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Troubleshoot Dynamic Analysis prescan errors

Prescan errors comprise two types: connection errors and authentication errors.

These tables provide corrective actions for prescan connection and authentication errors. After troubleshooting the problem you are experiencing, verify the Dynamic Analysis configuration and run prescan again. If a failure persists, contact Veracode Technical Support.

Connection errors

Error messageDefinition and corrective actions
Unresolvable hostnameVeracode was not able to resolve the hostname. Verify the hostname and try again.
Unreachable portVeracode was not able to reach the destination port. Verify the port and try again.
Connection errorVeracode was not able to connect to the target URL. Verify the URL and its connectivity, and try again.
Server errorThere is an error on the target server. Verify the server is connected and available, and try again.
No target foundVeracode did not find the target URL at the site. Verify you have entered the correct URL and try again.
Empty response receivedVeracode received an empty response from the target URL. Verify the web server is correctly configured and try again.
Blocklisted URLThis URL is on the blocklist and will not be analyzed. Enter a new URL.
No response from serverVeracode received no response from the host server of the target URL. Verify the URL and its connectivity, and try again.
Non-allowlisted URLThis URL is not on the allowlist and will not be analyzed. Enter a new URL.
Excessive redirectThis URL has an infinite or excessively long redirection loop and will not be analyzed. Enter a new URL.
Timeout errorThis URL returned an HTTP protocol-level timeout error indicating there is a problem with network congestion or connection throttling by a proxy server. Verify your network infrastructure and connectivity, and try again.
Malformed URLThis URL does not adhere to the URI syntax. Re-enter the URL with the correct syntax.
Non-allowlisted URL redirectionThe request to the target URL results in a redirection. Verify the URL and try again.
Blocklisted URL redirectionThe request to the target URL redirects to a URL that is on the blocklist and will not be analyzed. Enter a new URL.

Authentication errors

Error messageDefinition and corrective actions
Missing credentialsYou have not provided any browser-based credentials. Enter the credentials and try again.
Invalid credentialsThe browser-based credentials you provided are invalid. Verify the credentials and try again.
Selenium script failureThe Selenium login script you provided has failed. Record a new script and try again.
Browser failureThe browser was unresponsive while executing the login script. Record a new script and try again.
Verification text failureThe verification text failed. Verify that the verification text is present on the page after login.
Auto-login failureAuto-login failed. Verify your credentials and try again.
Verification text failureThe verification text failed. Edit the login script to provide the verification text that is only present after successful login.
Authentication alertNo browser authentication was encountered. Verify the type of authentication necessary for the website and try again.
Logout pattern failureNo logout patterns were detected. Verify the logout pattern, ensure that at least one resource that requires authentication is accessible from the target URL. Then, try again.
Logout pattern failureToo many logout patterns were detected. Verify the logout pattern and the authentication credentials, and try again.
Logout pattern failureVeracode could not detect any logout patterns. Contact Veracode Technical Support if this error persists.
Logout pattern failureVeracode detected numerous logout patterns. Verify the logout pattern and authentication credentials, and try again.
Blocklisted URLThe login verification is blocklisted. Change the URL or remove it from the blocklist.
URL errorRequests to the login verification URL resulted in a network error. Correct the URL and ensure your web server is online.
Non-allowlisted URLThe login verification URL is not an allowed host. Change the URL and ensure it is not on the blocklist.
Redirection errorRequests to the login verification URL resulted in numerous HTTP redirects. Correct the URL or change the redirects.
Unsuccessful responseRequests to the login verification URL resulted in an unsuccessful HTTP response. Correct the URL and ensure your web server is online.
Malformed URLThe login verification URL does not adhere to URL syntax. Correct the URL and try again.
Non-allowlisted URLThe login verification URL redirects to a URL that is not an allowed host. Correct the URL and try again.
Blocklisted URLThe login verification URL redirects to a URL that is on the blocklist. Correct the URL or change the redirects, and try again.