configure tomcat to allow backslashes in URL...
 see :
http://mail-archives.apache.org/mod_mbox/cxf-issues/201203.mbox/%3C839744302.23575.1332860185120.JavaMail.tomcat@hel.zones.apache.org%3E
 see : http://wiki.cloudbees.com/bin/view/RUN/CloudBeesWebXml