--- old/src/share/vm/classfile/defaultMethods.cpp 2013-11-26 13:35:05.082810000 -0500 +++ new/src/share/vm/classfile/defaultMethods.cpp 2013-11-26 13:35:03.055313000 -0500 @@ -349,6 +349,7 @@ } Symbol* generate_no_defaults_message(TRAPS) const; + Symbol* generate_method_message(Symbol *klass_name, Method* method, TRAPS) const; Symbol* generate_conflicts_message(GrowableArray* methods, TRAPS) const; public: @@ -414,8 +415,13 @@ } } - if (qualified_methods.length() == 0) { - _exception_message = generate_no_defaults_message(CHECK); + if (num_defaults == 0) { + if (qualified_methods.length() == 0) { + _exception_message = generate_no_defaults_message(CHECK); + } else { + assert(root != NULL, "Null root class"); + _exception_message = generate_method_message(root->name(), qualified_methods.at(0), CHECK); + } _exception_name = vmSymbols::java_lang_AbstractMethodError(); // If only one qualified method is default, select that } else if (num_defaults == 1) { @@ -428,7 +434,6 @@ tty->print_cr(""); } } - // leave abstract methods alone, they will be found via normal search path } bool contains_signature(Symbol* query) { @@ -486,6 +491,19 @@ return SymbolTable::new_symbol("No qualifying defaults found", CHECK_NULL); } +Symbol* MethodFamily::generate_method_message(Symbol *klass_name, Method* method, TRAPS) const { + stringStream ss; + ss.print("Method "); + Symbol* name = method->name(); + Symbol* signature = method->signature(); + ss.write((const char*)klass_name->bytes(), klass_name->utf8_length()); + ss.print("."); + ss.write((const char*)name->bytes(), name->utf8_length()); + ss.write((const char*)signature->bytes(), signature->utf8_length()); + ss.print(" is abstract"); + return SymbolTable::new_symbol(ss.base(), (int)ss.size(), CHECK_NULL); +} + Symbol* MethodFamily::generate_conflicts_message(GrowableArray* methods, TRAPS) const { stringStream ss; ss.print("Conflicting default methods:");