Archive for the Category: Unix

C Code to Lookup MQ Reason Code

November 16, 2020 Roger Lacroix

Starting with the release of IBM MQ v8.0, IBM included a new header file called: cmqstrc.h. The file description says: This file provides mappings between MQI constant values and string versions of their definitions. In the cmqstrc.h file, from IBM MQ v9.2, there are 342 subroutines for looking up the various integer values and returning […]

Also posted in C, Capitalware, HPE NonStop, IBM i (OS/400), IBM MQ, Linux, macOS (Mac OS X), Open Source, Programming, Raspberry Pi, Windows, z/OS Comments Off on C Code to Lookup MQ Reason Code

New: MQ Message Compression v1.0.0

November 10, 2020 Roger Lacroix

Capitalware Inc. would like to announce the official release of MQ Message Compression v1.0.0. MQ Message Compression (MQMC) is a solution that provides compression for MQ message data while it resides in a queue or topic and in the MQ logs (i.e. all data at rest). Data compression is the process of modifying and/or converting […]

Also posted in Capitalware, Compression, IBM i (OS/400), IBM MQ, Linux, MQ Message Compression, Windows Comments Off on New: MQ Message Compression v1.0.0

IBM MQ Troubleshooting Common TLS SSL Errors

November 5, 2020 Roger Lacroix

IBM has just published a helpful support document called: IBM MQ Troubleshooting Common TLS SSL Errors. https://www.ibm.com/support/pages/node/6359069 If you are having MQ SSL/TLS issues then have a read of this document and follow the instructions. Regards, Roger Lacroix Capitalware Inc.

Also posted in HPE NonStop, IBM i (OS/400), IBM MQ, IBM MQ Appliance, Linux, macOS (Mac OS X), Security, Windows, z/OS Comments Off on IBM MQ Troubleshooting Common TLS SSL Errors

Withdrawn/Discontinued: IBM IoT MessageSight and IBM Watson IoT Platform – Message Gateway

November 4, 2020 Roger Lacroix

I just came across the following announcement that says IBM has completely pulled the plug on IBM IoT MessageSight and IBM Watson IoT Platform – Message Gateway. https://www.ibm.com/support/pages/node/6340723 So basically, that leaves IBM MQ as IBM’s primary messaging platform for MQTT? It is rather odd since IBM has refused to fully support MQTT in IBM […]

Also posted in IBM MQ, IBM MQ Appliance, Linux, MQTT, Windows Comments Off on Withdrawn/Discontinued: IBM IoT MessageSight and IBM Watson IoT Platform – Message Gateway

Microsoft Java Developer Conference – Seriously!!

October 7, 2020 Roger Lacroix

Microsoft Java Developer Conference, those are words that I never thought I would say or hear!!! Microsoft is hosting a 3-day virtual conference for Java developers on October 27, 28 & 29, 2020. You can find out more information and sign up at the following web page: aka.ms/jdconf Regards, Roger Lacroix Capitalware Inc.

Also posted in Education, Java, Linux, macOS (Mac OS X), Windows Comments Off on Microsoft Java Developer Conference – Seriously!!

Java Method to Output a Byte Array in HEX Dump Format

October 6, 2020 Roger Lacroix

On StackOverflow, I posted code to output a byte array in a HEX dump format. I thought I should post the code here as a complete working sample. You can download the source code from here. You can copy the 2 methods (dumpBuffer & formatHex) to your general purpose toolkit and use them in any […]

Also posted in HPE NonStop, IBM i (OS/400), Java, JMS, Linux, macOS (Mac OS X), Open Source, Programming, Raspberry Pi, Windows 2 Comments

IBM MQ Fix Pack 9.2.0.1 Released

October 1, 2020 Roger Lacroix

IBM has just released Fix Pack 9.2.0.1 for IBM MQ V9.2 LTS: https://www.ibm.com/support/pages/downloading-ibm-mq-version-9201 Regards, Roger Lacroix Capitalware Inc.

Also posted in Fix Packs for MQ, IBM i (OS/400), IBM MQ, IBM MQ Appliance, Linux, Windows Comments Off on IBM MQ Fix Pack 9.2.0.1 Released

Dropping LZ1 support from MQ Message Compression

September 21, 2020 Roger Lacroix

I have been doing a lot of a testing of various messages types (i.e. Fixed-width, CSV, XML, JSON, PDF, PNG, JPG, etc.). I’ll post the results in the next blog posting. I have decided to drop support for LZ1 compression algorithm from MQ Message Compression (MQMC) for the following reasons: LZ1 has the slowest compression […]

Also posted in Capitalware, Compression, IBM i (OS/400), IBM MQ, Linux, MQ Message Compression, Windows Comments Off on Dropping LZ1 support from MQ Message Compression

Beta testers needed for MQ Message Compression

September 4, 2020 Roger Lacroix

Capitalware is ready for beta testers for a new solution called: MQ Message Compression (MQMC). MQMC is an MQ API Exit. Question: Would you trade a little CPU time to drastically reduce the disk I/O time? I have written a long blog posting on the internals of queue manager logging (with help from Chris Frank) […]

Also posted in Capitalware, Compression, IBM i (OS/400), IBM MQ, Linux, MQ Message Compression, Windows Comments Off on Beta testers needed for MQ Message Compression

Compression, What’s It Good For?

September 4, 2020 Roger Lacroix

Well, to answer my own question, you want Netflix, Hulu, etc. to use compression when you stream movies or TV shows. Or compress files to free up disk space. There are a variety of reasons to use compression. I’ve been doing a lot of testing using large files and it got me thinking about the […]

Also posted in Capitalware, Compression, IBM i (OS/400), IBM MQ, Linux, MQ Message Compression, MQ Technical Conference, Windows Comments Off on Compression, What’s It Good For?