Author Archives: Daniel Zwink

Big data might slow down JTA connections

Posted on 22. February 2013 by Daniel Zwink

Did you ever wonder why working with big data (the REAL big data) slows down your JTA connection from time to time? During a short Helsinki city trip this month I’ve shot the following picture that may provide some explanation. … Continue reading →

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Problem with ui:repeat and NULL values in JSF 2.x

Posted on 29. January 2013 by Daniel Zwink

Some months ago I stumbled across some issue with the ui:repeat component in JavaServer Faces 2. The project I worked on used JSF RI 2.0.2, but the problem seems to exist in all 2.x RI versions (especially the current versions … Continue reading →

Posted in Java EE, Java Web Frameworks | Tagged , , , | 6 Comments

Joshua Bloch is the new Dart core libraries architect

Posted on 8. December 2011 by Daniel Zwink

There are rumors, some answers and still a lot of open questions regarding GWT and Dart. Early in november Bruce Johnson announced a statement regarding both, their (maybe .. however) common future and Google’s view on the latter: We view … Continue reading →

Posted in Politics | Tagged , , , | 1 Comment

Problem with @OrderColumn when using EclipseLink

Posted on 21. April 2011 by Daniel Zwink

In JPA 2.0 the annotation @OrderColumn provides support for persisting the order (or rather the index) of a list. Unfortunately this feature is buggy in some versions of EclipseLink 2.* which is the JPA 2.0 Reference Implementation. The following issue … Continue reading →

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The end of Internet Explorer 6

Posted on 10. March 2011 by Daniel Zwink

Web developers may breathe again. Microsoft announced via twitter the official statement not to use the Internet Explorer 6 any more: It’s not often that we encourage you to stop using one of our products, but for #IE6, we’ll make … Continue reading →

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Stateful Web Services mit JAX-WS

Posted on 24. November 2010 by Daniel Zwink

Ohne die Sinnhaftigkeit von zustandsbehafteten Web Services vorab diskutieren zu wollen sind hier 3 Möglichkeiten genannt solche mit Hilfe von JAX-WS bzw. dessen Referenzimplementierung umzusetzen. Variante 1: Direkter Zugriff auf die HTTP-Session über den WebServiceContext Bei einem Web Service, der … Continue reading →

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