<s>
Jenkins	B-Language
is	O
an	O
open	B-License
source	I-License
automation	B-Application
server	B-Application
.	O
</s>
<s>
It	O
helps	O
automate	O
the	O
parts	O
of	O
software	O
development	O
related	O
to	O
building	O
,	O
testing	B-Application
,	O
and	O
deploying	B-Application
,	O
facilitating	O
continuous	O
integration	O
and	O
continuous	O
delivery	O
.	O
</s>
<s>
It	O
is	O
a	O
server-based	O
system	O
that	O
runs	O
in	O
servlet	O
containers	O
such	O
as	O
Apache	B-Language
Tomcat	I-Language
.	O
</s>
<s>
It	O
supports	O
version	B-Architecture
control	I-Architecture
tools	O
,	O
including	O
AccuRev	O
,	O
CVS	B-Application
,	O
Subversion	B-Application
,	O
Git	B-Application
,	O
Mercurial	B-Protocol
,	O
Perforce	B-General_Concept
,	O
ClearCase	B-Protocol
and	O
RTC	O
,	O
and	O
can	O
execute	O
Apache	B-Application
Ant	I-Application
,	O
Apache	B-Language
Maven	I-Language
and	O
sbt	B-Language
based	O
projects	O
as	O
well	O
as	O
arbitrary	O
shell	B-Language
scripts	I-Language
and	O
Windows	O
batch	O
commands	O
.	O
</s>
<s>
The	O
Jenkins	B-Language
project	O
was	O
originally	O
named	O
Hudson	B-Language
,	O
and	O
was	O
renamed	O
in	O
2011	O
after	O
a	O
dispute	O
with	O
Oracle	B-Application
,	O
which	O
had	O
forked	B-Application
the	O
project	O
and	O
claimed	O
rights	O
to	O
the	O
project	O
name	O
.	O
</s>
<s>
The	O
Oracle	B-Application
fork	B-Application
,	O
Hudson	B-Language
,	O
continued	O
to	O
be	O
developed	O
for	O
a	O
time	O
before	O
being	O
donated	O
to	O
the	B-Application
Eclipse	I-Application
Foundation	I-Application
.	O
</s>
<s>
Oracle	B-Application
's	O
Hudson	B-Language
is	O
no	O
longer	O
maintained	O
and	O
was	O
announced	O
as	O
obsolete	O
in	O
February	O
2017	O
.	O
</s>
<s>
Around	O
2007	O
Hudson	B-Language
became	O
known	O
as	O
a	O
better	O
alternative	O
to	O
Cruise	B-Language
Control	I-Language
and	O
other	O
open-source	B-License
build-servers	O
.	O
</s>
<s>
During	O
November	O
2010	O
,	O
after	O
the	O
acquisition	O
of	O
Sun	O
Microsystems	O
by	O
Oracle	B-Application
,	O
an	O
issue	O
arose	O
in	O
the	O
Hudson	B-Language
community	O
with	O
respect	O
to	O
the	O
infrastructure	O
used	O
,	O
which	O
grew	O
to	O
encompass	O
questions	O
over	O
the	O
stewardship	O
and	O
control	O
by	O
Oracle	B-Application
.	O
</s>
<s>
Negotiations	O
between	O
the	O
principal	O
project	O
contributors	O
and	O
Oracle	B-Application
took	O
place	O
,	O
and	O
although	O
there	O
were	O
many	O
areas	O
of	O
agreement	O
a	O
key	O
sticking	O
point	O
was	O
the	O
trademarked	O
name	O
"	O
Hudson	B-Language
,	O
"	O
after	O
Oracle	B-Application
claimed	O
the	O
right	O
to	O
the	O
name	O
and	O
applied	O
for	O
a	O
trademark	O
in	O
December	O
2010	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
on	O
January	O
11	O
,	O
2011	O
,	O
a	O
call	O
for	O
votes	O
was	O
made	O
to	O
change	O
the	O
project	O
name	O
from	O
"	O
Hudson	B-Language
"	O
to	O
"	O
Jenkins.	O
"	O
</s>
<s>
The	O
proposal	O
was	O
overwhelmingly	O
approved	O
by	O
community	O
vote	O
on	O
January	O
29	O
,	O
2011	O
,	O
creating	O
the	O
Jenkins	B-Language
project	O
.	O
</s>
<s>
On	O
February	O
1	O
,	O
2011	O
,	O
Oracle	B-Application
said	O
that	O
they	O
intended	O
to	O
continue	O
development	O
of	O
Hudson	B-Language
,	O
and	O
considered	O
Jenkins	B-Language
a	O
fork	B-Application
rather	O
than	O
a	O
rename	O
.	O
</s>
<s>
Jenkins	B-Language
and	O
Hudson	B-Language
therefore	O
continued	O
as	O
two	O
independent	O
projects	O
,	O
each	O
claiming	O
the	O
other	O
was	O
the	O
fork	B-Application
.	O
</s>
<s>
As	O
of	O
June	O
2019	O
,	O
the	O
Jenkins	B-Language
organization	O
on	O
GitHub	B-Application
had	O
667	O
project	O
members	O
and	O
around	O
2,200	O
public	O
repositories	O
,	O
compared	O
with	O
Hudson	B-Language
's	O
28	O
project	O
members	O
and	O
20	O
public	O
repositories	O
with	O
the	O
last	O
update	O
in	O
2016	O
.	O
</s>
<s>
In	O
2011	O
,	O
creator	O
Kohsuke	O
Kawaguchi	O
received	O
an	O
O'Reilly	O
Open	B-License
Source	I-License
Award	O
for	O
his	O
work	O
on	O
the	O
Hudson/Jenkins	O
project	O
.	O
</s>
<s>
On	O
April	O
20	O
,	O
2016	O
,	O
version	O
2	O
was	O
released	O
with	O
the	O
Pipeline	O
plugin	B-Application
enabled	O
by	O
default	O
.	O
</s>
<s>
The	O
plugin	B-Application
allows	O
for	O
writing	O
build	O
instructions	O
using	O
a	O
domain	O
specific	O
language	O
based	O
on	O
Apache	B-Application
Groovy	I-Application
.	O
</s>
<s>
Jenkins	B-Language
replaced	O
Hudson	B-Language
since	O
February	O
8	O
,	O
2017	O
in	O
Eclipse	O
.	O
</s>
<s>
In	O
March	O
2018	O
Jenkins	B-Language
X	O
software	O
project	O
for	O
Kubernetes	B-General_Concept
was	O
publicly	O
presented	O
,	O
with	O
support	O
for	O
different	O
cloud	O
providers	O
including	O
AWS	O
EKS	O
among	O
others	O
.	O
</s>
<s>
Plugins	B-Application
have	O
been	O
released	O
for	O
Jenkins	B-Language
that	O
extend	O
its	O
use	O
to	O
projects	O
written	O
in	O
languages	O
other	O
than	O
Java	B-Language
.	O
</s>
<s>
Plugins	B-Application
are	O
available	O
for	O
integrating	O
Jenkins	B-Language
with	O
most	O
version	B-Architecture
control	I-Architecture
systems	I-Architecture
and	O
bug	O
databases	O
.	O
</s>
<s>
Many	O
build	O
tools	O
are	O
supported	O
via	O
their	O
respective	O
plugins	B-Application
.	O
</s>
<s>
Plugins	B-Application
can	O
also	O
change	O
the	O
way	O
Jenkins	B-Language
looks	O
or	O
add	O
new	O
functionality	O
.	O
</s>
<s>
There	O
are	O
a	O
set	O
of	O
plugins	B-Application
dedicated	O
for	O
the	O
purpose	O
of	O
unit	O
testing	B-Application
that	O
generate	O
test	O
reports	O
in	O
various	O
formats	O
(	O
for	O
example	O
,	O
JUnit	B-Language
bundled	O
with	O
Jenkins	B-Language
,	O
MSTest	O
,	O
NUnit	B-Application
,	O
etc	O
.	O
)	O
</s>
<s>
and	O
automated	B-Application
testing	I-Application
that	O
supports	O
automated	B-Application
tests	I-Application
.	O
</s>
<s>
Builds	O
can	O
generate	O
test	O
reports	O
in	O
various	O
formats	O
supported	O
by	O
plugins	B-Application
(	O
JUnit	B-Language
support	O
is	O
currently	O
bundled	O
)	O
and	O
Jenkins	B-Language
can	O
display	O
the	O
reports	O
and	O
generate	O
trends	O
and	O
render	O
them	O
in	O
the	O
GUI	O
.	O
</s>
<s>
Jenkins	B-Language
will	O
send	O
emails	O
to	O
the	O
specified	O
recipients	O
whenever	O
a	O
certain	O
important	O
event	O
occurs	O
,	O
such	O
as	O
:	O
</s>
<s>
Allows	O
storing	O
credentials	O
in	O
Jenkins	B-Language
.	O
</s>
<s>
Provides	O
a	O
standardized	O
API	O
for	O
other	O
plugins	B-Application
to	O
store	O
and	O
retrieve	O
different	O
types	O
of	O
credentials	O
.	O
</s>
<s>
This	O
plugin	B-Application
allows	O
managing	O
agents	O
(	O
formerly	O
known	O
as	O
slaves	O
)	O
running	O
on	O
*	O
nix	O
machines	O
over	O
SSH	O
.	O
</s>
<s>
Check	O
the	O
default	O
version	O
of	O
Java	B-Language
for	O
that	O
user	O
,	O
</s>
<s>
Once	O
it	O
has	O
a	O
suitable	O
version	O
of	O
Java	B-Language
,	O
copy	O
the	O
latest	O
via	O
SFTP	O
(	O
falling	O
back	O
to	O
scp	O
if	O
SFTP	O
is	O
not	O
available	O
)	O
,	O
</s>
<s>
This	O
plugin	B-Application
adds	O
Javadoc	O
support	O
to	O
Jenkins	B-Language
.	O
</s>
<s>
This	O
functionality	O
used	O
to	O
be	O
a	O
part	O
of	O
the	O
core	O
,	O
but	O
as	O
of	O
Jenkins	B-Language
1.431	O
,	O
it	O
was	O
split	O
off	O
into	O
separate	O
plugins	B-Application
.	O
</s>
<s>
The	O
plugin	B-Application
enables	O
the	O
selection	O
of	O
"	O
Publish	O
Javadoc	O
"	O
as	O
a	O
post-build	O
action	O
,	O
specifying	O
the	O
directory	O
where	O
the	O
Javadoc	O
is	O
to	O
be	O
gathered	O
and	O
if	O
retention	O
is	O
expected	O
for	O
each	O
successful	O
build	O
.	O
</s>
<s>
Jenkins	B-Language
can	O
be	O
used	O
to	O
schedule	O
and	O
monitor	O
the	O
running	O
of	O
a	O
shell	B-Language
script	I-Language
via	O
user	O
interface	O
instead	O
of	O
command	O
prompt	O
.	O
</s>
<s>
Jenkins	B-Language
 '	O
security	O
depends	O
on	O
two	O
factors	O
:	O
access	O
control	O
and	O
protection	O
from	O
external	O
threats	O
.	O
</s>
<s>
Protection	O
from	O
external	O
threats	O
such	O
as	O
CSRF	B-Protocol
attacks	I-Protocol
and	O
malicious	O
builds	O
is	O
supported	O
as	O
well	O
.	O
</s>
<s>
InfoWorld	O
Bossie	O
Award	O
(	O
Best	O
of	O
Open	B-License
Source	I-License
Software	O
Award	O
)	O
in	O
2011	O
.	O
</s>
