Unable to fetch json response into a json array in Jmeter Beanshell Post processor JSR223 Post processor

1. I have below json response array which I am getting into Jmeter Regular expression extractor variable C_Totalresponse.

2. In this I have cartItems JSON object.

3. In the cartItems JSON object, we have different SKUs and corresponding quantities.

4. I’m using a hashmap to read values from a CSV file and update quantity details for each SKU, but my script is failing at fetching response into array in Jmeter.

5. I’m sharing the Jmeter code and error I faced while parsing JSON array at the end

I see many post suggesting groovy I am not sure how to use it for huge response like this

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Cart","effectiveAccountID":"0010Y00001cdP0yQAE","b2BCCTMCCount":1,"b2BCCRYOCount":0,"b2BCCCIGARCount":0,"b2BCCOTHERCount":0,"b2BCCIsEmergency":false,"b2BCCIsOffSchedule":false,"b2BCCIsFlagged":false,"b2BCCProductCount":1,"b2BCCTotalSticks":200,"b2BCCTotalGrams":0,"b2BCCExciseRemainingGrams":199670,"b2BCCExciseRemainingSticks":97800,"b2BCCNumberOfOrdersToday":0,"b2BCCOrderingDate":1615939200000,"b2},"cartItems":{"s":55,"v":[{"s":56,"v":{"sfid":"a5w8E000000LFa5QAG","sfdcName":"00068652","cart":"a5x8E000000ICRBQA4","quantity":0,"price":330.53,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":0.00,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":266,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":0.00,"b2BCCAvgSales8Weeks":0.30,"b2BCCAvgSales13Weeks":0.50,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFa5QAG","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,},{"s":60,"v":{"sfid":"a5w8E000000LFa3QAG","sfdcName":"00068650","cart":"a5x8E000000ICRBQA4","quantity":0,"price":13.00,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":0.00,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":264,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":0.00,"b2BCCAvgSales8Weeks":0.00,"b2BCCAvgSales13Weeks":0.00,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFa3QAG","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,"mockProduct":{"s":61,"v":{"sfid":"a6w8E00000096F3QAI","sfdcName":"WINNIES 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RED","ownerId":"0058E000007MQgfQAG","storefront":"B2BAUSECOMMERCE","startDate":1577836800000,"endDate":7258032000000,"averageRating":0.00,"taxable":false,"inventoryType":"STANDARD","b2BCCBarcode":"9310797285520","b2BCCProductCategory":"TMC","b2BCCSTMCode":"000000000075089380","sfdcCurrencyISOCode":"GBP","EProductMediasS":{"r":35},"shortDesc":"B&H 30/120 CLASSIC RED","id":"a6w8E00000096BVQAY","sku":"10086472","ProductType":"Product","ProductStatus":"Released","qtyPerUnit":120.000000,"UnitOfMeasure":"CT","showSubscriptionSelection":false,"name":"B&H 30/120 CLASSIC RED","price":188.56}},"qtyIncrement":1,"SubAmount":0.00,"adjustment":0,"baseDiscount":0,"absoluteDiscount":0,"product":{"Id":"a6w8E00000096BVQAY","ccrz__SKU__c":"10086472"}}},{"s":84,"v":{"sfid":"a5w8E000000LFZDQA4","sfdcName":"00068598","cart":"a5x8E000000ICRBQA4","quantity":0,"price":330.53,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":0.00,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":9,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":0.50,"b2BCCAvgSales8Weeks":0.90,"b2BCCAvgSales13Weeks":0.90,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFZDQA4","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,"mockProduct":{"s":85,"v":{"sfid":"a6w8E0000009632QAA","sfdcName":"B&H 25/200 FINE GREY FF","ownerId":"0058E000007MQgfQAG","storefront":"B2BAUSECOMMERCE","startDate":1577836800000,"endDate":7258032000000,"averageRating":0.00,"taxable":false,"inventoryType":"STANDARD","b2BCCBarcode":"9310797002615","b2BCCProductCategory":"TMC","b2BCCSTMCode":"000000000075001150","sfdcCurrencyISOCode":"GBP","EProductMediasS":{"r":14},"shortDesc":"B&H 25/200 FINE GREY FF","id":"a6w8E0000009632QAA","sku":"10014887","ProductType":"Product","ProductStatus":"Released","qtyPerUnit":200.000000,"UnitOfMeasure":"CT","showSubscriptionSelection":false,"name":"B&H 25/200 FINE GREY FF","price":330.53}},"qtyIncrement":1,"SubAmount":0.00,"adjustment":0,"baseDiscount":0,"absoluteDiscount":0,"product":{"Id":"a6w8E0000009632QAA","ccrz__SKU__c":"10014887"}}},{"s":86,"v":{"sfid":"a5w8E000000LFZBQA4","sfdcName":"00068596","cart":"a5x8E000000ICRBQA4","quantity":1,"price":330.53,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":330.53,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":6,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":0.00,"b2BCCAvgSales8Weeks":0.30,"b2BCCAvgSales13Weeks":0.50,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFZBQA4","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,"mockProduct":{"s":87,"v":{"sfid":"a6w8E000000962OQAQ","sfdcName":"B&H 25/200 SMOOTH DRK BLUE FF","ownerId":"0058E000007MQgfQAG","storefront":"B2BAUSECOMMERCE","startDate":1577836800000,"endDate":7258032000000,"averageRating":0.00,"taxable":false,"inventoryType":"STANDARD","b2BCCBarcode":"9310797002516","b2BCCProductCategory":"TMC","b2BCCSTMCode":"000000000075001150","sfdcCurrencyISOCode":"GBP","EProductMediasS":{"r":5},"shortDesc":"B&H 25/200 SMOOTH DRK BLUE FF","id":"a6w8E000000962OQAQ","sku":"10014748","ProductType":"Product","ProductStatus":"Released","qtyPerUnit":200.000000,"UnitOfMeasure":"CT","showSubscriptionSelection":false,"name":"B&H 25/200 SMOOTH DRK BLUE FF","price":330.53}},"qtyIncrement":1,"SubAmount":330.53,"adjustment":0,"baseDiscount":0,"absoluteDiscount":0,"product":{"Id":"a6w8E000000962OQAQ","ccrz__SKU__c":"10014748"}}},{"s":88,"v":{"sfid":"a5w8E000000LFZAQA4","sfdcName":"00068595","cart":"a5x8E000000ICRBQA4","quantity":0,"price":330.53,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":0.00,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":5,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":1.00,"b2BCCAvgSales8Weeks":1.60,"b2BCCAvgSales13Weeks":2.10,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFZAQA4","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,"mockProduct":{"s":89,"v":{"sfid":"a6w8E000000962YQAQ","sfdcName":"B&H 25/200 CLASSIC RED FF","ownerId":"0058E000007MQgfQAG","storefront":"B2BAUSECOMMERCE","startDate":1577836800000,"endDate":7258032000000,"averageRating":0.00,"taxable":false,"inventoryType":"STANDARD","b2BCCBarcode":"9310797002011","b2BCCProductCategory":"TMC","b2BCCSTMCode":"000000000075001150","sfdcCurrencyISOCode":"GBP","EProductMediasS":{"r":8},"shortDesc":"B&H 25/200 CLASSIC RED FF","id":"a6w8E000000962YQAQ","sku":"10014816","ProductType":"Product","ProductStatus":"Released","qtyPerUnit":200.000000,"UnitOfMeasure":"CT","showSubscriptionSelection":false,"name":"B&H 25/200 CLASSIC RED FF","price":330.53}},"qtyIncrement":1,"SubAmount":0.00,"adjustment":0,"baseDiscount":0,"absoluteDiscount":0,"product":{"Id":"a6w8E000000962YQAQ","ccrz__SKU__c":"10014816"}}}]},"cartItemCount":1}},"inputContext":{"currentCartId":"b86853d1-2929-44bb-84de-826bb350ff59","currentPageName":"ccrz__ProductList","currentPageURL":"https://batuat-batglobalb2b.cs87.force.com/B2BAUSECOMMERCE/ccrz__ProductList?effectiveAccount=0010Y00001cdP0yQAE&refURL=https%3A%2F%2Fbatuat-batglobalb2b.cs87.force.com%2FB2BAustraliaCommunity%2Fs%2F","effAccountId":"0010Y00001cdP0yQAE","portalUserId":"","priceGroupId":"","queryParams":{"s":90,"v":{}},"storefront":"B2BAUSECOMMERCE","userIsoCode":"AUD","userLocale":"en_US"},"messages":{"s":91,"v":[]},"success":true}}]

Below is the code in Jmeter for the steps I have mentioned above

import org.apache.jmeter.threads.JMeterContext.TestLogicalAction;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Scanner;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import groovy.json.JsonSlurper;
import org.json.JSONArray;
import org.json.JSONObject;
import com.eclipsesource.json.*;

String Path = "\\fjsvdishares\85039042\Documents\2021\J-Meter\data.csv";


try 
    {
                      
           
         String test = org.apache.commons.io.FileUtils.readFileToString(new File(Path));
           
                Map map = new HashMap();

        map.put(vars.get("SKU"),vars.get("quantity"));
             
    
            JSONParser jsonParser = new JSONParser();                 
            JSONArray cartItemsList = null;
            JSONObject cartItemsObj = null;

                    

             String jsonString = vars.get("C_Totalresponse");

         
         JSONObject cartItemsObj = (JSONObject) jsonParser.parse(jsonString);
         SONArray cartItemsList = (JSONArray) cartItemsObj.get("cartItems");
          
          
            Iterator it = map.entrySet().iterator();
            while (it.hasNext() ) {

                Map.Entry pair = (Map.Entry)it.next();
                
                if(cartItemsList.size() > 0 ) {  

                    for(int i = 0; i < cartItemsList.size(); i++){

                        JSONObject object = (JSONObject) cartItemsList.get(i);

                        JSONObject productJsonObj = (JSONObject)object.get("product") ; 
                        
                        

                        if( productJsonObj.get("ccrz__SKU__c").toString() .equals(pair.getKey().toString()) ) {   

                            object.put("quantity" , pair.getValue()); 
                        }

                        
                          
                    }
                }
                    
            }
           
                   
       }

        catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
           e.printStackTrace();
        } catch (ParseException e) {
           e.printStackTrace();
        }

Error details are below :

2021-03-17 07:42:03,146 ERROR o.a.j.e.JSR223PostProcessor: Problem in JSR223 script, JSR223 PostProcessor javax.script.ScriptException: Sourced file: inline evaluation of: import org.apache.jmeter.samplers.SampleResult; import org.apache.jmeter.threads . . . '' : Typed variable declaration : at Line: 48 : in file: inline evaluation of: import org.apache.jmeter.samplers.SampleResult; import org.apache.jmeter.threads . . . ” : ( JSONObject ) jsonParser .parse ( jsonString )

Target exception: java.lang.ClassCastException: Cannot cast org.json.simple.JSONArray to org.json.JSONObject in inline evaluation of: “import org.apache.jmeter.samplers.SampleResult; import org.apache.jmeter.threads . . . ” at line number 48

Answer

I tried many posts for Beanshell processor code to read data from haspmap and use hashmap to update data in json request array values. Many people have suggested to use groovyJSR223 processor. Here is the code below in beanshell which will be helpful to many users whose requestsquestions we left unanswered.

import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jmeter.threads.JMeterContext.TestLogicalAction;
import java.io.*;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.BufferedReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;  
import java.util.Map;
import java.util.Scanner;
import java.util.Arrays;
import java.util.*;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.json.JSONArray;
import org.json.JSONObject;


String Path = "\\fjsvdishares\Documents\2021\J-Meter\data.csv";


try 
    {
                      
         BufferedReader br = new BufferedReader(new FileReader(Path));
               Map map = null;
               Map map = new HashMap(); //Creating hashmap
             String line =  null;
            while((line=br.readLine())!=null){  //writing data into hashmap from csv file
        
               StringTokenizer st = new StringTokenizer(line, ","); 
               
                       while ( st.hasMoreElements() ){
                        
                          String key = st.nextToken();
                            String value = st.nextToken();
                            map.put(key,value);
                       
                         }
  
                    } 
          
        
         
           String jsonString = vars.get("C_cartItems"); //reading json request into string          
         
           
               //code to fetch skus in request and update the quanity for the select sku 
          
        JSONArray jsonArray=new JSONArray(jsonString); 
        
            Iterator it = map.entrySet().iterator();
            int count =0;
            while (it.hasNext() ) {
                //Getting the first pair values from map object
                Map.Entry pair = (Map.Entry)it.next();

                if(jsonArray.length() > 0 ) {
                    //Iterating through the cartitem list
                    for(int i = 0; i < jsonArray.length(); i++){
                        //Getting the first cartlist item
                        JSONObject object = (JSONObject) jsonArray.getJSONObject(i);
                    JSONObject insideVObject = (JSONObject)object.getJSONObject("v") ;
                        JSONObject productJsonObj = (JSONObject)insideVObject.getJSONObject("product") ;

                                                    
                        
                       //Checking the Sku value from cartitem and map
                        if( productJsonObj.get("ccrz__SKU__c").equals(pair.getKey()) ) {      
                            //updating the quantity value with new value
                            object.put("quantity" , pair.getValue()); 
                            count++;
                        }
                          
                    }
                }
                    
                
            }   

           // log.info(count + " ...items updated");
           // log.info(" resultJson   ...." +jsonArray);
          
                   
       }

        catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
           e.printStackTrace();
        } catch (ParseException e) {
           e.printStackTrace();
        }