Self Service Summary
Some websites initially respond with an error that they need a client certificate, however, a second request to the page is successful. In these cases, Native Chrome intially sees the error "ERR_SSL_CLIENT_AUTH_CERT_NEEDED" but retries and is then able to successfully reach the site.
Dynatrace Synthetic Browser Monitors stop the execution as soon as the initial error "ERR_SSL_CLIENT_AUTH_CERT_NEEDED" is received.
| Issue |
Solution |
Tasks |
Alternative(s) |
| Browser Monitor fails with ERR_SSL_CLIENT_AUTH_CERT_NEEDED |
Add script to retry |
Add script to retry |
Add client certificate |
Steps to avoid Error Code 12049 "ERR_SSL_CLIENT_AUTH_CERT_NEEDED"
- Open the Browser Monitor for editing, using Classic Synthetic
- Click on Recorded Clickpath
- Add a JavaScript event, using Add synthetic event and move this step as first event
- Add the sample JavaScript code below and replace the url which is reporting "ERR_SSL_CLIENT_AUTH_CERT_NEEDED"
var url ="https://when.navigate.to/this/page/there/is/a/ssl/client/error"; //Replace the url which reports ERR_SSL_CLIENT_AUTH_CERT_NEEDED error
fetch(url, {
"referrerPolicy": "strict-origin-when-cross-origin",
"method": "GET",
"mode": "cors",
"credentials": "omit"
});
- The next event in the clickpath, should be a Navigate Event to the same url
What's next?
It may be that you need to provide the client-side certificate. In this case, you can add it to the Dynatrace Synthetic Browser Monitor here
Otherwise, please open a chat or support ticket and provide a link to the Dynatrace Synthetic Browser Monitor, along with the troubleshooting steps you have already tried.
