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- IBM MQ 9.3 End of Service Date
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- MQ Visual Edit V3.3.0 Released
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- 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
- PH71627: LOOP OCCURS WHEN PUTTING TO IMS BRIDGE QUEUE VIA SVRCONN WITH DATA CONVERSION July 13, 2026
- IBM MQ Replicated Data Queue Manager Kernel Modules July 13, 2026
- 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
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- How does a C program wait for a short random time? July 13, 2026
- Why can’t I change my Linux terminal environment from a script July 12, 2026
- 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
StackOverflow MQ Questions- IBM Cloud Pak for Integration - Trial 60 Days | IBM Entitlement Key [closed] July 12, 2026
- 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
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: z/OS
WebSphere MQ Advanced v7.5 and WebSphere MQ Advanced for z/OS v7.1
IBM is now offering 2 new “combo products” called WebSphere MQ Advanced v7.5 and WebSphere MQ Advanced for z/OS v7.1. For a single price, WebSphere MQ Advanced v7.5 includes: WebSphere MQ WebSphere MQ Managed File Transfer Service WebSphere MQ Advanced Message Security WebSphere MQ Telemetry Here is the WebSphere MQ Advanced v7.5 announcement: http://www.ibm.com/support/docview.wss?uid=swg21613585 For […]
Also posted in IBM i (OS/400), IBM MQ, Linux, Unix, Windows Comments Off on WebSphere MQ Advanced v7.5 and WebSphere MQ Advanced for z/OS v7.1
How to Clear a MQ Queue from a Script or Program
Have you ever wanted to clear a MQ queue? A quick and easy way to do it is to use runmqsc’s CLEAR QLOCAL command. This method works very well as long as no application has the local queue opened for input. Method #1: If you need to clear a queue on Linux, Unix, Windows or […]
Also posted in IBM i (OS/400), IBM MQ, Java, Linux, macOS (Mac OS X), Open Source, Programming, Unix, Windows 6 Comments
WMQ v7 for z/OS and IMS/CICS
IBM has the following technical bulletin: http://www.ibm.com/support/docview.wss?uid=swg21472819 Problem(Abstract) An IMS Bridge (OTMA) or CICS Bridge application that worked with WebSphere MQ for z/OS V6.0.0 now fails with V7.0.0 or V7.0.1. Symptom Symptoms may include MQRC 2148 MQRC_IIH_ERROR MQRC 2142 MQRC_HEADER_ERROR MQRC 2112 MQRC_SOURCE_INTEGER_ENC_ERROR DFHMQ0745 E CKBP nnnnn Unable to put message to reply queue. MQRC=2112. […]
Also posted in IBM MQ Comments Off on WMQ v7 for z/OS and IMS/CICS
WMQ v7.0.1.8 Java/JMS Application Leaks Connections
IBM has the following APAR IC79103 for the fix: http://www.ibm.com/support/docview.wss?uid=swg1IV18624 Error Description: Applications using the WebSphere MQ classes for Java Version 7.0.1.8 repeatedly reconnect and finally consume all the available connections of the queue manager. Traces show repeated occurrences of completion code “2” and reason code “2009”, and internal exceptions are traced out containing the […]
Also posted in IBM i (OS/400), IBM MQ, Java, JMS, Linux, Programming, Unix, Windows Comments Off on WMQ v7.0.1.8 Java/JMS Application Leaks Connections
Free IBM e-book: DB2 10 for z/OS
IBM is giving away free copies of the e-book: DB2 10 for z/OS: The Smarter, Faster Way to Upgrade https://www14.software.ibm.com/webapp/iwm/web/signup.do?source=swg-DB210nurtt1 Written by IBM DB2 experts and published by MC Press, this e-book lays out best practices for planning and executing your upgrade to IBM DB2 10 for z/OS® (from DB2 8 or DB2 9), and […]
RFE for WMQ manuals in PDF format
I have created an RFE called “Create PDFs for WebSphere MQ”. The RFE ID # is 21041. Please vote for it, so that IBM will create/generate WebSphere MQ in PDF format. http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=21041 To vote, locate the “RFE Actions” section on the right hand side of the screen and click the vote link. You can only […]
Also posted in IBM i (OS/400), IBM MQ, Linux, Unix, Windows 2 Comments
WebSphere MQ Administration Seminar
I receive emails from people all the time asking me where they can get training on WebSphere MQ. I generally tell them to take one of the IBM WebSphere MQ courses. Today, I received the following email from WebSphere Insights: We’re proud to announce the launch of our new 3-day seminar: WebSphere MQ Administration, coming […]
Also posted in IBM i (OS/400), IBM MQ, Linux, Unix, Windows Comments Off on WebSphere MQ Administration Seminar
WebSphere MQ Redbooks
IBM has several Redbooks that provide in-depth details for WebSphere MQ. Here are 5 MQ related Redbooks that I have found: WebSphere MQ V7.0 Features and Enhancements WebSphere MQ V6 Fundamentals WebSphere MQ V6, WebSphere Message Broker V6 and SSL WebSphere Application Server V6.1: JMS Problem Determination WebSphere MQ Solutions in a Microsoft .NET Environment […]
WebSphere MQ v7.1 and Java v1.4.2
Here’s another head-banging item that some people may get burnt by. I was doing some testing of Java applications with WebSphere MQ v7.1 and received the following error message: If you do not know what “Unsupported major.minor version 49.0” means, in plain English, it means that the MQ Java JAR file you are using was […]
Also posted in IBM i (OS/400), IBM MQ, Java, JMS, Linux, Unix, Windows 2 Comments