Archive for the Category: IBM i (OS/400)

Customer Requested Update to MQ Message Encryption

November 21, 2019 Roger Lacroix

MQ Message Encryption (MQME) is a solution that provides encryption for MQ message data while it resides in a queue or topic and in the MQ logs (i.e. data at rest). By default, when an application puts a message to a protected queue, MQME will encrypted the entire message data. If the application is putting […]

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AMQ7234 Question from the MQ ListServer

November 20, 2019 Roger Lacroix

Doug posted a question on MQ List Server regarding the MQ error message AMQ7234. His question was: My shop has always struggled with large number of messages just being left on the queue. Sometimes to be processed later, sometimes because the application does not know what to do with them, but they cannot be removed. […]

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MQ Message Encryption Critical Bug Fixed

November 15, 2019 Roger Lacroix

Recently, a customer reported a bug in MQ Message Encryption (MQME) for certain types of JMS messages (aka MQRFH2) where the MCA (amqrmppa) process would crash. After some investigation, a buffer overrun condition was discovered that would cause the MCA (amqrmppa) process to crash. The bug has been fixed. Please contact support@capitalware.com for the latest […]

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IBM MQ Fix Pack 9.0.0.8 Released

October 28, 2019 Roger Lacroix

IBM has just released Fix Pack 9.0.0.8 for IBM MQ V9.0 LTS https://www.ibm.com/support/pages/node/1089052?myns=swgws&mynp=OCSSYHRD Regards, Roger Lacroix Capitalware Inc.

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SQLite v3.30.0 Released

October 7, 2019 Roger Lacroix

D. Richard Hipp has just released SQLite v3.30.0. http://www.sqlite.org/news.html SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. SQLite is the most widely deployed SQL database engine in the world. The source code for SQLite is in the public domain. Regards, Roger Lacroix Capitalware Inc.

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2 New IBM MQ RFEs related to com.ibm.mq.jmqi.defaultMaxMsgSize

September 20, 2019 Roger Lacroix

Please review and vote for these RFEs if you think they are a good idea. The links below will take you directly to the RFE. RFE #1: Document com.ibm.mq.jmqi.defaultMaxMsgSize JVM environment variable URL to review the RFE and Vote for it if you like: http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=136680 RFE #2: Add & Document com.ibm.mq.jmqi.defaultMaxMsgSize for .NET Framework URL […]

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IBM MQ Fix Pack 8.0.0.13 Released

September 19, 2019 Roger Lacroix

IBM has just released Fix Pack 8.0.0.13 for IBM MQ https://www.ibm.com/support/pages/fix-pack-80013-websphere-mq-v8 Regards, Roger Lacroix Capitalware Inc.

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JMS and Java Client Mode Performance Issues for MQ Get API Calls

August 15, 2019 Roger Lacroix

I’ve wasted far, far too much of my time inspecting what is going on with the auto-resizing of the get buffer for the internal JMQI and MQI components for MQ classes for JMS, MQ classes for Java and MQ classes for .NET. A strange entry in one of the MQ Auditor audit files got my […]

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Pub/Sub Java/JMS MQ MQGet API Issue

August 9, 2019 Roger Lacroix

Not surprisingly, when I tested: Subscribing to a topic with JMS Subscribing to a topic with Java (non-JMS) They both showed that the internal JMQI routine was starting with a MQGet buffer size of 4KB and auto-adjusting the size of the buffer as needed (all behind the scenes). Hence, when I used MQ Auditor, I […]

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How to Improve Your Java/JMS MQ Tuning Cred.

August 8, 2019 Roger Lacroix

Here’s my version of a cheap Info-Commercial: Do you want to impress your colleagues? Do you want to impress your boss, so that you can receive a big fat bonus? Call today and we’ll show you how to impress the MQAdmins in your company! And if you call within the next 5 minutes, we’ll even […]

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