src/main/java/org/opensearch/performanceanalyzer/rest/QueryActionRequestHandler.java [107:133]:
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            } catch (InvalidParameterException e) {
                LOG.error(
                        (Supplier<?>)
                                () ->
                                        new ParameterizedMessage(
                                                "QueryException {} ExceptionCode: {}.",
                                                e.toString(),
                                                StatExceptionCode.REQUEST_ERROR.toString()),
                        e);
                String response = "{\"error\":\"" + e.getMessage() + "\"}";
                sendResponse(exchange, response, HttpURLConnection.HTTP_BAD_REQUEST);
            } catch (Exception e) {
                LOG.error(
                        (Supplier<?>)
                                () ->
                                        new ParameterizedMessage(
                                                "QueryException {} ExceptionCode: {}.",
                                                e.toString(),
                                                StatExceptionCode.REQUEST_ERROR.toString()),
                        e);
                String response = "{\"error\":\"" + e.toString() + "\"}";
                sendResponse(exchange, response, HttpURLConnection.HTTP_INTERNAL_ERROR);
            }
        } else {
            exchange.sendResponseHeaders(HttpURLConnection.HTTP_NOT_FOUND, -1);
        }
        exchange.close();
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src/main/java/org/opensearch/performanceanalyzer/rest/QueryRcaRequestHandler.java [125:151]:
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            } catch (InvalidParameterException e) {
                LOG.error(
                        (Supplier<?>)
                                () ->
                                        new ParameterizedMessage(
                                                "QueryException {} ExceptionCode: {}.",
                                                e.toString(),
                                                StatExceptionCode.REQUEST_ERROR.toString()),
                        e);
                String response = "{\"error\":\"" + e.getMessage() + "\"}";
                sendResponse(exchange, response, HttpURLConnection.HTTP_BAD_REQUEST);
            } catch (Exception e) {
                LOG.error(
                        (Supplier<?>)
                                () ->
                                        new ParameterizedMessage(
                                                "QueryException {} ExceptionCode: {}.",
                                                e.toString(),
                                                StatExceptionCode.REQUEST_ERROR.toString()),
                        e);
                String response = "{\"error\":\"" + e.toString() + "\"}";
                sendResponse(exchange, response, HttpURLConnection.HTTP_INTERNAL_ERROR);
            }
        } else {
            exchange.sendResponseHeaders(HttpURLConnection.HTTP_NOT_FOUND, -1);
        }
        exchange.close();
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