Archive for the Category: JMS

Capitalware’s MQ Technical Conference v2.0.1.3

April 8, 2013 Roger Lacroix

Capitalware would like to announce a new 3-day MQ Technical Conference v2.0.1.3 (MQTC). MQTC is an event that will educate attendees on current practices, methodologies, administration, problem determination, security best practices and technology trends for IBM’s WebSphere MQ. MQTC will offer over 40 sessions that are designed to enhance the skills of IT professionals who [...]

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WMQ v7.1 and v7.5 manuals as PDFs

November 9, 2012 Roger Lacroix

After a nice community push for RFE # 21041, IBM has made available WebSphere MQ v7.1 and v7.5 manuals as PDFs. WebSphere MQ 7.1 PDFs: http://pic.dhe.ibm.com/infocenter/wmqv7/v7r1/topic/com.ibm.mq.doc/zo00170_.htm WebSphere MQ 7.5 PDFs: http://pic.dhe.ibm.com/infocenter/wmqv7/v7r5/topic/com.ibm.mq.doc/zo00170_.htm Regards, Roger Lacroix Capitalware Inc.

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JBoss and Strange Looking Characters in the Message Data

July 27, 2012 Roger Lacroix

Here’s an interesting issue that Lawrence Coombs had regarding porting a J2EE application from WAS to JBoss: We ported an applictaion from WAS to jboss 5.1. It interfaces with a mainframe CICS transcation that uses MQ 7.x. Neither the distributed nor the Z/OS queue manager changed. The CCSID of the Z/OS queue manager is 500 [...]

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WMQ v7.0.1.8 Java/JMS Application Leaks Connections

July 5, 2012 Roger Lacroix

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 [...]

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ActiveMQ 5.6.0 Released

May 8, 2012 Roger Lacroix

Apache ActiveMQ Project has just released ActiveMQ v5.6.0. http://activemq.apache.org/activemq-560-release.html Apache ActiveMQ is the most popular and powerful open source messaging and Integration Patterns server. Apache ActiveMQ is fast, supports many Cross Language Clients and Protocols, comes with easy to use Enterprise Integration Patterns and many advanced features while fully supporting JMS 1.1 and J2EE 1.4. [...]

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WebSphere MQ Redbooks

March 20, 2012 Roger Lacroix

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 [...]

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WebSphere MQ v7.1 and Java v1.4.2

February 29, 2012 Roger Lacroix

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: java.lang.UnsupportedClassVersionError: com/ibm/mq/MQException (Unsupported major.minor version 49.0) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:539) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123) at java.net.URLClassLoader.defineClass(URLClassLoader.java:251) at java.net.URLClassLoader.access$100(URLClassLoader.java:55) at java.net.URLClassLoader$1.run(URLClassLoader.java:194) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:187) at java.lang.ClassLoader.loadClass(ClassLoader.java:289) [...]

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WMQ v7 Java applications and JMS messages (MQRFH2)

February 23, 2012 Roger Lacroix

I have been banging my head against the wall this week over weird things in WMQ v7, so I figured I would post this so that people in the future would have less of a headache. A year or so ago, I noticed some odd behavior in WMQ v7 with Java applications reading messages with [...]

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Links for WMQ Automatic Client Reconnect

December 15, 2011 Roger Lacroix

Here are some links to information on the Automatic Client Reconnect in WMQ v7.0.1 or higher: WMQ Client manual: Automatic client reconnection WMQ Using Java manual: Automatic client reconnection WMQ System Administration Guide manual: Automatic client reconnection Exploiting the Automatic Client Reconnect feature in WebSphere MQ JMS 7.0.1 Exploiting the Automatic Client Reconnect feature introduced [...]

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MQAUSX without a Client-side Security Exit – Part 1

August 23, 2011 Roger Lacroix

Quite often I get asked if MQAUSX can authenticate a UserID and Password without the requirement of a client-side security exit. The answer is yes. MQAUSX is actually 3 products in one: 1. If the client application is configured with the client-side security exit then the user credentials are encrypted and sent across the wire [...]

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