Archive for the Category: Programming

What is the default behaviour of method writeString of MQMessage for Java?

March 9, 2018 Roger Lacroix

Paul Titheridge has posted a blog item over at developerWorks with the title “What is the default behaviour of the IBM MQ classes for Java method MQMessage.writeString(String)?”: https://developer.ibm.com/messaging/2018/03/09/mqmessage-writestring-default-behaviour/ Regards, Roger Lacroix Capitalware Inc.

Also posted in IBM i (OS/400), IBM MQ, Java, Linux, Unix, Windows, z/OS Comments Off on What is the default behaviour of method writeString of MQMessage for Java?

Creating a Standard for MQ Messages to/from SQLite DB

March 8, 2018 Roger Lacroix

Yesterday, I wrote about MQ Messages to/from SQLite DB which are a pair of utilities for offloading and loading messages to/from SQLite database. I thought it would be a good idea to publish what I designed so that other vendors, companies or users can easy use the standard. First, the SQL to create the table […]

Also posted in C, Capitalware, Database, IBM i (OS/400), IBM MQ, Linux, MQ Message Replication, Open Source, Unix, Windows Comments Off on Creating a Standard for MQ Messages to/from SQLite DB

SQLite v3.22.0 Released

January 23, 2018 Roger Lacroix

D. Richard Hipp has just released SQLite v3.22.0. 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, Unix, Windows, z/OS Comments Off on SQLite v3.22.0 Released

I’m a Bad Programmer! ;)

January 19, 2018 Roger Lacroix

If I was in a code walk-through of someone else’s code and found the bug that I just found in my code, I would say “that is some bad programming”. So, I’ll admit it – I’m a bad programmer! 😉 A long time ago, I created a nice logging framework (C code) for Capitalware’s products. […]

Also posted in C, Capitalware, IBM i (OS/400), IBM MQ, z/OS Comments Off on I’m a Bad Programmer! ;)

Java/JMS MQ Applications and Maven

January 10, 2018 Roger Lacroix

IBM has made available the MQ Redistributable Client (Java/JMS portion) on Maven. Mark Taylor of IBM has a blog posting on it and how to configure your files to use it: https://developer.ibm.com/messaging/2018/01/09/developing-mq-java-applications-maven/ Regards, Roger Lacroix Capitalware Inc.

Also posted in IBM MQ, Java, JMS, Linux, macOS (Mac OS X), Unix, Windows Comments Off on Java/JMS MQ Applications and Maven

Sample Java Code to Subscribe to an IBM MQ Topic

December 8, 2017 Roger Lacroix

Here is blog posting # 2 on subscribing to a topic in IBM MQ. More code examples – here is a Java IBM MQ (non-JMS) sample program to subscribe to a topic within a queue manager of IBM MQ. It will receives messages until ‘no messages available’ exception which is set for 30 seconds. You […]

Also posted in IBM i (OS/400), IBM MQ, IBM MQ Appliance, Java, Linux, macOS (Mac OS X), Unix, Windows, z/OS Comments Off on Sample Java Code to Subscribe to an IBM MQ Topic

Sample Java Code to Publish to an IBM MQ Topic

December 8, 2017 Roger Lacroix

Programmers always have questions about coding Pub/Sub in IBM MQ. I’ll do 2 blog posting: one on publishing to a topic and the next one on subscribing to a topic in IBM MQ. Since everyone likes code examples, here is a Java IBM MQ (non-JMS) sample program to publish a message to a topic within […]

Also posted in IBM i (OS/400), IBM MQ, IBM MQ Appliance, Java, Linux, macOS (Mac OS X), Unix, Windows, z/OS Comments Off on Sample Java Code to Publish to an IBM MQ Topic

Autonomous Lost Message Notifier

November 2, 2017 Roger Lacroix

All too often, I and the world of MQAdmins hear architects, programmers, support personal, etc. say: MQ has lost my message. Where is my message? What happened to the reply message for the request message? If you need to track or audit messages and/or message flows then your company needs to invest in a commercial […]

Also posted in Database, IBM i (OS/400), IBM MQ, Java, Linux, macOS (Mac OS X), Unix, Windows Comments Off on Autonomous Lost Message Notifier

SQLite v3.21.0 Released

October 25, 2017 Roger Lacroix

D. Richard Hipp has just released SQLite v3.21.0. 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, Unix, Windows, z/OS Comments Off on SQLite v3.21.0 Released

Java 9 Released

September 22, 2017 Roger Lacroix

Oracle has just released Java 9. https://docs.oracle.com/javase/9/whatsnew/toc.htm#JSNEW-GUID-C23AFD78-C777-460B-8ACE-58BE5EA681F6 Java Platform, Standard Edition (Java SE) lets you develop and deploy Java applications on desktops and servers, as well as in today’s demanding embedded environments. Java offers the rich user interface, performance, versatility, portability, and security that today’s applicationsrequire. Regards, Roger Lacroix Capitalware Inc.

Also posted in IBM i (OS/400), Java, JMS, Linux, macOS (Mac OS X), Unix, Windows, z/OS Comments Off on Java 9 Released