software license question - Mailing list pgsql-hackers

A question came up on the jdbc mail list today that I couldn't answer. 
It involves some code that is in the jdbc cvs tree (and has been for 
many releases).  This code contains the following license terms in each 
file:

/*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
*  statements and notices.  Redistributions must also contain a
*  copy of this document.
*
* 2. Redistributions in binary form must reproduce the
*  above copyright notice, this list of conditions and the
*  following disclaimer in the documentation and/or other
*  materials provided with the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote
*  products derived from this Software without prior written
*  permission of Exoffice Technologies.  For written permission,
*  please contact info@exolab.org.
*
* 4. Products derived from this Software may not be called "Exolab"
*  nor may "Exolab" appear in their names without prior written
*  permission of Exoffice Technologies. Exolab is a registered
*  trademark of Exoffice Technologies.
*
* 5. Due credit should be given to the Exolab Project
*  (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.    IN NO EVENT SHALL
* EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 1999 (C) Exoffice Technologies Inc. All Rights Reserved.
*



Is this a problem?

thanks,
--Barry