Zero uses the C++ Interpreter which does not define Interpreter::remove_activation_entry() and, thus, fails to compile with: hotspot/src/share/vm/interpreter/interpreterRuntime.cpp: In static member function ���static unsigned char* InterpreterRuntime::exception_handler_for_exception(JavaThread*, oopDesc*)���: hotspot/src/share/vm/interpreter/interpreterRuntime.cpp:397:12: error: ���remove_activation_entry��� is not a member of ���Interpreter��� See also: http://builder.classpath.org/jenkins/job/OpenJDK9_hscomp_Zero/88/consoleFull