Using WebSphere MQ with WebSphere Application Server and the Liberty Profile

© 2014 IBM Corporation
AMC 1884
Tim Quigly – Software Engineer
tquigly@uk.ibm.com
Using WebSphere MQ with WebSphere
Application Server and the Liberty Profile

Please Note
IBM’s statements regarding its plans, directions, and intent are subject to change
or withdrawal without notice at IBM’s sole discretion.
Information regarding potential future products is intended to outline our general
product direction and it should not be relied on in making a purchasing decision.
The information mentioned regarding potential future products is not a
commitment, promise, or legal obligation to deliver any material, code or
functionality. Information about potential future products may not be incorporated
into any contract. The development, release, and timing of any future features or
functionality described for our products remains at our sole discretion.
Performance is based on measurements and projections using standard IBM
benchmarks in a controlled environment. The actual throughput or performance
that any user will experience will vary depending upon many factors, including
considerations such as the amount of multiprogramming in the user’s job stream,
the I/O configuration, the storage configuration, and the workload processed.
Therefore, no assurance can be given that an individual user will achieve results
similar to those stated here.

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IBM® WebSphere® Application Server
Using WebSphere MQ with WebSphere Application Server and the Liberty Profile
Enterprise standard Java™ Application Server
Highly scalable: single server up to massive network deployment
Web gui and command line interface (wsadmin)

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Liberty
Lightweight, Developer focussed
Eclipse based: server.xml and WAS Developer Tools
wasdev.net
Bundled in WebSphere Application Server version 8.5.5

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Version 6 Messaging Architecture

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The solution now
Picture courtesy: public domain
Source: http://www.livescience.com/20404-gallery-sun-gods-goddesses.html
RA

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Introducing the IBM® WebSphere® MQ JMS Resource
Adapter
wmq.jmsra.rar

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Why have a Resource Adapter?
Java Enterprise Edition
(Java EE)
Java Connector Architecture
(JCA)

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Harnessing the Resource Adapter: WAS
Deployed inside WebSphere Application Server
WAS is shipped with a validated RA
RA can be a different version to the Queue Manager

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Harnessing the Resource Adapter: Liberty
Supported from Liberty version 8.5.5
Download from IBM Fix Central – search 'Resource Adapter'
<server description="new server">

<featureManager>
<feature>jsp-2.2</feature>
<feature>localConnector-1.0</feature>
<feature>ejbLite-3.1</feature>
<feature>jmsMdb-3.1</feature>
<feature>jndi-1.0</feature>
<feature>wmqJmsClient-1.1</feature>
</featureManager>
<variable name="wmqJmsClient.rar.location" value="C:MY_RA_FOLDERwmq.jmsra.rar"/>
</server>

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Managing the Resource Adapter
Client mode – no configuration necessary
Bindings mode:
WAS: set 'native library path' on Resource Adapter
Liberty: <wmqJmsClient nativeLibraryPath="/opt/mqm/java/lib64"/>
Updates to RA:
WAS: WAS Fix Packs and iFixes
Liberty: updated download from Fix Central

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Version 7 onwards Messaging Architecture

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Practical benefits: standardised, well-versioned
connections
Photo courtesy: public domain
Source: http://pixabay.com/en/industrial-mess-electric-power-69750/
Photo courtesy: public domain
Source: http://pixabay.com/en/communication-connection-113613/

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Bindings mode architecture

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Practical benefits
Simplified maintenance
Ease of migration
Easier consumption of Multi-Version WMQ

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Multi-instance queue manager

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High availability with Multi-Instance Queue Managers
WebSphere MQ Automatic Client Reconnect is NOT supported with
Java EE Application Servers
Configure WAS to automatically reconnect instead

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with Activation Specifications
Connection Factory
Connection Name List – host(port) for Active instance, host(port) for standby instance
CCDT (Client Channel Definition Table)
Resource Adapter
Reconnection Retry Count – default is 5
Reconnection Retry Interval – default is 5 minutes
Activation Specification
Stop endpoint if message delivery fails
Number of sequential delivery failures before suspending endpoint

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with Listener Ports
Connection Factory
CCDT (Client Channel Definition Table)
Message Listener Service
Maximum Retries (on listener port) – default is 0
Custom property: MAX.RECOVERY.RETRIES – default is 5
Custom property: RECOVERY.RETRY.INTERVAL – default is 60 seconds

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Product Connectivity Scenarios Information Centre
Hands on, scenario based education for MQ:WAS and MQ:Liberty
inter-operation

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IBM Product Information
 See the new IBM Knowledge Center – No more infocenters from 2014!

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Summary
WebSphere MQ JMS RA provides MQ messaging to WAS
Easier maintenance and upgrading
MuIti Instance Queue Managers – configure your Application
Server

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Links:
http://pic.dhe.ibm.com/infocenter/prodconn/v1r0m0/index.jsp
IBM Knowledge Centre:
http://www-01.ibm.com/support/knowledgecenter/
7.1 and 7.5 RA statement of support
http://www-01.ibm.com/support/docview.wss?uid=swg27023129
Using WebSphere MQ automatic client reconnect with the WebSphere MQ classes
for JMS:
Obtaining the WebSphere MQ Resource Adapter for the Liberty profile:
Introduction to WebSphere MQ Multi-Instance Queue Managers:
http://www-01.ibm.com/support/docview.wss?uid=swg27017382&aid=1

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Links:
http://pic.dhe.ibm.com/infocenter/prodconn/v1r0m0/index.jsp
Resource Adapter configuration properties:
http://pic.dhe.ibm.com/infocenter/wasinfo/v8r5/index.jsp?topic=/com.ibm.websphere.ihs.
Activation Specification Properties:
http://pic.dhe.ibm.com/infocenter/wasinfo/v8r5/index.jsp?topic=%2Fcom.ibm.websphere.
Listener Port Properties:
http://pic.dhe.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=%2Fcom.ibm.websphere.
http://pic.dhe.ibm.com/infocenter/wasinfo/v8r5/index.jsp?topic=
%2Fcom.ibm.websphere.nd.multiplatform.doc%2Fae%2Fumb_prolscp.html

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