To print JMeter results in txt file

[Mohd Sarfraz]

Hi Experts,

I have this JSR223 Listener with this code to print all the responses into a txt file.

I have this response in View Results Tree and there are too many like this, 

{
  "Responses": [
    {
      "P_name":"ABC",
      "P_id":"123",
      "P_Remarks":"Ok",
      "P_Description":"XYZ",
      "P_Status":"Success",
      "P_Response": " ", this is too long and i want to filter it out
      "P_date": "2025-08-09"
},
{
      "P_name":"ABC2",
      "P_id":"124",
      "P_Remarks":"Ok",
      "P_Description":"XYZ2",
      "P_Status":"Success",
      "P_Response": " ", this is too long and i want to filter it out
      "P_date": "2025-08-09"
}
  ]
}

Case-1

I want to print all the fields except "P_Response" but where "P_id":"123", & "P_id":"124", only selected ones

How can i achieve this?

Note: There are too many P_id in the response.

Case-2

I want to print the entire response into the txt file but do not want to print  "P_Response"  as this is too long and I want to filter it out from the txt file.

How can i achieve this?

Sincerely

Mohd Sarfraz

[sebi...@gmail.com]

Hello from the other side,

  First of all, you can use StringToFile function to put any string into any file

  To play with JSON you can use JSON JMESPath Extractor

  You can use Dummy Sampler and in Response put your text to be extracted with  JSON JMESPath Extractor

 

Best regards,

Sebi

[Shaik Salim]

You need to use beanshell script for this I will work out and send it later

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[Mohd Sarfraz]

Thats what I am aware, here requirements are different based on given condition. 

I want to filter out the results wrt P_id 

[Shaik Salim]

import groovy.json.JsonSlurper

import groovy.json.JsonOutput

// Read response

def response = prev.getResponseDataAsString()

// Parse JSON

def json = new JsonSlurper().parseText(response)

// Remove "P_Response" from every object

json.each { item ->

    item.remove("P_Response")

}

// Convert back to JSON string

def filteredJson = JsonOutput.prettyPrint(JsonOutput.toJson(json))

// Write to file

def filePath = "filtered_response.txt" // Change to your desired path

new File(filePath).text = filteredJson

log.info("Filtered response saved to: " + filePath)

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[Mohd Sarfraz]

Hi 

Salim, 

I am observing this error.

2025-08-11 15:27:16,604 ERROR o.a.j.e.JSR223PostProcessor: Problem in JSR223 script, JSR223 PostProcessor

javax.script.ScriptException: groovy.lang.MissingMethodException: No signature of method: java.util.LinkedHashMap$Entry.remove() is applicable for argument types: (String) values: [quote_response_xml__c]
Possible solutions: getAt(java.lang.String)

    at org.codehaus.groovy.jsr223.GroovyScriptEngineImpl.eval(GroovyScriptEngineImpl.java:320) ~[groovy-jsr223-3.0.17.jar:3.0.17]

    at org.codehaus.groovy.jsr223.GroovyCompiledScript.eval(GroovyCompiledScript.java:71) ~[groovy-jsr223-3.0.17.jar:3.0.17]

    at javax.script.CompiledScript.eval(CompiledScript.java:89) ~[java.scripting:?]

    at org.apache.jmeter.util.JSR223TestElement.processFileOrScript(JSR223TestElement.java:230) ~[ApacheJMeter_core.jar:5.6.2]

    at org.apache.jmeter.extractor.JSR223PostProcessor.process(JSR223PostProcessor.java:45) [ApacheJMeter_components.jar:5.6.2]

    at org.apache.jmeter.threads.JMeterThread.runPostProcessors(JMeterThread.java:973) [ApacheJMeter_core.jar:5.6.2]

    at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:585) [ApacheJMeter_core.jar:5.6.2]

    at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:501) [ApacheJMeter_core.jar:5.6.2]

    at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:268) [ApacheJMeter_core.jar:5.6.2]

    at java.lang.Thread.run(Thread.java:829) [?:?]

Sincerely

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[Shaik Salim]

To create a BeanShell script for JMeter that performs the same actions as the Groovy script you provided, you'll need to use Java syntax to handle JSON parsing and file operations. Here's a script that accomplishes this.

BeanShell Script for JMeter

import org.apache.jmeter.protocol.java.sampler.JMeterJavaSampler;

import org.json.JSONArray;

import org.json.JSONObject;

import org.json.JSONTokener;

import org.apache.commons.io.FileUtils;

// Get the response data from the previous sampler

String response = prev.getResponseDataAsString();

// Parse the JSON string

JSONArray jsonArray = new JSONArray(new JSONTokener(response));

// Iterate through the array and remove the "P_Response" key from each object

for (int i = 0; i < jsonArray.length(); i++) {

    JSONObject jsonObject = jsonArray.getJSONObject(i);

    if (jsonObject.has("P_Response")) {

        jsonObject.remove("P_Response");

    }

}

// 

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[Dmitri T]

You can try the following code:

def data = new groovy.json.JsonSlurper().parse(prev.getResponseData())


data.Responses = data.Responses.findAll {
it.P_id in ["123", "124"]
}.collect { response ->
response.findAll { key, value -> key != "P_Response" }
}

def jsonBuilder = new groovy.json.JsonBuilder(data)
new File('test.txt').text = jsonBuilder.toPrettyString()

More information:

• Apache Groovy - Parsing and producing JSON
• Apache Groovy: What Is Groovy Used For?