After XPCOM 2.0 landing this patch gets StringBundleTest working again (removing no longer necessary registrations): Index: StringBundleTest.cpp =================================================================== RCS file: /cvsroot/mozilla/intl/strres/tests/StringBundleTest.cpp,v retrieving revision 1.6 diff -r1.6 StringBundleTest.cpp 27a28 > #ifdef XP_PC 29c30,36 < #define XPCOM_DLL "xpcom32.dll" --- > #else > #ifdef XP_MAC > #include "nsMacRepository.h" > #else > #define NETLIB_DLL "libnetlib.so" > #endif > #endif 42a50,55 > ret = nsComponentManager::AutoRegister(nsIComponentManager::NS_Startup, > "components"); > if (NS_FAILED(ret)) return ret; > > nsComponentManager::RegisterComponent(kNetServiceCID, NULL, NULL, NETLIB_DLL , PR_FALSE, PR_FALSE); > 51,52d63 < nsComponentManager::RegisterComponent(kEventQueueServiceCID, NULL, NULL, XPC OM_DLL, < PR_FALSE, PR_FALSE); 66d76 < nsComponentManager::RegisterComponent(kNetServiceCID, NULL, NULL, NETLIB_DLL , PR_FALSE, PR_FALSE);