Python Selenium problem: element state is invalid

Question

Python Selenium problem: element state is invalid

Encountering an error message stating "invalid element state" while utilizing the Chrome driver for selenium.

The task at hand involves inputting data into

The initial problem arises when attempting to utilize the .click() method on the checkbox labeled "Nachnahme," resulting in no action being taken, and the checkbox remaining unchecked.

Upon manually checking the box, the page refreshes, revealing additional fields that are to be accessed.

The second issue arises when trying to enter data using the .send_keys() method, triggering the "invalid element state" error.

The current code snippet is as follows:

from selenium import webdriver
driver = webdriver.Chrome('C:\\Users\\Owner\\AppData\\Local\\Programs\\Python\\Python36-32\\Lib\\site-packages\\chromedriver.exe')
driver.get('http://www.dhl.de/onlinefrankierung')
product_element = driver.find_element(by='id', value='bpc_PAK02')
product_element.click()
services_element = driver.find_element(by='id', value='sc_NNAHME')
services_element.click()
address_element_name = driver.find_element(by='name', value='formModel.sender.name')
address_element_name.send_keys("JackBlack")

ERROR: C:\Users\Owner\AppData\Local\Programs\Python\Python36-32\python.exe "C:/Users/Owner/Desktop/UpWork/Marvin Sessner/script.py" Traceback (most recent call last): File "C:/Users/Owner/Desktop/UpWork/Marvin Sessner/script.py", line 23, in address_element_name.send_keys("tester") File "C:\Users\Owner\AppData\Roaming\Python\Python36\site-packages\selenium\webdriver\remote\webelement.py", line 352, in send_keys 'value': keys_to_typing(value)}) File "C:\Users\Owner\AppData\Roaming\Python\Python36\site-packages\selenium\webdriver\remote\webelement.py", line 501, in _execute return self._parent.execute(command, params) File "C:\Users\Owner\AppData\Roaming\Python\Python36\site-packages\selenium\webdriver\remote\webdriver.py", line 308, in execute self.error_handler.check_response(response) File "C:\Users\Owner\AppData\Roaming\Python\Python36\site-packages\selenium\webdriver\remote\errorhandler.py", line 194, in check_response raise exception_class(message, screen, stacktrace) selenium.common.exceptions.InvalidElementStateException: Message: invalid element state (Session info: chrome=HIDDEN) (Driver info: chromedriver=HIDDEN (5b82f2d2aae0ca24b877009200ced9065a772e73),platform=Windows NT 10.0.15063 x86_64)

python selenium

Answer 1

Answer №1

By adding a brief pause between two operations, the issue was successfully resolved. The provided code is now functioning flawlessly.

Before anyone criticizes or comments on the pause solution, it should be noted that this is not the optimal fix. Indeed, it is not

However, the reason behind the initial problem has been identified: initiating an AJAX request with one action and attempting another action before it completes creates the issue.

While it would be more efficient to implement a conditional check to wait for completion of the first action, in the meantime, the temporary workaround provided is effective.

import time
from selenium import webdriver

driver = webdriver.Chrome('h:\\bin\\chromedriver.exe')
driver.get('http://www.dhl.de/onlinefrankierung')

product_element = driver.find_element(by='id', value='bpc_PAK02')
product_element.click()
time.sleep(5)

services_element = driver.find_element(by='id', value='sc_NNAHME')
services_element.click()
time.sleep(5)

address_element_name = driver.find_element(by='name', value='formModel.sender.name')
address_element_name.send_keys("JackBlack")

Answer 2

By adding a brief pause between two operations, the issue was successfully resolved. The provided code is now functioning flawlessly.

Before anyone criticizes or comments on the pause solution, it should be noted that this is not the optimal fix. Indeed, it is not

However, the reason behind the initial problem has been identified: initiating an AJAX request with one action and attempting another action before it completes creates the issue.

While it would be more efficient to implement a conditional check to wait for completion of the first action, in the meantime, the temporary workaround provided is effective.

import time
from selenium import webdriver

driver = webdriver.Chrome('h:\\bin\\chromedriver.exe')
driver.get('http://www.dhl.de/onlinefrankierung')

product_element = driver.find_element(by='id', value='bpc_PAK02')
product_element.click()
time.sleep(5)

services_element = driver.find_element(by='id', value='sc_NNAHME')
services_element.click()
time.sleep(5)

address_element_name = driver.find_element(by='name', value='formModel.sender.name')
address_element_name.send_keys("JackBlack")

Answer 3

Answer №2

By utilizing explicit waits, you can often prevent encountering this error message. Specifically, when dealing with elements that can be interacted with (such as inputs, buttons, selects, etc.), you have the option to wait for them to become clickable. Below is a solution tailored to your situation.

from selenium import webdriver
from selenium.webdriver.common import utils
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

def waitForElementClickable(timeout=5, method='id', locator=None):
    try:
        element = WebDriverWait(driver, timeout).until(
            EC.element_to_be_clickable((method, locator))
        )
        print("The element", method + '=' + locator, "is now clickable.")
        return element
    except Exception:
        print("The element", method + '=' + locator, "is NOT clickable.")
        raise

options = Options()
options.add_argument('--disable-infobars')
driver = webdriver.Chrome(chrome_options=options)
driver.get('http://www.dhl.de/onlinefrankierung')

product_element = waitForElementClickable(method='id', locator='bpc_PAK02')
product_element.click()

services_element = waitForElementClickable(method='id', locator='sc_NNAHME')
services_element.click()

address_element_name = waitForElementClickable(method='name', locator='formModel.sender.name')
address_element_name.send_keys("JackBlack")

Answer 4

By utilizing explicit waits, you can often prevent encountering this error message. Specifically, when dealing with elements that can be interacted with (such as inputs, buttons, selects, etc.), you have the option to wait for them to become clickable. Below is a solution tailored to your situation.

from selenium import webdriver
from selenium.webdriver.common import utils
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

def waitForElementClickable(timeout=5, method='id', locator=None):
    try:
        element = WebDriverWait(driver, timeout).until(
            EC.element_to_be_clickable((method, locator))
        )
        print("The element", method + '=' + locator, "is now clickable.")
        return element
    except Exception:
        print("The element", method + '=' + locator, "is NOT clickable.")
        raise

options = Options()
options.add_argument('--disable-infobars')
driver = webdriver.Chrome(chrome_options=options)
driver.get('http://www.dhl.de/onlinefrankierung')

product_element = waitForElementClickable(method='id', locator='bpc_PAK02')
product_element.click()

services_element = waitForElementClickable(method='id', locator='sc_NNAHME')
services_element.click()

address_element_name = waitForElementClickable(method='name', locator='formModel.sender.name')
address_element_name.send_keys("JackBlack")

Python Selenium problem: element state is invalid

Answer №1

Answer №2

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