On Dec 19, 2007 10:59 AM, Jin Xu <xujin.net at gmail.com> wrote: > Hello: > Is the instance of "nu.xom.Builder" thread security, please ? See http://xom.nu/designprinciples.xhtml#d0e312 and perhaps consider http://dsd.lbl.gov/nux/api/nux/xom/pool/BuilderPool.html cheers, asgeir