Hi Pierre-Arnaud, thanks for sharing your experience and the links.
Regards, Stefan Pierre-Arnaud Marcelot schrieb: > Hi all, > > While I was developing the Apache DS plugin for Apache Directory Studio, > I ran into several class loader issues. > > The Apache DS plugin defines a new Log4J appender that is used to > display the logs of an Apache DS server in the a console inside Studio. > In the Apache DS plugin, the Log4J dependency is inherited from the > Apache Directory Studio Jars plugin which contains the Log4J jar > dependency and re-exports it in its MANIFEST.MF file. > The compilation worked fine, but at runtime I had some ClassNotFound > exceptions when I was trying to create a new instance of the Logger. > Basically the problem was that the two plugins (Apache DS and Jars) are > not sharing the same class loader, even if we explicitely re-export the > dependency. > So, the Log4J class in the Jars plugin class loader could not find my > Appender class that was in a separate class loader (the Apache DS plugin > class loader). > > After a few researches on google, I finaly found that I had to use the > "Buddy Class Loading" feature of Eclipse to get my code working at runtime. > > I though it could be interesting to share the links that helped me solve > this problem if someone working on Studio faces a similar issue. > > http://www.eclipsezone.com/eclipse/forums/t61831.html > http://www.eclipsezone.com/articles/eclipse-vms/ > > Regards, > Pierre-Arnaud > >
