July 8, 2008

Debugging remote Tomcat from Eclipse

Christian Decker wrote this in the wee hours:
I recently set up a new Project using Maven 2. Sadly, while facilitating the Project setup, this means that I couldn’t get all the free configuration I could have had by simply clicking through the Eclipse Wizard for Dynamic Web Projects, namely the ability to run the Tomcat container right inside Eclipse, with automagic reloading, etc… Luckily I found this post by Narendra Naidu which explains the details on how to start Tomcat in the JPDA debugging mode, and how to attach Eclipse to it:
  1. Start Tomcat in JPDA debug mode. For this, set up two variables in the environment as follows:
  2. The first variable is: set JPDA_TRANSPORT=dt_socket (This tells the VM that the debugger would talk to the VM on Tcp sockets)
  3. The second variable is: set JPDA_ADDRESS=8000 (This tells the VM the port on which it should listen for debugger connections)
  4. Go to the command prompt and run the ‘Catalina.bat’ batch file present in {TomcatHome}\bin. On the command prompt pass the following argument: catalina jdpa start
  5. Go to Eclipse and open the Debug window. Create a new configuration under ‘Remote Java Application’ . Make sure ‘Connection Type’ is Socket and port is 8000
  6. Navigate the webapplication thru web browser and see your Eclipse stop at breakpoints.
Very helpful :-)

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January 19, 2008

Taking KDE 4 for a tour

Christian Decker wrote this in the wee hours:

Right now I’m writing this from the newest Kubuntu version which sports the newest KDE 4 version, and I just got one comment: “awesome” :) It’s nice, it’s fast and it’s intuitive, not sure how much is due to Kubuntu and how much it’s KDE4’s own improvement, but surely I will test it as soon as I get a better view at it on openSuse.

I suggest you get a look yourself and test it out, it’s beautiful ^^

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October 25, 2007

Java, a retrospective

Christian Decker wrote this in the wee hours:

I’ve been a java programmer since it came out in 1995. My father discovered that I was writing small scripts for some computer games and asked me whether I was interested in learning a real programming language.

Java was easy enough that i could write programs for my day to day usage, my masterpiece being an HTTP-Proxy to be able to surf the web (remember the 56kbs modems? :D).

Java had a troubled story, loosing both the browser and the desktop as a platform it was soon banned to mobile phones and to the serverside, but it also brought us some great changes for which we should be grateful. For once they introduced a good set of standard libraries which i so sorely miss in other languages, and with java it suddenly was easy to put together great applications. ReadWriteWeb has a really good look at the history of java which i think everyone should have read, i certainly felt touched while reading it.

Java was and still is a revolutionary technology, so revolutionary that Sun Microsystems recently changed its Stock Symbol from SUNW to JAVA.

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December 11, 2006

Sxip contributes Java and Perl libraries to OpenID 2.0

Christian Decker wrote this in the wee hours:
Some great news from the Sxip team, who recently released their a beta of their service Sxipper, have released two libraries for OpenID:
Licensed under an open source Apache 2.0 license, Sxip has released the OpenID4Java and OpenID4Perl libraries. The libraries are easy-to-use and well-documented, allowing you to add full support for OpenID 1.x, 2.0 and Attribute Exchange into your Java and Perl based applications. We invite you to try them out and would appreciate your feedback! We also welcome and encourage community participation around the ongoing development of these libraries. OpenID is an emerging Identity 2.0 authentication mechanism that enables users to maintain one login and password account for access to many sites. Package downloads for the latest version of the Java and Perl libraries for OpenID can be found on the distribution project page at code.sxip.com. In the coming weeks, we’ll update the library based on the progress of the OpenID Authentication 2.0 specification and we’re looking forward to working with others on the project!
I’m a huge fan of OpenID, and everything that helps implement the protocol easier is a step in the right direction.

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November 25, 2006

Is Java bad? Ask Ajaxian…

Christian Decker wrote this at around evening time:
Ajaxian has once again a new Post about a new Library, this time a URL Parser. All nice and shiny but it isn’t the library I want to write about, it’s the finishing comment they put in there:
This smells like a Java group writing JavaScript to me with the camelCase and thus p.getUsername() instead of p.username.
Why should it be negative to immitate Java? I’m a Java-Programmer myself and I try to use as much as I can from my experience when writing Ajax applications. I think the Ajax community could learn a lot from the Java style of doing things instead of being so snobbish…

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