<s>
Bugzilla	B-Application
is	O
a	O
web-based	O
general-purpose	O
bug	B-Application
tracking	I-Application
system	I-Application
and	O
testing	B-Application
tool	I-Application
originally	O
developed	O
and	O
used	O
by	O
the	O
Mozilla	B-Operating_System
project	I-Operating_System
,	O
and	O
licensed	B-License
under	O
the	O
Mozilla	B-License
Public	I-License
License	I-License
.	O
</s>
<s>
Released	O
as	O
open-source	B-Application
software	I-Application
by	O
Netscape	O
Communications	O
in	O
1998	O
,	O
it	O
has	O
been	O
adopted	O
by	O
a	O
variety	O
of	O
organizations	O
for	O
use	O
as	O
a	O
bug	B-Application
tracking	I-Application
system	I-Application
for	O
both	O
free	B-License
and	I-License
open-source	I-License
software	I-License
and	O
proprietary	B-Application
projects	O
and	O
products	O
.	O
</s>
<s>
Bugzilla	B-Application
is	O
used	O
,	O
among	O
others	O
,	O
by	O
the	B-Operating_System
Mozilla	I-Operating_System
Foundation	I-Operating_System
,	O
WebKit	B-Language
,	O
Linux	B-Operating_System
kernel	I-Operating_System
,	O
FreeBSD	B-Operating_System
,	O
KDE	B-Application
,	O
Apache	B-Application
,	O
Eclipse	B-Application
and	O
LibreOffice	B-Application
.	O
</s>
<s>
Red	O
Hat	O
uses	O
it	O
,	O
but	O
is	O
gradually	O
migrating	O
its	O
product	O
to	O
use	O
Jira	B-Protocol
.	O
</s>
<s>
Bugzilla	B-Application
was	O
originally	O
devised	O
by	O
Terry	O
Weissman	O
in	O
1998	O
for	O
the	O
nascent	O
Mozilla.org	B-Operating_System
project	O
,	O
as	O
an	O
open	B-Application
source	I-Application
application	O
to	O
replace	O
the	O
in-house	O
system	O
then	O
in	O
use	O
at	O
Netscape	O
Communications	O
for	O
tracking	O
defects	O
in	O
the	O
Netscape	B-Protocol
Communicator	I-Protocol
suite	O
.	O
</s>
<s>
Bugzilla	B-Application
was	O
originally	O
written	O
in	O
Tcl	B-Operating_System
,	O
but	O
Weissman	O
decided	O
to	O
port	O
it	O
to	O
Perl	B-Language
before	O
its	O
release	O
as	O
part	O
of	O
Netscape	O
's	O
early	O
open-source	B-Application
code	O
drops	O
,	O
in	O
the	O
hope	O
that	O
more	O
people	O
would	O
be	O
able	O
to	O
contribute	O
to	O
it	O
,	O
given	O
that	O
Perl	B-Language
seemed	O
to	O
be	O
a	O
more	O
popular	O
language	O
at	O
the	O
time	O
.	O
</s>
<s>
Bugzilla	B-Application
2.0	O
was	O
the	O
result	O
of	O
that	O
port	O
to	O
Perl	B-Language
,	O
and	O
the	O
first	O
version	O
was	O
released	O
to	O
the	O
public	O
via	O
anonymous	O
CVS	B-Application
.	O
</s>
<s>
In	O
April	O
2000	O
,	O
Weissman	O
handed	O
over	O
control	O
of	O
the	O
Bugzilla	B-Application
project	O
to	O
Tara	O
Hernandez	O
.	O
</s>
<s>
Under	O
her	O
leadership	O
,	O
some	O
of	O
the	O
regular	O
contributors	O
were	O
coerced	O
into	O
taking	O
more	O
responsibility	O
,	O
and	O
Bugzilla	B-Application
development	O
became	O
more	O
community-driven	O
.	O
</s>
<s>
Bugzilla	B-Application
3.0	O
was	O
released	O
on	O
May	O
10	O
,	O
2007	O
and	O
brought	O
a	O
refreshed	O
UI	B-Application
,	O
an	O
XML-RPC	B-Protocol
interface	O
,	O
custom	O
fields	O
and	O
resolutions	O
,	O
mod_perl	O
support	O
,	O
shared	O
saved	O
searches	O
,	O
and	O
improved	O
UTF-8	O
support	O
,	O
along	O
with	O
other	O
changes	O
.	O
</s>
<s>
Bugzilla	B-Application
4.0	O
was	O
released	O
on	O
February	O
15	O
,	O
2011	O
and	O
Bugzilla	B-Application
5.0	O
was	O
released	O
in	O
July	O
2015	O
.	O
</s>
<s>
Bugzilla	B-Application
's	O
release	O
timeline	O
:	O
</s>
<s>
Bugzilla	B-Application
's	O
system	O
requirements	O
include	O
:	O
</s>
<s>
Currently	O
supported	O
database	B-Application
systems	I-Application
are	O
MySQL	B-Application
,	O
PostgreSQL	B-Application
,	O
Oracle	B-General_Concept
,	O
and	O
SQLite	B-Language
.	O
</s>
<s>
Bugzilla	B-Application
is	O
usually	O
installed	O
on	O
Linux	B-Application
using	O
the	O
Apache	B-Application
HTTP	I-Application
Server	I-Application
,	O
but	O
any	O
web	B-Application
server	I-Application
that	O
supports	O
CGI	B-Language
such	O
as	O
Lighttpd	B-Protocol
,	O
Hiawatha	B-Application
,	O
Cherokee	B-Language
can	O
be	O
used	O
.	O
</s>
<s>
Bugzilla	B-Application
's	O
installation	O
process	O
is	O
command	B-Application
line	I-Application
driven	O
and	O
runs	O
through	O
a	O
series	O
of	O
stages	O
where	O
system	O
requirements	O
and	O
software	O
capabilities	O
are	O
checked	O
.	O
</s>
<s>
While	O
the	O
potential	O
exists	O
in	O
the	O
code	O
to	O
turn	O
Bugzilla	B-Application
into	O
a	O
technical	B-Application
support	I-Application
ticket	I-Application
system	I-Application
,	O
task	O
management	O
tool	O
,	O
or	O
project	O
management	O
tool	O
,	O
Bugzilla	B-Application
's	O
developers	O
have	O
chosen	O
to	O
focus	O
on	O
the	O
task	O
of	O
designing	O
a	O
system	O
to	O
track	O
software	O
defects	O
.	O
</s>
<s>
Bugzilla	B-Application
returns	O
the	O
string	O
"	O
zarro	O
boogs	O
found	O
"	O
instead	O
of	O
"	O
0	O
bugs	O
found	O
"	O
when	O
a	O
search	O
for	O
bugs	O
returns	O
no	O
results	O
.	O
</s>
<s>
The	O
following	O
comment	O
is	O
provided	O
in	O
the	O
Bugzilla	B-Application
source	O
code	O
to	O
developers	O
who	O
may	O
be	O
confused	O
by	O
this	O
behaviour	O
:	O
</s>
<s>
When	O
asked	O
to	O
explain	O
this	O
message	O
,	O
Terry	O
Weissman	O
(	O
an	O
early	O
Bugzilla	B-Application
developer	O
)	O
had	O
the	O
following	O
to	O
say	O
:	O
</s>
<s>
WONTFIX	O
is	O
used	O
as	O
a	O
label	O
on	O
issues	O
in	O
Bugzilla	B-Application
and	O
other	O
systems	O
.	O
</s>
