diff -r 08893cf52ee9 -r 2660d47140da src/hotspot/share/runtime/os.cpp --- a/src/hotspot/share/runtime/os.cpp Thu Jul 18 13:16:10 2019 +0200 +++ b/src/hotspot/share/runtime/os.cpp Thu Jul 18 21:25:41 2019 +0900 @@ -360,6 +360,7 @@ switch (sig) { case SIGBREAK: { +#if INCLUDE_SERVICES // Check if the signal is a trigger to start the Attach Listener - in that // case don't print stack traces. if (!DisableAttachMechanism) { @@ -385,6 +386,7 @@ continue; } } +#endif // Print stack traces // Any SIGBREAK operations added here should make sure to flush // the output stream (e.g. tty->flush()) after output. See 4803766.