where you can download bnd.jar

http://www.aqute.biz/Bnd/Download

open of search engines for OSGi bundle.

http://ebr.springsource.com/repository/app/

how to update your bundle with maven 2.

mvn -P autoInstallBundle clean install -Dsling.url=http://175.41.252.xxx/system/console

why JCR properties not changed when a bundle re-install which expect to change the contents

update and re-install a bundle with a different content/helloworld.json may not change JCR data (properties).

You have to use http://175.41.252.xxx/.explorer.html# to change the data in stead.

I use sling for web app management.

1. get your sling runnning and you can see your current bundle by web console management.
http://sling.apache.org/site/installing-and-upgrading-bundles.html
2. a list of bundles is here
http://sling.apache.org/obr/sling.xml

good start to learn OSGi and how to create a bundle.

http://underlap.blogspot.com/2007/01/creating-osgi-bundle.html