan, alanb

Reviewed-by: xuelei

Reviewed-by: chegar
Contributed-by: kurchi.subhra.hazra@oracle.com

Reviewed-by: mduigou, forax

Summary: synchronize the lookup in iterator
Reviewed-by: alanb

Reviewed-by: darcy
Contributed-by: sergey.kuksenko@oracle.com

Reviewed-by: alanb, michaelm

Reviewed-by: alanb, michaelm

Summary: Added comment block after copyright block stating that code is unfit for production.
Reviewed-by: ohair

Reviewed-by: xuelei, ohair

Summary: to use new InternalError constructor with cause chainning
Reviewed-by: alanb, ksrini, xuelei, neugens
Contributed-by: sebastian.sickelmann@gmx.de