message: Exit if we fail to load a JAR
  Summary:
  It's probably an error. At the very least it prevents reproducible
  builds
diff: @@ -454,6 +454,7 @@ int main(int argc, char* argv[]) {
  fprintf(stderr,
  "ERROR: Library jar could not be loaded: %s\n",
  library_jar.c_str());
  + exit(1);
  }
  }
  }
  