Tech Per

Archive for April, 2008

16 Apr

Automatic MD5 File Generation for Maven Repository

If you have a local repository for your own, in-house developed, artifacts, you might also sometimes have the need to generate MD5 sum files for these, to avoid maven warnings when downloading. I know I have this need, when I put some artifact from the outside world into my local repository. The other day, I [...]

11 Apr

Ping failed in MysqlValidConnectionChecker in JBoss/MySQL-ConnectorJ Combination

Today I was battling an issue for some of my colleagues. They were getting this exception from JBoss/Mysql ConnectorJ driver:

java.sql.SQLException: Ping failed: java.lang.IllegalArgumentException: object is not an instance of declaring class

in the JBoss console.
A look at the stacktrace told me, that it was coming from inside the method com.mysql.jdbc.integration.jboss.MysqlValidConnectionChecker.isValidConnection, so naturally, I dived into the [...]

10 Apr

Public Flashplayer Bug Database

I have previously complained about flashplayer being closed, and bugs reported in flex public jira “disappeared” into a closed bug database in flashplayer.
Well, know Adobe has opened up the flashplayer bug database, as a public flashplayer Jira instance. Great work, Adobe! It is definitely a step in the right direction, to open up the process [...]

08 Apr

DZone Really Popular Posts Mashup With Yahoo Pipes

Often, I find the DZone Popular links feed a bit flooded. I subscribe to it, to follow interesting developer discussions, but sometimes I find, that a post gets to be considered “popular” a bit too easily. More likely, what makes a post “popular” is a quite individual matter, which calls for a more personalized way [...]

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