Archive for the Category: Unix

IBM Think 2020

March 5, 2020 Roger Lacroix

I just received the following email from David La Rose of IBM saying that IBM Think 2020 has been cancelled and turn into a virtual event. Here is what email said: The health of IBM’s clients, employees and business partners is our primary concern. In light of global precautions for the COVID-19 Coronavirus, and building […]

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Java’s Missing Byte Array Class

February 19, 2020 Roger Lacroix

After 25 years, it is still surprising that Java doesn’t have a proper byte array class. There can be many reasons that the data a Java program needs to work with is in a byte array. It could be the contents of a file or MQTT message or IBM MQ message, etc. Since there is […]

Also posted in HPE NonStop, IBM i (OS/400), Java, JMS, Linux, macOS (Mac OS X), Open Source, Programming, Raspberry Pi, Windows, z/OS 3 Comments

Updated Request & Reply JMS/MQRFH2 Messaging Scenario

February 3, 2020 Roger Lacroix

The person on StackOverflow made a comment that I was using a static string as my reply message. Humm. Some times people cannot see the forest for the trees. So, I have updated my sample Java/MQ (i.e. MQTest77.java) in this posting to do the following: Connect to a remote queue manager Open an input queue, […]

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Inhibit/Allow the Get & Put Actions of a Queue

January 31, 2020 Roger Lacroix

On StackOverflow, someone asked a question about inhibiting get actions against a queue. Here is a simple Java/MQ program that will set inhibit or allow for the GET and PUT attributes of a queue. You can download the source code from here. Regards, Roger Lacroix Capitalware Inc.

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Request & Reply JMS/MQRFH2 Messaging Scenario

January 31, 2020 Roger Lacroix

Sometimes people over think a problem and write a complicated solution when really the solution is no different than any other Request/Reply scenario (use case). On StackOverflow, someone asked a question about sending a reply JMS/MQRFH2 message using the RFH2 header and folder values from the original request message. The code will copy the RFH2 […]

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Capitalware Product Advisory

January 29, 2020 Roger Lacroix

A bug was discovered in Capitalware’s framework subroutine for removing trailing blanks (spaces) from a variable. If the contents of the variable contained only blanks then the code miscalculated the length by 1. This bug affects all commercial and “Licensed as Free” products. Commercial Products for distributed platforms affected: MQ Auditor MQ Authenticate User Security […]

Also posted in Capitalware, IBM i (OS/400), Linux, MQ Auditor, MQ Authenticate User Security Exit, MQ Channel Connection Inspector, MQ Channel Encryption, MQ Channel Throttler, MQ Enterprise Security Suite, MQ Message Encryption, MQ Message Replication, MQ Standard Security Exit, Windows, z/OS Comments Off on Capitalware Product Advisory

IBM MQ Fix Pack 8.0.0.14 Released

January 23, 2020 Roger Lacroix

IBM has just released Fix Pack 8.0.0.14 for IBM MQ https://www.ibm.com/support/pages/node/1282120 Regards, Roger Lacroix Capitalware Inc.

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SQLite v3.31.0 Released

January 23, 2020 Roger Lacroix

D. Richard Hipp has just released SQLite v3.31.0. 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.

Also posted in C, Database, IBM i (OS/400), Linux, macOS (Mac OS X), Open Source, Programming, Windows, z/OS Comments Off on SQLite v3.31.0 Released

JMS/MQRFH2 Message Properties in “other” Folder

January 17, 2020 Roger Lacroix

On StackOverflow, someone asked about having an “other” folder (not “usr”) with an MQRFH2 (aka JMS) message. That day, I played around with a MQ/Java program that created various folders in an MQRFH2 message. i.e. When I ran a MQ/JMS program to retrieve the messages, the MQ/JMS programs simply ignore all folders outside of ‘mcd’, […]

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MQ Internals Explained (a little bit)

December 10, 2019 Roger Lacroix

IBM likes to market IBM MQ (aka WebSphere MQ, MQSeries) as a simple and complete solution for business’s messaging needs. Going with the KISS approach is wise (very wise in some cases). IBM talks about the 2 different messaging models that IBM MQ supports: Point-to-Point (P2P) and Publish/Subscribe (Pub/Sub). IBM will: show you how to […]

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