Web robots are visiting sites to hack, spam, email harvest and to scrap your website contect for profit.
This blog is an atempt to keep track of them and to help webmasters by listing the abuse in google.
Sep 12, 2006
Java/1.5.0_02 22.214.171.124 trishuli.cs.UMBC.EDU
This is known spam software use to harvest email addresses. It is running in the Computer Science Dept of the University of Maryland.