in amazon-sns-trigger-server/src/main/java/jetbrains/buildServer/clouds/amazon/sns/trigger/controllers/BaseAwsConnectionController.java [26:34]
protected <T> void writeErrorsAsJson(@NotNull T value, @NotNull HttpServletResponse response) throws IOException {
final String json = OBJECT_MAPPER.writeValueAsString(value);
response.setContentType("application/json");
response.setCharacterEncoding(Charsets.UTF_8.name());
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
final PrintWriter writer = response.getWriter();
writer.write(json);
writer.flush();
}