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
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or withdrawal without notice at IBM’s sole discretion.
Information regarding potential future products is intended to outline our general
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Performance is based on measurements and projections using standard IBM
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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
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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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