Getting noSuchMethod() { [native code] } is not a constructor function

Question

I am getting this wired error in jmeter, "function noSuchMethod() { [native code] } is not a constructor function" when I try to look for logout element and click on it. So I have couple functions written in the Webdriver sampler and if I try to logout without calling the other function then it works normally. In the below code if I run the verifyEmailBatchListed(emailBatchName,counterVal) script then the logout function is failing to find the element and throwing this noSuchMethod error. I am not sure what wrong I am doing. I even checked if the element is not in view and tried to scroll the element in to view. Its something to do with the function verifyEmailBatchListed which I am totally missing something.

var selenium = org.openqa.selenium
var time = JavaImporter(java.util.concurrent.TimeUnit)
var support_ui = JavaImporter(org.openqa.selenium.support.ui)
var EC = org.openqa.selenium.support.ui.ExpectedConditions
var io = JavaImporter(java.io)
var sleepThr = java.lang.Thread
var counterVal = WDS.vars.get("counter");
WDS.props.put("userNum", counterVal)
var filePath = WDS.vars.get('FileLocation')
var fileTimer = WDS.vars.get('timer')
var ENV = WDS.args[0]

WDS.sampleResult.sampleStart()
WDS.browser.get(BaseURL)
login()
uploadFile()
clickSubmitBtn(submitButtonState,fileTimer)
verifyEmailBatchListed(emailBatchName,counterVal)
WDS.log.info("return value is "+value)
logout()
WDS.sampleResult.sampleEnd()

function verifyEmailBatchListed(emailBatchName,counterVal) {
  WDS.props.put("emailBatchId_user" + counterVal, "")
  var round = 1
try{
  do {
    WDS.log.info("attempting to check for the email batch exist- " + round)
    WDS.browser.navigate().refresh()
    emailBatchlistItem = waitByElement(selenium.By.xpath("//span[contains(text(),'" + emailBatchName + "')]"), EC.presenceOfAllElementsLocatedBy, 120)
//    emailBatchlistItem.get(0).click()
    //        sleepThr.sleep(2000)
    if (undefined !== emailBatchlistItem && emailBatchlistItem.length != 0) {
      emailBatchlistItem.get(0).click()
      var emailBatchOverview = waitByElement(selenium.By.xpath("//div[contains(@data-testid,\"email-dumps-overview-loading-false\")]"), EC.presenceOfElementLocated, 60)
      var checkStateCt = 0
      var EmailBatchUploadState
      var runCleanup = false
      try {
        do {            
          WDS.log.info("attempting to check for the state- " + checkStateCt)
          EmailBatchUploadState = waitByElement(selenium.By.xpath("//p[contains(text(),'Email Batch Status')]/following-sibling::div[contains(@class,'editField__target')]/p"), EC.presenceOfElementLocated, 60)
          var uploadState = EmailBatchUploadState.getText()
          WDS.log.info("The file batch '" + emailBatchName + "' is displayed in the email batches list and has status as - " + uploadState)
          if (uploadState == "COMPLETED") {
            runCleanup = true
            WDS.log.info("The email batch will be deleted")
            break;
          }
          else if (checkStateCt == 3) {
            WDS.log.info("The email batch will not be deleted")
            break;
          }
          else {
            sleepThr.sleep(2000)
            WDS.browser.navigate().refresh()
              emailBatchlistItem = waitByElement(selenium.By.xpath("//span[contains(text(),'" + emailBatchName + "')]"), EC.presenceOfAllElementsLocatedBy, 120)
              emailBatchlistItem.get(0).click()
          }
          checkStateCt++
        } while (checkStateCt <= 3)
      } catch (err) {
        WDS.log.error(err.message)
      }
      WDS.props.put("runCleanup", runCleanup)
      var emailBatchIdText = WDS.browser.findElement(selenium.By.xpath("//span[contains(text(),'" + emailBatchName + "')]/../parent::li")).getAttribute("data-testid")
      var emailBatchId = emailBatchIdText.substring(emailBatchIdText.length() - 3);
      WDS.log.info("emailBatchId_user" + counterVal + " in WDS is " + emailBatchId);
      WDS.props.put("emailBatchId_user" + counterVal, emailBatchId)
      break;
    }
    else if (round == 4) {
      WDS.log.info("The file batch '" + emailBatchName + "' is not displayed in the email batches list")
      break;
    } else {
            sleepThr.sleep(2000)
    }
    round++
  } while (round <= 4)
  WDS.log.info("done checking for the email batch item in the list")
  } catch (err) {
    WDS.log.error(err.message)
  }
}

function logout() {
  WDS.log.info("pass 4")
  WDS.browser.switchTo().defaultContent();
  WDS.browser.executeScript("window.scrollTo(document.body.scrollHeight, 0)");
  //    WDS.browser.navigate().refresh()
  takeScreenshot('screenshot_beforeLogout')
  WDS.browser.findElement(selenium.By.xpath("//li[@data-selenium='/getting-started']")).click()
  var btnlist = waitByElement(selenium.By.xpath("//div[@data-testid='subbar']//button"), EC.presenceOfAllElementsLocatedBy, 60)
  WDS.log.info("List of buttons are " + btnlist.length)
  for (var b = 0; b < btnlist.length; b++) {
    var btnTitle = btnlist.get(b).getAttribute("title")
    WDS.log.info("the btn attribute is " + btnTitle)
    if (btnTitle == "User Options") {

      btnlist.get(b).click();
      WDS.browser.findElement(selenium.By.cssSelector("button[data-testid='logout']")).click();
      var userNameField = waitByElement(selenium.By.xpath("//*[contains(text(),'Disclaimer')]"), EC.presenceOfElementLocated, 60)
      takeScreenshot('screenshot_loggedout')
    }
  }
}

function waitByElement(elementBy, conditionToExpect, timer) {
  try {
    var wait = new support_ui.WebDriverWait(WDS.browser, timer)
    element = wait.until(conditionToExpect(elementBy));
    return element;
  } catch (error) {
    WDS.log.error(error.message)
  }
}

Log trace

2022-04-11 10:56:19,333 INFO c.g.j.p.w.s.WebDriverSampler: Load the application
2022-04-11 10:56:24,414 INFO c.g.j.p.w.s.WebDriverSampler: Disclaimer screen displayed and clicking on Agree button
2022-04-11 10:56:25,851 INFO c.g.j.p.w.s.WebDriverSampler: Enter the Credentials and click on Login
2022-04-11 10:56:29,917 INFO c.g.j.p.w.s.WebDriverSampler: Taking screenshots for: Screenshot_Logging
2022-04-11 10:56:30,149 INFO c.g.j.p.w.s.WebDriverSampler: Select Email Batches menu
2022-04-11 10:56:30,928 INFO c.g.j.p.w.s.WebDriverSampler: Click on Upload Email link
2022-04-11 10:56:31,068 INFO c.g.j.p.w.s.WebDriverSampler: Select an email file to Upload
2022-04-11 10:56:32,823 INFO c.g.j.p.w.s.WebDriverSampler: Enter email batch details
2022-04-11 10:56:33,168 INFO c.g.j.p.w.s.WebDriverSampler: Selecting the file portfolio type
2022-04-11 10:56:34,814 INFO c.g.j.p.w.s.WebDriverSampler: Got list of SM portfolios: 30
2022-04-11 10:56:34,815 INFO c.g.j.p.w.s.WebDriverSampler: Selecting suggested portfoilio item
2022-04-11 10:56:34,857 INFO c.g.j.p.w.s.WebDriverSampler: Selecting portfolio name: test
2022-04-11 10:56:35,169 INFO c.g.j.p.w.s.WebDriverSampler: Taking screenshots for: screenshot_SelectSuggestedPortfolio
2022-04-11 10:56:35,964 INFO c.g.j.p.w.s.WebDriverSampler: Taking screenshots for: screenshot_beforeUpload
2022-04-11 10:56:36,242 INFO c.g.j.p.w.s.WebDriverSampler: Click Upload submit button
2022-04-11 10:56:36,263 INFO c.g.j.p.w.s.WebDriverSampler: Taking screenshots for: screenshot_clickingUploadBtn
2022-04-11 10:56:37,567 INFO c.g.j.p.w.s.WebDriverSampler: Waiting for loading image displayed
2022-04-11 10:56:37,657 INFO c.g.j.p.w.s.WebDriverSampler: Taking screenshots for: screenshot_AfterUpload
2022-04-11 10:56:38,301 INFO c.g.j.p.w.s.WebDriverSampler: Waiting for loading image removed
2022-04-11 10:56:38,959 INFO c.g.j.p.w.s.WebDriverSampler: Taking screenshots for: screenshot_Noloadingimage
2022-04-11 10:56:39,452 INFO c.g.j.p.w.s.WebDriverSampler: Taking screenshots for: screenshot_UploadPercentage
2022-04-11 10:56:39,883 INFO c.g.j.p.w.s.WebDriverSampler: File started uploading
2022-04-11 10:56:39,917 INFO c.g.j.p.w.s.WebDriverSampler: current upload percent 0
2022-04-11 10:56:57,489 INFO c.g.j.p.w.s.WebDriverSampler: Email batch upload processed succesfully in 17 secs
2022-04-11 10:56:57,490 INFO c.g.j.p.w.s.WebDriverSampler: Taking screenshots for: screenshot_UploadCompleted
2022-04-11 10:56:57,980 INFO c.g.j.p.w.s.WebDriverSampler: attempting to check for the email batch exist- 1
2022-04-11 10:57:02,859 INFO c.g.j.p.w.s.WebDriverSampler: attempting to check for the state- 0
2022-04-11 10:57:02,909 INFO c.g.j.p.w.s.WebDriverSampler: The file batch 'Uploaded from Jmeter_VLK' is displayed in the email batches list and has status as - COMPLETED
2022-04-11 10:57:02,910 INFO c.g.j.p.w.s.WebDriverSampler: The email batch will be deleted
2022-04-11 10:57:02,960 INFO c.g.j.p.w.s.WebDriverSampler: emailBatchId_user1 in WDS is 711
2022-04-11 10:57:02,961 INFO c.g.j.p.w.s.WebDriverSampler: done checking for the email batch item in the list
2022-04-11 10:57:02,968 INFO c.g.j.p.w.s.WebDriverSampler: pass 4
2022-04-11 10:57:03,004 INFO c.g.j.p.w.s.WebDriverSampler: Taking screenshots for: screenshot_beforeLogout
2022-04-11 10:57:03,326 ERROR c.g.j.p.w.s.WebDriverSampler: function __noSuchMethod__() { [native code] } is not a constructor function
2022-04-11 10:57:03,328 ERROR c.g.j.p.w.s.WebDriverSampler: TypeError: Cannot read property "length" from undefined in <eval> at line number 291
2022-04-11 10:57:03,328 INFO o.a.j.t.JMeterThread: Thread is done: Upload Email batches 2-1
2022-04-11 10:57:03,329 INFO o.a.j.t.JMeterThread: Thread finished: Upload Email batches 2-1
2022-04-11 10:57:03,945 INFO o.a.j.e.StandardJMeterEngine: Notifying test listeners of end of test
2022-04-11 10:57:03,946 INFO o.a.j.s.FileServer: Close: C:/Dev/jmeter/apache-jmeter-5.4.3/bin/Test data set/UploadTestEmailBatchesFile.csv
2022-04-11 10:57:03,948 INFO o.a.j.g.u.JMeterMenuBar: setRunning(false, *local*)

score 1 · Answer 1 · answered Apr 12 '22 at 06:30

1

It looks like that your btnlist object doesn't have length property defined, you need to inspect your waitByElement() function and double check the type of object it returns

If you want to get a comprehensive answer you're supposed to share the full code or at least a minimal reproducible example because your current piece is incomplete and doesn't tell the full story.

In the meantime you can check The WebDriver Sampler: Your Top 10 Questions Answered article for more details.

answered Apr 12 '22 at 06:30

Dmitri T

159,985
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Hi @Dmitri T, Thanks. I even checked each and every step and I am able to resolve the issue. The culprit was with this line `var support_ui = JavaImporter(org.openqa.selenium.support.ui)`. After removing the JavaImporter then it started working. But the question is in the whole script I used the support_ui.WebdriverWait many times and it just gave the issue only on the particular element. Also if I skip running the verifyEmailBatchListed function then also it worked. Not sure why that particular scenario it didn't work. As per your request I have added the waitByElement function also. – Vin Apr 13 '22 at 12:45

Getting __noSuchMethod__() { [native code] } is not a constructor function

1 Answers1

Getting noSuchMethod() { [native code] } is not a constructor function