Thanks to my colleague Dave Screen for highlighting a useful technote relating to sharing library modules in WebSphere ESB and Process Server. The WebSphere Integration Developer concept of a library is typically only used for development time sharing of artifacts i.e. when you deploy a module that depends on that library, a copy of the JAR file is included in the enterprise application that is deployed. The technote describes how to deploy the library as a WebSphere shared library and have multiple modules depend on the same instance at runtime. This has the potential to reduce memory usage (the library is on a shared classloader) and ease managability. It does, however, mean that you need to be more careful about versioning of the library and breaking other dependent modules. If you’re not on 6.2 then note the list of APARs at the bottom of the document.
Author Archive
Sharing libraries at runtime
Wednesday, May 6th, 2009Other two underpasses (backwards)
Tuesday, May 5th, 2009With a different pair of shoes on I decided that my blister from the weekend could cope with an outing to the Forest. This month our start (and finish) point moved to the Canadian War Memorial, north of Emery Down. This week’s designated run was the “other two underpasses (backwards)”. Backwards meant anti-clockwise and for some reason no-one could remember ever having run the route that way before. One side effect was that we usually add a bit of a loop on to the end to kill some time – we tried to compensate for this by adding a bit of a loop on the start but failed to take long enough and therefore had to add another loop on at the other end (with some adding a bigger loop than others). Afterwards we repaired to the New Forest Inn to hear Stuart’s tails of daring do at the Marathon des Sables.
Double O Severn
Monday, May 4th, 2009Yet more ponds
Tuesday, April 28th, 2009After an enforced couple of weeks I made it back to Fritham for the last run of the month. Thankfully the afternoon rain cleared and we had a pleasant enough tour around the six ponds (clockwise this time). Canadian War Memorial next month…
Epping VM
Sunday, April 26th, 2009Dynamic JMS endpoints revisited
Saturday, April 18th, 2009This is a long overdue update to a previous post on achieving dynamic JMS endpoints in WebSphere ESB. As several people have commented, WebSphere ESB 6.2 added support for dynamic endpoints for all of the bindings types as documented in the InfoCenter. A couple of points to note:
- The syntax of the endpoint URI used for the JMS bindings uses JNDI names to refer to the resources and is therefore not truly dynamic in the sense that JMS destinations need to have been pre-configured for all of the messaging provider destinations to which you might want to send.
- For a native MQ binding, you can currently only modify the queue dynamically and not the queue manager to which you can connect.
Cornish Holiday
Thursday, April 16th, 2009Return to the Ridge
Tuesday, April 7th, 2009We made the most of the passing of the British Champs and tonight’s run returned to the previously embargoed Hampton Ridge. Numbers were down a bit on last week but still riding high. Unfortunately we enjoyed running across the clear forest floors rather too much and came out on the plain rather too far north. In an attempt to recoup some time we then didn’t head as far west which made things a little scrappy going south.
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