WebLogic: The Definitive Guide by Jon Mountjoy, Avinash Chugh The unconfirmed error reports are from readers. They have not yet been approved or disproved by the author or editor and represent solely the opinion of the reader. Here's a key to the markup: [page-number]: serious technical mistake {page-number}: minor technical mistake : important language/formatting problem (page-number): language change or minor formatting problem ?page-number?: reader question or request for clarification This page was updated June 17, 2008. UNCONFIRMED errors and comments from readers: {31} last paragraph; The book should read "A cached page is served only if the If-Modified-Since request header is before the Last-Modified response header - otherwise the filter sends back SC_NOT_MODIFIED (304) status with no content. [77] Installing a proxy, 2nd paragraph; module location depends on platform, should be: WLHOME/server/lib/PLATFORM/mod_wl_20.so [290] portion of ejb-jar.xml dd; should be within ejb-jar element, not entity element (causes error in appc) [608] in method public boolean commit()...; subject.getPrincipals().removeAll(principalsBeforeCommit); should be: subject.getPrincipals().addAll(principalsBeforeCommit); {712} botto code example; I believe that the first parameter to mapping.register should be MyType.class, not SOAPStruct.class.