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October 3, 2012 | Volume 11 Issue 18

ISSUE HIGHLIGHTS

TOP STORY: Practical RPG: RPG and IBM WebSphere MQ
FEATURED ARTICLE: Simon's Solutions: Monitor for End Job Operations, Part I
NEWS HIGHLIGHT: Steve Will, Michael Cain Teach "i Advocate" Skills at the Summit
WHITE PAPER: IBM i Scheduling Survival Guide
EVENT:  RPG & DB2 Summit Fall 2012 
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Feature Article - Programming
 
Practical RPG: RPG and IBM WebSphere MQ

WebSphere MQ is IBM's flagship product for providing reliable inter-platform messaging, and accessing MQ from RPG is easy once you understand the techniques.

joe plutaWritten by Joe Pluta

I have a hard time with the rebranding of IBM's MQSeries to WebSphere MQ; it's always seemed to me to be one of the more random renamings. MQSeries had great brand recognition as it was. But regardless of the name, MQ has always provided a powerful queuing architecture, and I guess a rose by any name holds true here. The purpose of this article is not to bemoan the naming but to introduce the architecture to RPG programmers.


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On-demand Webinar: What’s New in Profound UI 4.5

Profound UI 4.5 is here, and this on-demand Webinar with IBM Champion Scott Klement gives you a front-row seat to see it in action!

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Feature Article - Programming
 
Simon's Solutions: Monitor for End Job Operations, Part I

Learn critical cleanup techniques that target end-of-job due to end job commands.

junlei liWritten by Junlei Li

Author's note: This article is one of a series of articles to memorialize Simon Coulter, an outstanding IBM i expert who contributed much to the prosperity of the IBM i platform. I thank Gwen Hanna, Simon's partner, for providing the biography of Simon at the end of the first article of "Simon's Solutions."

 

As one the most robust operating systems and application systems in the world, IBM i provides numerous mechanisms to automatically reclaim resources occupied by resource containers, such as activation groups (ACTGRPs) or jobs that end unexpectedly. However, it's still possible for resources to be left as orphans by a job that ends unexpectedly—for example, a pointer-based mutex created by the job with the keep-valid option set to true, or a permanent MI object created without inserting its addressability into a context object (library). It's also bad that an unexpected end-of-job might damage the integrity of application data.


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