TeamWeaver Integrated Search provides an integrated crawling and search mechanism across multiple software-engineering related data such as repositories (SVN, CVS, SourceSafe, Filesystems) filetypes (Code, Office-Documents, PDF) and various systems (e.g. JIRA, Bugzilla, OTRS, Confluence, MediaWiki, XPlanner).TeamWeaver Integrated Search can be accessed via a web-frontend, embedded into a MediaWiki instance, or from within Eclipse.
Installation and configuration instructions can be found here: http://www.teamweaver.org/wiki/index.php/Integrated_Search
TeamWeaver Integrated Search is a part of the TeamWeaver project which aims to establish an efficient and seamless flow of information within development teams -- i.e. to minimize cost and effort to retrieve and share required information.
More information on the project can be found at http://community.polarion.com/index.php?page=overview&project=teamweaver and http://www.teamweaver.org/wiki/index.php/Main_Page.