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Recent Posts
- IBM MQ 9.3 End of Service Date
- IBM has announced IBM MQ 10.0
- IBM MQ 9.4.5 Announced
- IBM Champion Renewal Declined
- Capitalware Products & Older Versions of the Products
- Merry Christmas and Happy New Year
- MQ Visual Edit V3.3.0 Released
- MQ Visual Browse V3.3.0 Released
- MQ Batch Toolkit v3.2.3 Released
- MQTT Message Editing Suite V1.2.0 Released
- New: Universal File Mover v2.0.1
- Java/MQ GUI Program to Monitor a Queue
Blog Calendar
July 2026 M T W T F S S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Archives
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IBM MQ- Terms of Use
- IBM MQ Replicated Data Queue Manager Kernel Modules July 10, 2026
- IBM MQ Replicated Data Queue Manager Kernel Modules July 9, 2026
- IBM MQ Replicated Data Queue Manager Kernel Modules July 7, 2026
- Downloading IBM MQ 9.4 LTS July 7, 2026
- IBM MQ Replicated Data Queue Manager Kernel Modules July 4, 2026
- PH69299: A Z/OS QUEUE MANAGER USING THE X25519 CURVE CANNOT CONNECT TO A V9.4.4 LEVEL DISTRIBUTED QUEUE MANAGER RUNNING WITH FIPS MODE EN July 3, 2026
- IT49573: QUEUE MANAGER OBJECT ATTRIBUTES SHOW INCORRECT VALUES AFTER QUEUE MANAGER RESTART July 1, 2026
- IT49368: UPDATE ZLIB TO 1.3.2. July 1, 2026
- IT49367: UPDATE OPENSSL TO 3.0.20. July 1, 2026
WebSphere MQ- Terms of Use
- Cumulative security update (CSU) 9.1.0.37 for IBM MQ on Linux 64-bit,zSeries June 24, 2026
- Cumulative security update (CSU) 9.1.0.37 for IBM MQ on Linux 64-bit,x86_64 June 24, 2026
- Cumulative security update (CSU) 9.1.0.37 for IBM MQ on Linux PPC64LE June 24, 2026
- Cumulative security update (CSU) 9.1.0.37 for IBM MQ on Solaris 64-bit,SPARC June 24, 2026
IBM Developer Messaging Blog
T.Rob’s Store and Forward- MQ Safety Tips for the Pandemic April 5, 2020
- Command Server Gotcha May 14, 2018
- Client-based runmqsc gotcha May 3, 2018
- When deprecated != deprecated January 19, 2018
- Parsing MQ error logs in Splunk December 19, 2017
Mark Taylor’s Blog- Formatting MQ SMF records: MQ 10 update July 1, 2026
- New NPM installation policies June 25, 2026
- MQ 10: Application Interfaces June 17, 2026
- EoL: MQ with Spring Boot 3 June 11, 2026
- OTel Context Propagation: part 6 – MQ Kafka Connectors May 11, 2026
Lyns Random Thoughts
Leif Davidsen’s Blog- Pragmatic vs Purist Architecture: Choosing to optimize for elegant integration topology or focusing on licensing-based deployments (and how to balance both) July 2, 2026
- What’s New in IBM Cloud Pak for Integration 16.2.0? A Long-Term Support Release enhanced with agentic AI assistance, new capabilities in Unified Management and support for federated API gateways. May 6, 2026
- Designing for Resilience and Cost: Making smart licensing choices that keep your CP4I deployments both reliable and affordable April 17, 2026
- Container licensing deep dive: Making the most of your IBM Cloud Pak for Integration entitlements April 2, 2026
- Doing More for Less: How Cloud Pak for Integration Licensing gives you Integration Superpowers March 17, 2026
Colin Paice on MQ- Configuring opentelemetry, Jaeger, Prometheus, Grafana – problem determination July 10, 2026
- Configuring opentelemetry, Jaeger, Prometheus, Grafana – 103 http endpoints July 10, 2026
- Configuring opentelemetry, Jaeger, Prometheus, Grafana – 102 processing data July 10, 2026
- Configuring opentelemetry, Jaeger, Prometheus, Grafana – 101 July 10, 2026
- How do I mange my gnome terminals in Ubuntu? July 7, 2026
- OTEL data, z/OS data gatherer, Jaeger and TLS July 1, 2026
- Useful docker commands June 30, 2026
- One minute – docker June 30, 2026
- Why have my JCL symbols stopped working? June 30, 2026
- Installing Data Gatherer on z/OS June 28, 2026
StackOverflow MQ Questions- What is the recommended way to implement connection pooling with IBM MQ Base Classes when transactions sharing connections across threads? June 11, 2026
- AIX 7.1 to 7.2 migration experience with WebSphere Application Server 7.0.0.23 running on Java 6 June 6, 2026
- Does every MQQueueManager create a new TCP/IP connection? Best practices for connection reuse/pooling in IBM MQ Java client May 4, 2026
- IBM MQ: CONNS and CURSHCNV show same value despite multiple JMS sessions [closed] April 30, 2026
- MQCONNX ended with reason code 2393 when connecting mTLS enabled queue April 9, 2026
- how to rectify javax.jms.JMSException: Failed to create connection? January 16, 2026
- IBM MQ 2059 (MQRC_Q_MGR_NOT_AVAILABLE) error in .NET 9.0 console app using IBMMQClient with certificate-based SSL setup January 14, 2026
- Azure linux function app to IBM MQ using IBMMQDotnetClient 9.4.2 December 6, 2025
- App need to perform enable/disable queue programmatically December 4, 2025
- Date & time not being shown in japanese October 28, 2025
StackOverflow MQTT Questions- How is a highly available SparkPlug Host Application supposed to manage its STATE messages? June 29, 2026
- Mosquitto C - Sending a struct as a payload June 15, 2026
- MQTT connection silently drops on NTP clock jump in embedded Linux (no error, no reconnect) April 9, 2026
- How to create "restricted wildcard subscriptions" March 26, 2026
- (Ab)using ASP.NET Core for non-http message processing? February 12, 2026
- Am I misusing Azure Event Grid’s MQTT multi‑session support by connecting 100 MQTT clients to a single defined MQTT client in Event Grid? February 4, 2026
- android compose mqtt implementation January 26, 2026
- Don't get publish() to work in paho.mqtt.client.on_connect thread January 18, 2026
- Best way to host multiple EMQX instances per server January 15, 2026
- How can I connect to AWS IoT Core MQTT over WebSocket from browser January 9, 2026
Archive for the Category: .NET
NSA Suggests Companies Shift To Memory Safe Programming Languages
NSA is advising companies to look into switching to memory safe languages such as C#, Go, Java, Ruby, or Swift. From the report: https://www.nsa.gov/Press-Room/News-Highlights/Article/Article/3215760/nsa-releases-guidance-on-how-to-protect-against-software-memory-safety-issues/ Here is a direct link to the NSA report: https://media.defense.gov/2022/Nov/10/2003112742/-1/-1/0/CSI_SOFTWARE_MEMORY_SAFETY.PDF Regards, Roger Lacroix Capitalware Inc.
IBM MQ For .NET Core Primer
I’m starting to see questions (even being asked) about IBM MQ for .NET Core and the challenges that people are having. I’m not a .NET developer, more of a “I’ll do it to get it done” .NET developer. Hence, I’ll explain it from an IBM MQ perspective. The first thing you should know is that […]
Also posted in C#, IBM MQ, IBM MQ Appliance, Linux, macOS (Mac OS X), Windows Comments Off on IBM MQ For .NET Core Primer
C# .NET MQ Code to Publish to a Topic
A couple of years ago, I posted a blog item called: C# .NET MQ Code to Subscribe to a Topic about subscribing to a topic using C# .NET code. I just realized that I never posted a C# .NET sample code to publish to a topic. So, here go – enjoy. You can download the […]
Also posted in C#, IBM MQ, Open Source, Programming, Windows Comments Off on C# .NET MQ Code to Publish to a Topic
C# .Net Program That Adds Message Properties to an MQ Message
The other day, a colleague emailed me asking if I had a sample C# .Net/MQ program that adds message properties to a message. So. I thought I would post it for everyone to use. You can download the source code from here. Regards, Roger Lacroix Capitalware Inc.
Also posted in C#, IBM MQ, Open Source, Programming, Windows Comments Off on C# .Net Program That Adds Message Properties to an MQ Message
Redbooks on IBM MQ
I have created a new section on Capitalware’s IBM MQ Documentation Library page called Redbooks on IBM MQ. I searched the internet and IBM’s Redbook site and found 20 redbooks on the subject of IBM MQ (formally WebSphere MQ, MQSeries). I have listed them in chronologically order. Note: Some of them may be old but […]
Also posted in C, C#, C++, Capitalware, E-Book, Education, IBM i (OS/400), IBM MQ, IBM MQ Appliance, Java, JMS, Linux, Programming, Security, Unix, Windows, z/OS Comments Off on Redbooks on IBM MQ
IBM MQ information from IBM Developer
Here is some IBM MQ information from IBM Developer that you might find interesting: Article: Improving your IBM MQ applications Article: IBM MQ cheat sheet for developers Article: IBM MQ Downloads for developers Tutorial: Writing and running MQ applications on your Mac Tutorial: Secure communication between IBM MQ endpoints with TLS Regards, Roger Lacroix Capitalware […]
Also posted in C, C#, C++, IBM i (OS/400), IBM MQ, Java, JMS, Linux, macOS (Mac OS X), Programming, Security, Unix, Windows Comments Off on IBM MQ information from IBM Developer
Working from Home – Open Source Software
The other day I wrote about working from home, since I recently upgraded both my desktop and laptop to Windows 10 64-bit, I thought I should review/list the open source software I use to get the job done. You don’t need to go broke setting up your PC/laptop with software. Here is a list of […]
Also posted in C, C#, C++, Capitalware, Java, JMS, Open Source, Programming, Rexx, Windows Comments Off on Working from Home – Open Source Software
IBM Think 2020
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 […]
IBM MQ and C# .NET Compatibility
Today, I went to build (compile) and run a C# .NET/MQ sample that I have which worked perfectly before and I got the following error when I ran it: I compiled it again. No errors and it successfully generated the executable. Weird. When I ran it, I got the above error message. I searched the […]
Also posted in C#, Programming, Windows Comments Off on IBM MQ and C# .NET Compatibility
MQ Internals Explained (a little bit)
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 […]
Also posted in Assembler, C, C#, C++, HPE NonStop, IBM i (OS/400), IBM MQ, Java, JMS, Linux, macOS (Mac OS X), MQ Auditor, MQ Message Encryption, Programming, Unix, Windows, z/OS 2 Comments