<s>
OpenEJB	B-Language
is	O
an	O
open-source	B-Application
,	O
embeddable	O
and	O
lightweight	O
Enterprise	B-Language
JavaBeans	I-Language
Container	O
System	O
and	O
EJB	B-Language
Server	O
,	O
released	O
under	O
the	O
Apache	B-Application
License	I-Application
2.0	O
.	O
</s>
<s>
OpenEJB	B-Language
has	O
been	O
integrated	O
with	O
Java	B-Language
EE	I-Language
application	O
servers	O
such	O
as	O
Geronimo	B-Language
and	O
WebObjects	B-Language
.	O
</s>
<s>
OpenEJB	B-Language
was	O
founded	O
by	O
Richard	O
Monson-Haefel	O
and	O
David	O
Blevins	O
in	O
December	O
1999	O
.	O
</s>
<s>
At	O
the	O
time	O
there	O
were	O
new	O
vendors	O
moving	O
in	O
the	O
enterprise	B-Language
Java	I-Language
space	O
seemingly	O
every	O
week	O
.	O
</s>
<s>
Rather	O
than	O
join	O
the	O
space	O
as	O
a	O
competitor	O
,	O
the	O
project	O
was	O
focused	O
entirely	O
on	O
providing	O
these	O
new	O
platforms	O
with	O
a	O
way	O
to	O
quickly	O
get	O
EJB	B-Language
compliance	O
via	O
plugging	O
OpenEJB	B-Language
into	O
their	O
application	O
server	O
.	O
</s>
<s>
The	O
first	O
to	O
integrate	O
OpenEJB	B-Language
in	O
this	O
fashion	O
was	O
Apple	O
's	O
WebObjects	B-Language
in	O
late	O
2000	O
,	O
released	O
in	O
2001	O
.	O
</s>
<s>
When	O
the	O
project	O
moved	O
to	O
Source	B-Application
Forge	I-Application
in	O
2002	O
an	O
Apache	B-Language
Tomcat	I-Language
integration	O
was	O
created	O
.	O
</s>
<s>
Again	O
rather	O
than	O
follow	O
what	O
most	O
in	O
the	O
industry	O
were	O
doing	O
and	O
putting	O
Tomcat	B-Language
into	O
OpenEJB	B-Language
,	O
the	O
project	O
decided	O
to	O
follow	O
its	O
vision	O
and	O
provide	O
an	O
integration	O
that	O
allowed	O
Tomcat	B-Language
users	O
to	O
plug	O
in	O
OpenEJB	B-Language
to	O
gain	O
EJB	B-Language
support	O
in	O
the	O
Tomcat	B-Language
platform	O
.	O
</s>
<s>
It	O
was	O
in	O
this	O
same	O
vein	O
of	O
putting	O
an	O
EJB	B-Language
container	I-Language
into	O
a	O
Web	O
server	O
that	O
the	O
project	O
developed	O
the	O
concept	O
of	O
putting	O
EJBs	B-Language
inside	O
the	O
.war	O
file	O
.	O
</s>
<s>
As	O
part	O
of	O
the	O
work	O
that	O
OpenEJB	B-Language
did	O
to	O
prepare	O
for	O
the	O
integration	O
with	O
Apple	O
's	O
WebObjects	B-Language
,	O
a	O
very	O
large	O
integration	O
test	O
suite	O
was	O
developed	O
.	O
</s>
<s>
The	O
test	O
suite	O
was	O
developed	O
as	O
a	O
generic	O
application	O
since	O
it	O
would	O
need	O
to	O
be	O
run	O
against	O
both	O
WebObjects	B-Language
and	O
other	O
platforms	O
that	O
integrated	O
OpenEJB	B-Language
.	O
</s>
<s>
For	O
simplicity	O
in	O
the	O
build	O
the	O
test	O
suite	O
based	O
on	O
JUnit	B-Language
,	O
was	O
run	O
with	O
OpenEJB	B-Language
right	O
inside	O
the	O
tests	O
rather	O
than	O
as	O
a	O
separate	O
process	O
,	O
which	O
was	O
easy	O
to	O
do	O
as	O
the	O
container	O
was	O
designed	O
to	O
be	O
plugged	O
into	O
other	O
platforms	O
and	O
make	O
as	O
little	O
assumptions	O
about	O
its	O
environment	O
as	O
possible	O
.	O
</s>
<s>
It	O
was	O
from	O
this	O
work	O
that	O
the	O
concept	O
of	O
combining	O
an	O
EJB	B-Language
application	O
with	O
plain	O
unit	O
tests	O
and	O
an	O
embeddable	O
EJB	B-Language
container	I-Language
was	O
born	O
.	O
</s>
<s>
Originally	O
referred	O
to	O
as	O
a	O
"	O
local	O
"	O
EJB	B-Language
container	I-Language
and	O
what	O
lead	O
the	O
project	O
to	O
describe	O
itself	O
as	O
being	O
able	O
to	O
run	O
in	O
two	O
modes	O
:	O
Local	O
and	O
Remote	O
.	O
</s>
<s>
In	O
August	O
2003	O
the	O
project	O
helped	O
launch	O
the	O
Apache	B-Language
Geronimo	I-Language
application	O
server	O
.	O
</s>
<s>
Originally	O
a	O
new	O
version	O
of	O
OpenEJB	B-Language
was	O
developed	O
ground	O
up	O
based	O
on	O
Geronimo	B-Language
's	O
GBean	O
architecture	O
and	O
released	O
as	O
OpenEJB	B-Language
2.0	O
which	O
lived	O
throughout	O
the	O
Geronimo	B-Language
1.x	O
cycle	O
.	O
</s>
<s>
In	O
2006	O
when	O
EJB	B-Language
3.0	O
was	O
released	O
which	O
had	O
a	O
focus	O
on	O
simplicity	O
,	O
the	O
project	O
went	O
back	O
to	O
its	O
roots	O
and	O
,	O
ported	O
select	O
bits	O
of	O
the	O
2.0	O
codebase	O
,	O
and	O
eventually	O
brought	O
it	O
up	O
to	O
the	O
EJB	B-Language
3.0	O
spec	O
level	O
in	O
what	O
is	O
now	O
called	O
OpenEJB	B-Language
3.0	O
.	O
</s>
<s>
Supports	O
EJB	B-Language
3.0	O
,	O
2.1	O
,	O
2.0	O
,	O
1.1	O
in	O
all	O
modes	O
;	O
embedded	O
,	O
standalone	O
or	O
otherwise	O
.	O
</s>
<s>
Can	O
be	O
dropped	O
into	O
Tomcat	B-Language
5	O
or	O
6	O
adding	O
various	O
JavaEE	B-Language
5	O
and	O
EJB	B-Language
3.0	O
features	O
to	O
a	O
standard	O
Tomcat	B-Language
install	O
.	O
</s>
<s>
CMP	B-Language
support	O
is	O
implemented	O
over	O
JPA	B-Language
allowing	O
to	O
freely	O
mix	O
CMP	B-Language
and	O
JPA	B-Language
usage	O
.	O
</s>
<s>
Complete	O
support	O
for	O
GlassFish	B-Language
descriptors	O
allowing	O
those	O
users	O
to	O
embedded	O
test	O
their	O
applications	O
.	O
</s>
<s>
Incredibly	O
flexible	O
JNDI	B-Language
name	O
support	O
allows	O
you	O
to	O
specify	O
formats	O
at	O
macro	O
and	O
micro	O
levels	O
and	O
imitate	O
the	O
format	O
of	O
other	O
vendors	O
.	O
</s>
<s>
Allows	O
for	O
easy	O
testing	O
and	O
debugging	O
in	O
IDEs	O
such	O
as	O
Eclipse	B-Application
,	O
IntelliJ	B-Language
IDEA	I-Language
or	O
NetBeans	B-Application
with	O
no	O
plug-ins	B-Application
required	O
.	O
</s>
<s>
Usable	O
in	O
ordinary	O
JUnit	B-Language
or	O
other	O
style	O
test	O
cases	O
without	O
complicated	O
setup	O
or	O
external	O
processes	O
.	O
</s>
