https://bz.apache.org/bugzilla/show_bug.cgi?id=64020
--- Comment #1 from PJ Fanning <fannin...@yahoo.com> --- in your stack trace, it appears to be org.apache.catalina.loader.WebappClassLoaderBase that is using the HashSet - not XMLBeans or POI code -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@poi.apache.org For additional commands, e-mail: dev-h...@poi.apache.org