in flink-doris-connector/src/main/java/org/apache/doris/flink/rest/RestService.java [456:488]
public static Schema parseSchema(String response, Logger logger) throws DorisException {
logger.trace("Parse response '{}' to schema.", response);
ObjectMapper mapper = new ObjectMapper();
Schema schema;
try {
schema = mapper.readValue(response, Schema.class);
} catch (JsonParseException e) {
String errMsg = "Doris FE's response is not a json. res: " + response;
logger.error(errMsg, e);
throw new DorisException(errMsg, e);
} catch (JsonMappingException e) {
String errMsg = "Doris FE's response cannot map to schema. res: " + response;
logger.error(errMsg, e);
throw new DorisException(errMsg, e);
} catch (IOException e) {
String errMsg = "Parse Doris FE's response to json failed. res: " + response;
logger.error(errMsg, e);
throw new DorisException(errMsg, e);
}
if (schema == null) {
logger.error(SHOULD_NOT_HAPPEN_MESSAGE);
throw new ShouldNeverHappenException();
}
if (schema.getStatus() != REST_RESPONSE_STATUS_OK) {
String errMsg = "Doris FE's response is not OK, status is " + schema.getStatus();
logger.error(errMsg);
throw new DorisException(errMsg);
}
logger.debug("Parsing schema result is '{}'.", schema);
return schema;
}