<s>
Apache	B-Application
Gump	I-Application
is	O
an	O
open	B-Application
source	I-Application
continuous	O
integration	O
system	O
,	O
which	O
aims	O
to	O
build	O
and	O
test	O
all	O
the	O
open	B-Application
source	I-Application
Java	B-Language
projects	O
,	O
every	O
night	O
.	O
</s>
<s>
It	O
is	O
hosted	O
at	O
gump.apache.org,	O
and	O
runs	O
every	O
night	O
on	O
the	O
official	O
Sun	O
JVM	B-Language
.	O
</s>
<s>
Gump	O
was	O
created	O
by	O
Sam	O
Ruby	O
,	O
based	O
on	O
his	O
experience	O
in	O
the	O
Perl	B-Language
community	O
.	O
</s>
<s>
The	O
current	O
live	O
version	O
,	O
Gump	O
3	O
,	O
has	O
been	O
completely	O
rewritten	O
in	O
Python	B-Language
.	O
</s>
<s>
One	O
describes	O
how	O
to	O
access	O
the	O
live	O
CVS	B-Application
or	O
Subversion	B-Application
repository	O
;	O
the	O
other	O
what	O
to	O
build	O
from	O
the	O
repository	O
,	O
and	O
the	O
artifacts	O
produced	O
.	O
</s>
<s>
Gump	O
can	O
build	O
shell	B-Language
script	I-Language
,	O
Ant	B-Application
and	O
Maven	B-Language
1	I-Language
projects	O
,	O
setting	O
up	O
the	O
classpath	B-Language
appropriately	O
.	O
</s>
<s>
Ant	B-Application
and	O
Maven	B-Language
1	I-Language
have	O
special	O
hooks	O
built	O
in	O
them	O
to	O
give	O
Gump	O
complete	O
control	O
of	O
the	O
classpaths	B-Language
used	O
to	O
build	O
and	O
test	O
the	O
applications	O
.	O
</s>
<s>
This	O
allows	O
Gump	O
to	O
build	O
the	O
projects	O
against	O
the	O
latest	O
versions	O
,	O
even	O
if	O
the	O
project	O
's	O
own	O
build	O
files	O
have	O
hard	O
coded	O
dependencies	O
against	O
static	B-Library
libraries	I-Library
in	O
their	O
own	O
CVS	B-Application
or	O
subversion	B-Application
repository	O
.	O
</s>
<s>
Until	O
Maven	B-Language
support	O
is	O
added	O
,	O
many	O
Java	B-Language
projects	O
cannot	O
be	O
built	O
.	O
</s>
<s>
As	O
it	O
is	O
an	O
open	O
service	O
for	O
all	O
open	B-Application
source	I-Application
projects	O
,	O
the	O
project	O
has	O
invested	O
less	O
effort	O
in	O
making	O
it	O
easy	O
to	O
bring	O
up	O
a	O
new	O
gump	O
installation	O
,	O
which	O
makes	O
private	O
use	O
harder	O
.	O
</s>
<s>
If	O
a	O
foundational	O
project	O
such	O
as	O
Ant	B-Application
,	O
Xerces	B-Language
or	O
JUnit	B-Language
fails	O
to	O
build	O
,	O
then	O
most	O
of	O
Gump	O
is	O
blocked	O
until	O
a	O
fix	O
is	O
made	O
.	O
</s>
