Here is the error message:
--------------------------
D:\java\lib\firebird>build

D:\java\lib\firebird>bin/ant.bat
-Djavax.xml.parsers.DocumentBuilderFactory="org.apache.xerces.jaxp.DocumentBuilderFactoryImpl"
-Djavax.xml
.parsers.SAXParserFactory="org.apache.xerces.jaxp.SAXParserFactoryImpl"
Buildfile: build.xml

init:

compile-concurrent:
[mkdir] Created dir: D:\java\lib\firebird\output\concurrent
[unjar] Expanding: D:\java\lib\firebird\src\lib\concurrent.jar
into D:\java\lib\firebird\output\concurrent

checkout-j2ee:
[mkdir] Created dir: D:\java\lib\firebird\thirdparty\jboss
[cvs] Using cvs passfile: D:\java\lib\firebird\.cvspass
[cvs] Caught exception: CreateProcess: cvs
-d:pserver:anonymous@...:/cvsroot/jboss -q checkout -P
jboss-j2ee error=2

compile-j2ee:
[mkdir] Created dir: D:\java\lib\firebird\output\j2ee

BUILD FAILED
file:D:/java/lib/firebird/build.xml:172: srcdir
"D:\java\lib\firebird\thirdparty\jboss\jboss-j2ee\src\main" does not
exist!