m4_comment([$Id: cxx.so,v 11.5 2000/03/18 21:43:20 bostic Exp $])m4_ref_title(Upgrading m4_db Applications,    Release 3.0: additional C++ changes,, upgrade.3.0/db_cxx, upgrade.3.0/java)m4_p([dnlThe Db::set_error_model method is gone.  The way to change the C++ API toreturn errors rather than throw exceptions is via a flag on the DbEnv orDb constructor.  For example:])m4_indent([dnlint dberr;DbEnv *dbenv = new DbEnv(DB_CXX_NO_EXCEPTIONS);])m4_p([dnlcreates an environment that will never throw exceptions, and methodreturns should be checked instead.])m4_p([dnlThere are a number of smaller changes to the API that bring the C, C++and Java APIs much closer in terms of functionality and usage.  Pleaserefer to the pages for upgrading C applications for further details.])m4_page_footer