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Posted to notifications@superset.apache.org by "moshhi (via GitHub)" <gi...@apache.org> on 2025/07/03 12:00:32 UTC
[D] The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again [superset]
GitHub user moshhi created a discussion: The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again
My Superset version is 4.1.2. I have successfully installed Chrome and ChromeDriver, and I have moved chromedriver to the /usr/local/bin/ directory and given it executable permissions.
ChromeDriver version:
ubuntu@hostnm231:~/Downloads$ chromedriver --version
ChromeDriver 138.0.7204.92 (f079b9bc781e3c2adb1496ea1d72812deb0ddb3d-refs/branch-heads/7204_50@{#8})
My superset_config.py configuration related to screenshots is as follows:
SCREENSHOT_LOCATOR = "https://localhost:8088" # Make sure the screenshot service is running locally or at a specified address
ENABLE_CELERY_REPORTS = True # Enable Celery for asynchronous report generation
# If you need to specify the WebDriver path directly in Superset (usually not necessary)
WEBDRIVER_TYPE = "chrome"
WEBDRIVER_EXECUTABLE_PATH = "/usr/local/bin/chromedriver"
WEBDRIVER_OPTION_ARGS = [
"--headless", # Headless mode
"--disable-gpu",
"--no-sandbox",
"--disable-dev-shm-usage",
]
When my report sends an email using images — that is, when the screenshot feature is used — I encounter the following error:
Traceback (most recent call last):
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/tasks/scheduler.py", line 95, in execute
).run()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 266, in wrapped
return on_error(ex)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 236, in on_error
raise ex
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 259, in wrapped
result = func(*args, **kwargs)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 799, in run
).run()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 266, in wrapped
return on_error(ex)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 236, in on_error
raise ex
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 259, in wrapped
result = func(*args, **kwargs)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 761, in run
).next()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 629, in next
self.send()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 527, in send
notification_content = self._get_notification_content()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 410, in _get_notification_content
screenshot_data = self._get_screenshots()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 268, in _get_screenshots
raise ReportScheduleScreenshotFailedError(
superset.commands.report.exceptions.ReportScheduleScreenshotFailedError: Failed taking a screenshot Message: Selenium Manager failed for: /home/ubuntu/venv/lib/python3.10/site-packages/selenium/webdriver/common/linux/selenium-manager --browser chrome --output json.
error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again
What is the cause of this issue, and how can it be resolved?
@dosu
GitHub link: https://github.com/apache/superset/discussions/34053
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Re: [D] The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again [superset]
Posted by "dosubot[bot] (via GitHub)" <gi...@apache.org>.
GitHub user dosubot[bot] added a comment to the discussion: The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again
<!-- Answer -->
The root cause is that Superset ignores the WEBDRIVER_EXECUTABLE_PATH setting and, unless told otherwise, Selenium Manager tries to download ChromeDriver from the internet. This triggers the DNS error you’re seeing when your environment can’t reach https://chromedriver.storage.googleapis.com.
To fix this, you need to specify the path to your local ChromeDriver in the WEBDRIVER_CONFIGURATION['service'] dictionary in your superset_config.py. Here’s how you can do it:
```python
WEBDRIVER_TYPE = "chrome"
WEBDRIVER_OPTION_ARGS = [
"--headless",
"--disable-gpu",
"--no-sandbox",
"--disable-dev-shm-usage",
]
WEBDRIVER_CONFIGURATION = {
"service": {
"executable_path": "/usr/local/bin/chromedriver",
"log_output": "/dev/null",
"service_args": [],
"port": 0,
"env": {},
},
"options": {
"capabilities": {},
"preferences": {},
"binary_location": "",
},
}
```
This tells Superset and Selenium to use your local ChromeDriver and bypass Selenium Manager, resolving the DNS error. The WEBDRIVER_EXECUTABLE_PATH setting is not used by Superset and has no effect in this context [reference](https://github.com/apache/superset/blob/23b1fe3b9ebfbde7ccd3c40fcd7a60b6c5ab06df/superset/utils/webdriver.py).
Make sure your ChromeDriver version matches your installed Chrome version for best results. If you still see issues, double-check permissions and that the path is correct.
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GitHub link: https://github.com/apache/superset/discussions/34053#discussioncomment-13651933
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Re: [D] The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again [superset]
Posted by "moshhi (via GitHub)" <gi...@apache.org>.
GitHub user moshhi deleted a comment on the discussion: The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again
I added conf to superset_config.py:
SCREENSHOT_LOCATOR = "https://localhost:8088"
ENABLE_CELERY_REPORTS = True
WEBDRIVER_TYPE = "chrome"
WEBDRIVER_OPTION_ARGS = [
"--headless",
"--disable-gpu",
"--no-sandbox",
"--disable-dev-shm-usage",
]
WEBDRIVER_CONFIGURATION = {
"service": {
"executable_path": "/usr/local/bin/chromedriver",
"log_output": "/var/log/superset",
"service_args": [],
"port": 0,
"env": {},
},
"options": {
"capabilities": {},
"preferences": {},
"binary_location": "",
},
}
but occurred another exception：
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/tasks/scheduler.py", line 95, in execute
).run()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 266, in wrapped
return on_error(ex)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 236, in on_error
raise ex
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 259, in wrapped
result = func(*args, **kwargs)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 799, in run
).run()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 266, in wrapped
return on_error(ex)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 236, in on_error
raise ex
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 259, in wrapped
result = func(*args, **kwargs)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 761, in run
).next()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 629, in next
self.send()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 527, in send
notification_content = self._get_notification_content()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 410, in _get_notification_content
screenshot_data = self._get_screenshots()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 268, in _get_screenshots
raise ReportScheduleScreenshotFailedError(
superset.commands.report.exceptions.ReportScheduleScreenshotFailedError: Failed taking a screenshot 'dict' object has no attribute 'path'
[2025-07-03 20:19:00,189: INFO/ForkPoolWorker-3] Task reports.execute[e6680661-7157-4c2d-9349-c91c048062cc] succeeded in 0.12940556497778744s: None
What is the cause of this issue, and how can it be resolved?
@dosu
GitHub link: https://github.com/apache/superset/discussions/34053#discussioncomment-13652086
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Re: [D] The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again [superset]
Posted by "dosubot[bot] (via GitHub)" <gi...@apache.org>.
GitHub user dosubot[bot] edited a comment on the discussion: The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again
<!-- Answer -->
The root cause is that Superset ignores the WEBDRIVER_EXECUTABLE_PATH setting and, unless told otherwise, Selenium Manager tries to download ChromeDriver from the internet. This triggers the DNS error you’re seeing when your environment can’t reach https://chromedriver.storage.googleapis.com.
To fix this, you need to specify the path to your local ChromeDriver in the WEBDRIVER_CONFIGURATION['service'] dictionary in your superset_config.py. Here’s how you can do it:
```python
WEBDRIVER_TYPE = "chrome"
WEBDRIVER_OPTION_ARGS = [
"--headless",
"--disable-gpu",
"--no-sandbox",
"--disable-dev-shm-usage",
]
WEBDRIVER_CONFIGURATION = {
"service": {
"executable_path": "/usr/local/bin/chromedriver",
"log_output": "/dev/null",
"service_args": [],
"port": 0,
"env": {},
},
"options": {
"capabilities": {},
"preferences": {},
"binary_location": "",
},
}
```
This tells Superset and Selenium to use your local ChromeDriver and bypass Selenium Manager, resolving the DNS error. The WEBDRIVER_EXECUTABLE_PATH setting is not used by Superset and has no effect in this context [reference](https://github.com/apache/superset/blob/23b1fe3b9ebfbde7ccd3c40fcd7a60b6c5ab06df/superset/utils/webdriver.py).
Make sure your ChromeDriver version matches your installed Chrome version for best results. If you still see issues, double-check permissions and that the path is correct.
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GitHub link: https://github.com/apache/superset/discussions/34053#discussioncomment-13651933
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Re: [D] The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again [superset]
Posted by "moshhi (via GitHub)" <gi...@apache.org>.
GitHub user moshhi edited a comment on the discussion: The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again
I added conf to superset_config.py:
SCREENSHOT_LOCATOR = "https://localhost:8088"
ENABLE_CELERY_REPORTS = True
WEBDRIVER_TYPE = "chrome"
WEBDRIVER_OPTION_ARGS = [
"--headless",
"--disable-gpu",
"--no-sandbox",
"--disable-dev-shm-usage",
]
WEBDRIVER_CONFIGURATION = {
"service": {
"executable_path": "/usr/local/bin/chromedriver",
"log_output": "/var/log/superset",
"service_args": [],
"port": 0,
"env": {},
},
"options": {
"capabilities": {},
"preferences": {},
"binary_location": "",
},
}
but occurred another exception：
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/tasks/scheduler.py", line 95, in execute
).run()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 266, in wrapped
return on_error(ex)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 236, in on_error
raise ex
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 259, in wrapped
result = func(*args, **kwargs)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 799, in run
).run()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 266, in wrapped
return on_error(ex)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 236, in on_error
raise ex
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 259, in wrapped
result = func(*args, **kwargs)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 761, in run
).next()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 629, in next
self.send()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 527, in send
notification_content = self._get_notification_content()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 410, in _get_notification_content
screenshot_data = self._get_screenshots()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 268, in _get_screenshots
raise ReportScheduleScreenshotFailedError(
superset.commands.report.exceptions.ReportScheduleScreenshotFailedError: Failed taking a screenshot 'dict' object has no attribute 'path'
[2025-07-03 20:19:00,189: INFO/ForkPoolWorker-3] Task reports.execute[e6680661-7157-4c2d-9349-c91c048062cc] succeeded in 0.12940556497778744s: None
What is the cause of this issue, and how can it be resolved?
@dosu
GitHub link: https://github.com/apache/superset/discussions/34053#discussioncomment-13652086
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Re: [D] The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again [superset]
Posted by "moshhi (via GitHub)" <gi...@apache.org>.
GitHub user moshhi edited a discussion: The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again
My Superset version is 4.1.2. I have successfully installed Chrome and ChromeDriver, and I have moved chromedriver to the /usr/local/bin/ directory and given it executable permissions.
ChromeDriver version:
ubuntu@hostnm231:~/Downloads$ chromedriver --version
ChromeDriver 138.0.7204.92 (f079b9bc781e3c2adb1496ea1d72812deb0ddb3d-refs/branch-heads/7204_50@{#8})
My superset_config.py configuration related to screenshots is as follows:
SCREENSHOT_LOCATOR = "https://localhost:8088" # Make sure the screenshot service is running locally or at a specified address
ENABLE_CELERY_REPORTS = True # Enable Celery for asynchronous report generation
WEBDRIVER_TYPE = "chrome"
WEBDRIVER_EXECUTABLE_PATH = "/usr/local/bin/chromedriver"
WEBDRIVER_OPTION_ARGS = [
"--headless", # Headless mode
"--disable-gpu",
"--no-sandbox",
"--disable-dev-shm-usage",
]
When my report sends an email using images — that is, when the screenshot feature is used — I encounter the following error:
Traceback (most recent call last):
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/tasks/scheduler.py", line 95, in execute
).run()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 266, in wrapped
return on_error(ex)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 236, in on_error
raise ex
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 259, in wrapped
result = func(*args, **kwargs)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 799, in run
).run()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 266, in wrapped
return on_error(ex)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 236, in on_error
raise ex
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 259, in wrapped
result = func(*args, **kwargs)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 761, in run
).next()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 629, in next
self.send()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 527, in send
notification_content = self._get_notification_content()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 410, in _get_notification_content
screenshot_data = self._get_screenshots()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 268, in _get_screenshots
raise ReportScheduleScreenshotFailedError(
superset.commands.report.exceptions.ReportScheduleScreenshotFailedError: Failed taking a screenshot Message: Selenium Manager failed for: /home/ubuntu/venv/lib/python3.10/site-packages/selenium/webdriver/common/linux/selenium-manager --browser chrome --output json.
error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again
What is the cause of this issue, and how can it be resolved?
@dosu
GitHub link: https://github.com/apache/superset/discussions/34053
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Re: [D] The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again [superset]
Posted by "moshhi (via GitHub)" <gi...@apache.org>.
GitHub user moshhi added a comment to the discussion: The error occurs when sending the report via email using the PNG content format:error sending request for url (https://chromedriver.storage.googleapis.com/LATEST_RELEASE): error trying to connect: dns error: failed to lookup address information: Try again
I added conf to superset_config.py:
SCREENSHOT_LOCATOR = "https://localhost:8088"
ENABLE_CELERY_REPORTS = True
WEBDRIVER_TYPE = "chrome"
WEBDRIVER_OPTION_ARGS = [
"--headless",
"--disable-gpu",
"--no-sandbox",
"--disable-dev-shm-usage",
]
WEBDRIVER_CONFIGURATION = {
"service": {
"executable_path": "/usr/local/bin/chromedriver",
"log_output": "/var/log/superset",
"service_args": [],
"port": 0,
"env": {},
},
"options": {
"capabilities": {},
"preferences": {},
"binary_location": "",
},
}
but occurred another exception：
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/tasks/scheduler.py", line 95, in execute
).run()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 266, in wrapped
return on_error(ex)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 236, in on_error
raise ex
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 259, in wrapped
result = func(*args, **kwargs)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 799, in run
).run()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 266, in wrapped
return on_error(ex)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 236, in on_error
raise ex
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/utils/decorators.py", line 259, in wrapped
result = func(*args, **kwargs)
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 761, in run
).next()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 629, in next
self.send()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 527, in send
notification_content = self._get_notification_content()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 410, in _get_notification_content
screenshot_data = self._get_screenshots()
File "/home/ubuntu/venv/lib/python3.10/site-packages/superset/commands/report/execute.py", line 268, in _get_screenshots
raise ReportScheduleScreenshotFailedError(
superset.commands.report.exceptions.ReportScheduleScreenshotFailedError: Failed taking a screenshot 'dict' object has no attribute 'path'
[2025-07-03 20:19:00,189: INFO/ForkPoolWorker-3] Task reports.execute[e6680661-7157-4c2d-9349-c91c048062cc] succeeded in 0.12940556497778744s: None
What is the cause of this issue, and how can it be resolved?
GitHub link: https://github.com/apache/superset/discussions/34053#discussioncomment-13652086
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