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Earlier in the year I wrote an article talking about the hot topics in WebSphere MQ (WMQ). I thought now would be a good time to take another look and see what has changed. I found a lot of the things that were hot then are still hot now. So in this article, I am not going to talk much about the items included in the last article. Instead, I will list 5 new items that I did not include in my list the last time. In case you missed the first article you should go back and take a look at that because many of those items are still hot topics... [More]
In my job as a Project Leader in ITSO (also known as the IBM Redbooks team) I have published more than 100 books since 1999. My first two Redbooks publications even had the red covers. Anyone still remember them? I have always enjoyed working for ITSO, because of the opportunity to meet with people from all over the world and to be able to work on the leading-edge IBM products. Most of the Redbooks projects are run in one of the two ITSO centers in US --Raleigh and Poughkeepsie. However, recently we have started running some of these outside... [More]
Transparent decision services, Hosted Transparent Decision Service (HTDS), and Managed Transparent Decision Service (MTDS), provide immediate integration of ruleset execution with any other application through a web service. HTDS does not require that you generate any code, but up to JRules V7.1, you must use MTDS if some of the ruleset parameters use complex Java™ types, because HTDS did not support complex Java types. From version 7.5 of the product (WODM - WebSphere Operational Decision Manager / ODM - IBM Operational Decision Manager), HTDS... [More]
Do you need to have a WebSphere MQ queue manager that is RFC 5280 compliant? The RFC 5280 standard defines the current certificate validation policy for use with SSL and TLS. It specifies the rules which all SSL/TLS applications should ideally follow to reliably determine certificate trustworthiness. The WebSphere MQ Information Center has more information about RFC 5280 and certificate validation policies, see: Certificate validation and trust policy design on UNIX, Linux and Windows systems Users who require RFC 5280 certificate validation... [More]
Back in the Spring, we announced the first beta release of IBM Support Assistant 5.0 . Today, we are refreshing this beta with many enhancements based on your feedback, and with some new functions that had previously been under development for our internal users within IBM Support, that are now finally ready for external use. This new release can be downloaded at this URL . As a reminder, IBM Support Assistant provides a common platform to help you perform troubleshooting tasks such as collecting and reviewing diagnostic information and... [More]
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I thought it'd be a good idea to take a look at problems with starting up WebSphere MQ and shutting it down. These types of problems usually have totally unrelated causes and so are resolved in totally different ways. Let's start with how to stop a queue manager. There are three modes available to stop MQ, the first being by using the default of QUIESCE. The QMGR can also be stopped by FORCE, or with MODE(RESTART). QUIESCE mode will allow all programs currently running to finish processing before the QMGR stops. No new programs can start and... [More]
IBM encourages clients to use a combination of batchsize and transaction size parameters for improved performance Batchsize parameter Specifies the number of consolidated records to include in a batch Setting batchsize to 0 may help identify failing records By default, the batchsize value is set to 100. If the stagingProp utility fails, a batch size of 100 is not very useful in determining the record causing the failure because the error message may not point to the actual failing record because there are 100 records in the failing batch. If... [More]
The idea for collecting additional information for WebSphere Operational Decision Management (WODM) V8.0 is to provide a convenient and efficient one-stop search to save you lots of time and effort. These documents cover changes to the product, problems that are found in different versions, and some information missing from documentation. WebSphere Operational Decision Management V126.96.36.199 (Product Release Date: 30 Aug. 2012) Known Limitations in WebSphere Operational Decision Management V188.8.131.52 : Lists known problems, solutions and possible... [More]
Hey WebSphere Application Server Messaging Engine (ME) users, have you ever had a problem during startup? The whole Service Integration Bus technology can be complicated. So, if you have encountered a startup problem then you probably have called IBM Support for help getting your ME to start. However, did you know that it is very likely that you did not need to do that? The chances are very good that you had all the information you needed to resolve the problem, on your own, but perhaps you just did not know it. Maybe you knew the information... [More]
The answer to that question is "well, yes pretty much". If a WebSphere MQ channel fails and you're betting on root cause you can likely win that bet if you know that most channels fail because of an underlying problem either within the network, or the general network configuration. While IBM Support is always ready to provide ancillary support on such problems, often the most time is saved if network personnel are involved immediately and can get started on review of network type traces. The tools of the trade include z/OS packet... [More]
We get questions about the configuration of WebSphere MQ in a Windows domain at least once a week. Today I will try to eliminate the myth and confusion surrounding this topic and explain how to easily accomplish this task. When WebSphere MQ (WMQ) is installed in a standalone environment the authority of the built-in userid MUSR_MQADMIN is used for all WMQ processes. The authority manager process AMQZFUMA, verifies the authority of users and groups to access queue and channel objects and the commands that operate upon the objects. This process... [More]
If you are not thinking about the holidays and you are running an eCommerce site, you better start thinking soon. Its best to prepare and test now instead of a wait and see approach. Get planning your readiness schedule now, so that you can lock down the system in November and be ready to ride the wave through to the end of the year. This way you can hopefully keep your customers happy and the revenue flowing. You will want to start by reviewing this part of the information center Preparing Commerce for Peak Shopping Periods. This starts... [More]
There are many things to consider in the area of WebSphere Service Registry and Repository (WSRR) performance. It is best to take a holistic approach and look at the entire set of components that make up environment where WSRR is installed. The first thing to consider is the hardware. WSRR does not provide specific hardware requirements. WSRR relies on the hardware requirements for WebSphere Application Server (WAS) because, after all, WSRR does run inside WAS. See WebSphere Application Server detailed system requirements for a list of the... [More]
FREE ... it is a very powerful word. The word "free" can generate a lot of excitement and draw a lot of attention, but for many people, including me, it will also generate a lot of skepticism. After all, there is a good reason that old saying of "you get what you pay for" has been around for many years. Personally, I find that the word "free" offers enough potential reward to hold my attention long enough to find out what is the prize and what is the catch. In this case, if you read on further, I am... [More]