Open Source Java Based Blog Software [closed]

"Pebble seems to be what you need:

Pebble is a lightweight, open source,
Java EE blogging tool. It's small,
fast and feature-rich with unrivalled
ease of installation and use. Blog
content is stored as XML files on disk
and served up dynamically, so there's
no need to install a database.

Content

* Posting and management of content through your web browser, including rich text editor support.
* Blogger and MetaWeblog API interface included for posting content via compatible tools.
* Categorisation of content into multiple hierarchical categories.
* Tagging of content and a generation of a tagcloud.
* RSS enclosures for distributing files or podcasting.
* Pinging websites via XML-RPC when new blog entries are added.
* Link to your favorite social bookmarking site

Reader responses

* Reader responses, in the form of threaded comments and MovableType TrackBacks.
* E-mail notifications when new responses are received.
* Pluggable moderation, spam detection and CAPTCHA support.
* Bulk response management features to approve/reject/remove comments and TrackBacks.

Pebble uses the following technologies

Java
JavaServer Pages
JSP Standard Tag Library
Java Servlets
Acegi Security System for Spring
Spring
Apache Lucene
Jakarta Commons
Apache XML-RPC
Radeox"