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Servicemix4.5.0
1.
2. Apache ServiceMix is an enterprise-class open-source
distributed enterprise service bus (ESB) and service-oriented
architecture (SOA) toolkit. It was built from the ground up on
the semantics and APIs of the Java Business Integration (JBI)
specification JSR 208 and released under the Apache License.
ServiceMix 4 also fully supports OSGi. ServiceMix is
lightweight and easily embeddable, has integrated Spring
support and can be run at the edge of the network (inside a
client or server), as a standalone ESB provider or as a service
within another ESB. You can use ServiceMix in Java SE or a
Java EE application server. ServiceMix uses ActiveMQ to
provide remoting, clustering, reliability and distributed
failover.
3. "An Enterprise Service Bus (ESB) is a new architecture
that, exploits Web services, Messaging middleware,
intelligent routing, and transformation. ESBs act as a
lightweight, ubiquitous integration backbone through
which software services and application components
flow.”
4. An ESB acts as a shared messaging layer for connecting
applications and other services throughout an enterprise
computing infrastructure. It supplements its core
asynchronous messaging backbone with intelligent
transformation and routing to ensure messages are
passed reliably. Services participate in the ESB using
either web services messaging standards or JMS
5.
6. §
ServiceMix employs a layered architecture based on OSGi
• The core : A lightweight runtime named “Karaf”, which extends
OSGi with powerful features for handling and managing OSGI
bundles
• The technology layer : A layer of component technologies that sits
on top of the core to support your applications
7. •Hot deployment support for OSGi bundles
• Dynamic configuration of services through the OSGi “ConfigurationAdmin”
service
• Dynamic logging back-end provided by Log4J supports different
APIs (SLF4J, Java Utils, JCL, Avalon, Tomcat, OSGi)
• Application provisioning through file-drop, Maven repository and
remote download (http://)
• Administration via an extensible shell console
• Secure remote access via ssh
• Security framework based on JAAS
8. oSpring Framework
ServiceMix loads an OSGi bundle into its runtime, or generates an
OSGi
bundle on the fly, and then instantiates the Spring application context
o JMS Message Broker
ServiceMix deploys the Apache ActiveMQ broker (OSGi-ready)
o JAX-WS/JAX-RS Web Services support
ServiceMix deploys the Apache CXF runtime (OSGi-ready)
o Enterprise Integration Patterns (EIP) support
ServiceMix deploys the Apache Camel runtime (OSGi-ready)
o Java Business Integration (JBI) support
ServiceMix provides a JBI 1.0 container, to support legacy code
implemented as service units / service assemblies and deployed using
ServiceMix 3.x
oCan be extended to support technologies such as SCA or EJB3
9. oWhen you deploy a ServiceMix solution, you typically
deploy the core (Karaf) plus one or more technology
Components
oExamples:
• To support EIPs : Karaf runtime + Camel feature
• To support JAX-WS/JAX-RS solutions : Karaf runtime + CXF
feature
• To support JMS solutions : Karaf runtime + ActiveMQ
feature
• To support JBI-based solutions : Karaf runtime + JBI feature
10. JBI defines an architecture that allows the construction
of integration systems from plug-in components, that
interoperate through the method of mediated message
exchange.
11. 2 kinds of components
● Service Engine (SE)
Allow implementing business logic or services on the ESB
e.g. servicemix-drools or servicemix-bean
● Binding Components Provide connectivity to external services
(transport, normalization, ...)
e.g. servicemix-ftp or servicemix-http
14. System requirements
Java Developer Kit (JDK) 1.6.x (Java 6), for both deployment and compiling. (Note:
Java 7 is currently not supported)
About 100 MB of free disk space
Downloading Apache ServiceMix
Apache ServiceMix 4.4.2 is available under the Apache License v2 and can be
downloaded from http://servicemix.apache.org/downloads.html.
Depending on your operation system, you should download either the tar.gz or the
zip file: • tar.gz for Linux/Unix/MacOS X • zip for Windows
15. On Linux/Unix/MacOS X
On a command shell, navigate to the directory where you
extracted ServiceMix and the bin/servicemix shell script
Example: if ServiceMix is installed in the
~/Applications/apache-servicemix-4.4.2 directory.
$ cd ~/Applications/apache-servicemix-4.4.2
$ ./bin/servicemix
$ cd ~/Applications/apache-servicemix-4.4.2
$ ./bin/servicemix
16. Working with bundles
When ServiceMix is first started, a whole set of bundles providing the core features
for the product are being installed. Let's use the command console to find out more
about them...
The osgi:list command can be used to get a list of all bundles currently installed.
Enter this
karaf@root> osgi:list
For every bundle, you see:
• the bundle id
• the bundle state
• if the bundle contains a Blueprint or Spring XML file, the next 2 columns will show you
if the
beans defined there were created successfully
• the bundle start level
• the bundle name and version
17. KARAF – It is a command line tool used to install/uninstall parts of a SMX application
and also to troubleshoot problems
19. Working with logging
To look at the message in the log file
karaf@root> log:display
If you're only interested in the latest exception in the log file
karaf@root> log:display-exception
You can also change the log level at runtime by using the log:set command. You can
try these commands on your instance now by first setting the log level to DEBUG
and then using grep to make sure that you can actually see the extra logging.
karaf@root> log:set DEBUG
karaf@root> log:display | grep DEBUG
21. karaf@root>log:set DEBUG to set the logs in DEBUG Mode
karaf@root>log:display
karaf@root>log:set INFO to set the logs in INFO Mode
karaf@root>log:display
22. The list of features is available with the features:list command, we are taking some of few
regular basis command.This command shows the status weather it is installed or not,
and other tab shows version and Name.
and grep to find the things in the list that you're interested in.
karaf@root> features:list
karaf@root> features:list | grep camel
23. Web console:To get the web console installed in ServiceMix, install the feature from
your console
karaf@root> features:install webconsole
karaf@root> features:list | grep webconsole
your browser to http://localhost:8181/system/console and login with user smx and
password smx to access the web console
24. Servicemix-camel : The servicemix-camel component provides support for using
Apache Camel to provide a full set of Enterprise Integration Patterns and flexible routing
and transformation in both Java code or Spring XML to route services on the Normalized
Message Router
Camel –Route and Active MQ Deployment : The way to deploy the Camel route
Blueprint and Active MQ XML files both having same procedure.
1)Create a new file having the Below configration in the Deployment directory.
2)When the file deployed sucessfully it creates two folder in the home directory (as per
specified in Blueprint.XML file)
3)One is HOME/ input and Home/output dir
4)Now copy a file in the input Dir
5)It automatically copied to output Dir
For ActiveMQ it create a new dir under HOME is ActiveMQ and under this we have two
sub directory Input and Output
Let see in our new slide…
25.
26. Camel Route:1) Define the route in a Blueprint XML file in deployment folder having
the below configrations.
2) Just create a new XML file in the deploy folder with the code below to start a route to
copy files from one directory to another.
27. Check in Logs by log:display we got the below massage for
the file sucessfully moved
29. Apache ServiceMix instance comes with an embedded ActiveMQ JMS broker. This
makes it easy to communicate between Camel routes using persistent messages on the
same machine, but it will also enable you to distribute your routes over multiple
instances afterwards for clustering or load-balancing.
30. Save this file in ServiceMix' deploy folder and use osgi:list to check on the bundle status
You should now be able to put files in the activemq/input directory and see them being
moved to activemq/output.
Receiving the event messages: After deploying the first XML file, you're obviously not
seeing any events being logged yet. The event messages are sent to an ActiveMQ queue,
but there's nobody to receive the events yet. Let's change that now by creating a second
Blueprint XML file.
31. Checking Logs file: As soon as this second file has been deployed, you'll start seeing the
event messages in your log:display output