spark-doris-connector/src/main/java/org/apache/doris/spark/rest/RestService.java [317:328]:
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        } 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);
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spark-doris-connector/src/main/java/org/apache/doris/spark/rest/RestService.java [406:417]:
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        } 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);
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