<s>
Apache	B-Language
Geronimo	I-Language
is	O
an	O
open	B-Application
source	I-Application
application	B-Application
server	I-Application
developed	O
by	O
the	O
Apache	O
Software	O
Foundation	O
and	O
distributed	O
under	O
the	O
Apache	B-Application
license	I-Application
.	O
</s>
<s>
Geronimo	O
3	O
,	O
the	O
current	O
version	O
,	O
is	O
compatible	O
with	O
the	O
Java	B-Language
Enterprise	I-Language
Edition	I-Language
(	O
Java	B-Language
EE	I-Language
)	O
6	O
specification	O
and	O
therefore	O
supports	O
technologies	O
such	O
as	O
JMS	B-Language
,	O
Enterprise	B-Language
JavaBeans	I-Language
,	O
Connectors	O
,	O
servlets	B-Application
,	O
JSP	B-Language
,	O
JSF	B-Language
,	O
Unified	B-Language
Expression	I-Language
Language	I-Language
and	O
JavaMail	B-Language
.	O
</s>
<s>
The	O
older	O
Geronimo	O
2	O
is	O
compatible	O
with	O
Java	B-Language
EE	I-Language
5	I-Language
.	O
</s>
<s>
In	O
October	O
2005	O
,	O
IBM	O
announced	O
a	O
free	O
edition	O
of	O
its	O
WebSphere	B-Language
application	I-Language
server	I-Language
named	O
Websphere	B-Language
Application	I-Language
Server	I-Language
Community	I-Language
Edition	I-Language
(	O
WASCE	O
)	O
,	O
which	O
is	O
actually	O
a	O
distribution	O
of	O
Geronimo	O
and	O
despite	O
its	O
name	O
not	O
related	O
to	O
the	O
commercial	O
WebSphere	B-Language
server	O
.	O
</s>
<s>
Activity	O
on	O
Apache	B-Language
Geronimo	I-Language
has	O
now	O
largely	O
ceased	O
.	O
</s>
<s>
Previous	O
prolific	O
Geronimo	O
committers	O
like	O
David	O
Jencks	O
and	O
others	O
who	O
are	O
at	O
IBM	O
are	O
now	O
working	O
on	O
the	O
Liberty	O
Profile	O
application	B-Application
server	I-Application
.	O
</s>
<s>
Like	O
an	O
enterprise	O
operating	B-General_Concept
system	I-General_Concept
,	O
Geronimo	O
is	O
built	O
on	O
a	O
kernel	B-Operating_System
—	O
a	O
microkernel	B-Operating_System
that	O
lays	O
the	O
foundation	O
for	O
everything	O
above	O
it	O
.	O
</s>
<s>
Geronimo	O
's	O
kernel	B-Operating_System
is	O
Java	B-Language
EE	I-Language
agnostic	O
.	O
</s>
<s>
Geronimo	O
is	O
marked	O
by	O
an	O
architectural	O
design	O
that	O
is	O
based	O
on	O
the	O
concept	O
of	O
Inversion	B-Language
of	I-Language
Control	I-Language
(	O
IoC	O
)	O
(	O
sometimes	O
called	O
Dependency	B-Library
Injection	I-Library
)	O
,	O
which	O
means	O
that	O
the	O
kernel	B-Operating_System
has	O
no	O
direct	O
dependency	O
on	O
any	O
of	O
its	O
components	B-Architecture
.	O
</s>
<s>
The	O
kernel	B-Operating_System
is	O
a	O
framework	O
for	O
services	O
that	O
controls	O
the	O
service	O
life	O
cycle	O
and	O
registry	O
.	O
</s>
<s>
The	O
kernel	B-Operating_System
is	O
based	O
on	O
Java	B-Language
EE	I-Language
.	O
</s>
<s>
It	O
works	O
with	O
Java	B-Language
EE	I-Language
services	O
and	O
components	B-Architecture
to	O
build	O
specific	O
configurations	O
—	O
one	O
of	O
which	O
is	O
a	O
full	O
Java	B-Language
EE	I-Language
solution	B-Application
stack	I-Application
.	O
</s>
<s>
A	O
majority	O
of	O
the	O
Geronimo	O
services	O
are	O
added	O
and	O
configured	O
through	O
GBeans	O
to	O
become	O
a	O
part	O
of	O
the	O
overall	O
application	B-Application
server	I-Application
.	O
</s>
<s>
A	O
GBean	O
is	O
the	O
interface	O
that	O
connects	O
the	O
component	O
to	O
the	O
kernel	B-Operating_System
.	O
</s>
<s>
Each	O
GBean	O
can	O
maintain	O
state	O
,	O
depend	O
on	O
,	O
and	O
interrelate	O
with	O
other	O
GBeans	O
,	O
and	O
operate	O
on	O
events	O
from	O
the	O
kernel	B-Operating_System
and	O
other	O
GBeans	O
.	O
</s>
<s>
The	O
GBeans	O
interface	O
makes	O
it	O
possible	O
to	O
switch	O
between	O
two	O
servlet	B-Language
containers	I-Language
,	O
for	O
example	O
Jetty	B-Language
or	O
Tomcat	B-Language
,	O
without	O
affecting	O
the	O
whole	O
architecture	O
using	O
a	O
GBeans	O
interface	O
.	O
</s>
<s>
This	O
flexible	O
architecture	O
makes	O
it	O
possible	O
for	O
the	O
Geronimo	O
developers	O
to	O
integrate	O
several	O
existing	O
field-tested	O
open	B-Application
source	I-Application
software	I-Application
projects	O
.	O
</s>
<s>
Here	O
a	O
list	O
of	O
the	O
open	B-Application
source	I-Application
components	B-Architecture
that	O
are	O
included	O
in	O
the	O
Geronimo	O
project	O
.	O
</s>
<s>
Component	O
Description	O
Apache	B-Language
Tomcat	I-Language
HTTP	B-Protocol
server	O
and	O
Servlet	B-Language
container	I-Language
supporting	O
Java	B-Application
Servlet	I-Application
2.5	O
and	O
JavaServer	B-Language
Pages	I-Language
(	O
JSP	B-Language
)	O
2.1	O
.	O
</s>
<s>
Jetty	B-Language
HTTP	B-Protocol
server	O
and	O
Servlet	B-Language
container	I-Language
supporting	O
Java	B-Application
Servlet	I-Application
2.5	O
and	O
JavaServer	B-Language
Pages	I-Language
2.1	O
—	O
an	O
alternative	O
to	O
the	O
Tomcat	B-Language
server	O
.	O
</s>
<s>
Apache	B-Language
ActiveMQ	I-Language
Open	B-Application
source	I-Application
Java	B-Language
Message	I-Language
Service	I-Language
(	O
JMS	B-Language
)	O
1.1	O
applications	O
provider	O
and	O
supporter	O
of	O
message-driven	B-Language
beans	I-Language
(	O
MDBs	O
)	O
.	O
</s>
<s>
Apache	B-Language
OpenEJB	I-Language
Open	B-Application
source	I-Application
Enterprise	B-Language
JavaBeans	I-Language
(	O
EJB	B-Language
)	O
Container	O
System	O
and	O
EJB	B-Language
Server	O
that	O
supports	O
Enterprise	B-Language
JavaBeans	I-Language
at	O
the	O
3.0	O
level	O
,	O
including	O
Container	B-Language
Managed	I-Language
Persistence	I-Language
2	O
(	O
CMP2	O
)	O
and	O
EJB	B-Language
Query	I-Language
Language	I-Language
(	O
EJB	B-Language
QL	I-Language
)	O
.	O
</s>
<s>
Apache	B-Language
OpenJPA	I-Language
Open	B-Application
source	I-Application
Java	B-Language
Persistence	I-Language
API	I-Language
(	O
JPA	O
)	O
1.0	O
implementation	O
.	O
</s>
<s>
Apache	B-Language
ServiceMix	I-Language
Open	B-Application
source	I-Application
Enterprise	B-Application
Service	I-Application
Bus	I-Application
(	O
ESB	O
)	O
and	O
component	O
suite	O
based	O
on	O
the	O
Java	B-Language
Business	I-Language
Integration	I-Language
(	O
JBI	B-Language
)	O
standard	O
on	O
JSR	B-Language
208	I-Language
.	O
</s>
<s>
Apache	O
Axis	O
and	O
Apache	O
Scout	O
Axis	O
is	O
a	O
Simple	O
Object	O
Access	O
Protocol	O
(	O
SOAP	B-Application
)	O
implementation	O
,	O
while	O
Scout	O
is	O
a	O
JSR	B-Language
93	I-Language
(	O
JAXR	B-Language
)	O
implementation	O
.	O
</s>
<s>
Apache	B-Language
CXF	I-Language
Web	O
Services	O
frameworks	O
with	O
variety	O
of	O
protocols	O
such	O
as	O
SOAP	B-Application
,	O
XML/HTTP	O
,	O
RESTful	B-Protocol
HTTP	B-Protocol
,	O
or	O
CORBA	B-Architecture
and	O
work	O
over	O
a	O
variety	O
of	O
transports	O
such	O
as	O
HTTP	B-Protocol
,	O
JMS	B-Language
or	O
JBI	B-Language
.	O
</s>
<s>
Apache	B-Language
Derby	I-Language
Full-fledged	O
relational	B-Application
database	I-Application
management	I-Application
system	I-Application
(	O
RDBMS	O
)	O
with	O
native	O
Java	B-Language
Database	I-Language
Connectivity	I-Language
(	O
JDBC	B-Language
)	O
support	O
.	O
</s>
<s>
Apache	B-Language
WADI	I-Language
Clustering	O
,	O
load	B-Application
balancing	I-Application
and	O
failover	B-General_Concept
solution	O
for	O
the	O
web	B-Application
application	I-Application
container	I-Application
tier	I-Application
.	O
</s>
<s>
(	O
The	O
project	O
is	O
currently	O
in	O
incubation	O
under	O
the	O
Apache	B-Application
Incubator	I-Application
.	O
)	O
</s>
<s>
MX4J	B-Language
Java	B-Language
Management	I-Language
Extensions	I-Language
that	O
supplies	O
tools	O
for	O
managing	O
and	O
monitoring	O
applications	O
,	O
system	O
objects	O
,	O
devices	O
and	O
service-oriented	O
networks	O
.	O
</s>
