Troubleshooting Response Errors

App Engine may take a few minutes to respond successfully to requests. If you send a request and get back an HTTP 502, 503, or some other server error, wait a minute and try the request again.

If you do not get a successful response after waiting a few minutes, or if you got some other response error, use the Stackdriver logs to help troubleshoot.

  1. Go to the Stackdriver > Logging page in the GCP Console:

    Go to the Logs Viewer page

  2. Select the GCP project at the top of the page.

  3. Select GAE Application and request_log from the drop-down menus.

  4. Adjust the time range until you see a row that shows your response error.

  5. Click Expand All to see the entire log for the response error.

  6. If you are unable to fix the issue, copy one of the log entries that shows the error and paste it in a text file. Include the log in any communication that you have with Google.

See the following for more information:

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Cloud Endpoints Frameworks for App Engine