Linux Swords

If you don’t want to use findjar, you can use a groovy script.

You can use the following:
Mehr…

martin Java, linux

I just recently stumbled accross www.findjar.com, a usefull tool
to find jar-files [who would have guessed..]

And I created a yubnub command for it: findjar

Hope somebody else finds this usefull too

Tags: javajar

mjava Java, cmd-lines

I recently started to listen to podcast and the variety of podcasts is really big.

I discovered http://www.se-radio.net. This site produces
podcasts for software engineers. I really enjoy the possibility to learn while traveling

Today, I started listening to the parts of concurrency. Did you know there is a bug classification called Heisenberg-Bugs? A Heisenberg-Bug is Mehr…

mjava IT, Java

I rewrote my groovy-script to have better output:

searchJar.groovy

mjava Downloads, Java, cmd-lines groovy, jar

An annoyance in IntelliJ IDEA was that the command ‘View Javadoc in external Browser’ did not work
per default on a mac. On a mac with it’s own java sources the api-doc are located inside a jar and therefore
not able to browse through a normal webbrowser. (If you know a browser which can handle a jar://xxx address let me now in a comment)

IntelliJ does not open or extract those files per default so I did by hand with:

cd /System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home
jar xf docs.jar // this will extract the contents of the jar
jar xf appledocs.jar // dito


No we need to point IntelliJ to the extracted files. Open your Preferences -> Project Preferences.
Click on the desired JDK and then click on the tab ‘javadocs’. Remove the old entries for the jar and enter
the extracted path
/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/docs/api
/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/appledocs/api

Not it works. To test it, move the cursor to a class,member whatever and press <Shift>+<F1>. The appropriate javadoc should open in your default browser.

This is not a bug fix, just a bad default configuration. I’d like to see this fixed in the next release…

mjava Java intellij, Java, javadoc

7.0.3 is out now. get it!

mjava Java intellij, Java

… is like Alice climbing through the rabbit hole.

I just connected to a db, did a query from a table and printed out a selection of columns in just
2 lines of code, yes TWO LINES!

mjava Java groovy

Recently I had following problem. I had a bunch of jar-files and I had to find out which jar-file was holding a specific class.

This is a common task, because your java-code told you that a class XY was not in you classpath, so you would have to search for it, if you don’t know already where to find it.

Since I had to do it already 2 times and as I am learning groovy I decided to write a short groovy-script
(are there long groovy-scripts?) which allows me to do that.

It is pretty straight-forward so here it is: searchJar.groovy

mjava Java, cmd-lines groovy, jar, Java

I am playing around with hudson as a integration server.

So far it is very nice and intuitiv, you can even trigger builds by email, mobile etc! And just
yesterday it has groovy-console builtin for monitoring maven2-builds!

Isn’t it a good day when you recover that your new tools already know each other?

Although I have to admit that hudson lacks some features I would like to have such as
access-control per project. For now there is an access-control (LDAP, Matrix-like etc) for the whole build-server…

mjava IT, Java groovy, hudson, Java, maven

I just read about JSR 666.

First I took it for serious, but when i read about SchrödingerException
I could not help laughing.

My other favorite tough was ‘import *;‘

mjava Java Java, jsr