private static void sendErrorResponse(HttpServletResponse response, Exception e, String uri) {
if (e instanceof H2OFailException) {
H2OFailException ee = (H2OFailException) e;
H2OError error = ee.toH2OError(uri);
Log.fatal("Caught exception (fatal to the cluster): " + error.toString());
throw (H2O.fail(error.toString()));
} else if (e instanceof H2OAbstractRuntimeException) {
H2OAbstractRuntimeException ee = (H2OAbstractRuntimeException) e;
H2OError error = ee.toH2OError(uri);
Log.warn("Caught exception: " + error.toString());
setResponseStatus(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
// Note: don't use Schema.schema(version, error) because we have to work at bootstrap:
try {
@SuppressWarnings("unchecked")
String s = new H2OErrorV3().fillFromImpl(error).toJsonString();
response.getWriter().write(s);
} catch (Exception ignore) {
}
} else { // make sure that no Exception is ever thrown out from the request
H2OError error = new H2OError(e, uri);
// some special cases for which we return 400 because it's likely a problem with the client
// request:
if (e instanceof IllegalArgumentException)
error._http_status = HttpResponseStatus.BAD_REQUEST.getCode();
else if (e instanceof FileNotFoundException)
error._http_status = HttpResponseStatus.BAD_REQUEST.getCode();
else if (e instanceof MalformedURLException)
error._http_status = HttpResponseStatus.BAD_REQUEST.getCode();
setResponseStatus(response, error._http_status);
Log.warn("Caught exception: " + error.toString());
// Note: don't use Schema.schema(version, error) because we have to work at bootstrap:
try {
@SuppressWarnings("unchecked")
String s = new H2OErrorV3().fillFromImpl(error).toJsonString();
response.getWriter().write(s);
} catch (Exception ignore) {
}
}
}
