--- old/src/share/vm/classfile/classLoader.cpp 2013-07-31 14:19:26.066612309 -0700 +++ new/src/share/vm/classfile/classLoader.cpp 2013-07-31 14:19:25.922612311 -0700 @@ -878,7 +878,7 @@ instanceKlassHandle ClassLoader::load_classfile(Symbol* h_name, TRAPS) { ResourceMark rm(THREAD); - EventMark m("loading class " INTPTR_FORMAT, (address)h_name); + EventMark m("loading class %s", h_name->as_C_string()); ThreadProfilerMark tpm(ThreadProfilerMark::classLoaderRegion); stringStream st;