My server responds with status 500 instead of 400 when invalid JSON is sent
to me dropwizard service. We tracked it down to Immutables throwing an
IllegalStateException which Jackson then wraps as an
InvalidDefinitionException which of course ends up triggering this line in
the Dropwizard JsonProcessingExceptionMapper.
if (exception instanceof JsonGenerationException || exception instanceof
InvalidDefinitionException) {
return super.toResponse(exception); // LoggingExceptionMapper will log
exception
}
Is there a simple way around this? A configuration or some such so that I
properly return the status of 400? The only thing we can come up with is
writing our own Exception Mapper and not using the drop wizard supplied
one. But it seems heavy handed.
public class ImmutablesJsonProcessingExceptionMapper extends
JsonProcessingExceptionMapper {
@Override
public Response toResponse(JsonProcessingException exception) {
if (exception instanceof InvalidDefinitionException) {
exception = new JsonParseException((JsonParser) null, null, exception);
}
return super.toResponse(exception);
}
}
Thanks for any input.
R.
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