if (body == null || body.isEmpty()) {
LOG.error("Missing parameters. Returning HTTP 400.");
throw new WebApplicationException(400);
}
TriggerRequest tr;
try {
tr = objectMapper.readValue(body, TriggerRequest.class);
} catch(IOException e) {
LOG.error("Error while parsing JSON", e);
throw new WebApplicationException(e, Response.Status.BAD_REQUEST);