[google-appengine] Re: Sporadic server error since March 1 (Python)

[Viktor Bresan]

Many thanks for your tips! The trace is not available for failed request, 
for all other it is. I haven't pasted log earlier, perhaps I should, 
because (in my opinion) it isn't showing anything. Here it is (attached). 

Meanwhile, I have switched to instance class F2 and so far the problem did 
not happen again. I don't have latency longer than 3s, when new process is 
started. Though I don't think the problem should have happened earlier, or 
F1 is useless. 


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{
  "protoPayload": {
    "@type": "type.googleapis.com/google.appengine.logging.v1.RequestLog",
    "appId": "s~project_name",
    "versionId": "20220211t092340",
    "requestId": 
"6220e62000ff057ee7d2f6fc120001737e636f766964313974726176656c0001323032323032313174303932333430000100",
    "ip": "95.178.241.253",
    "startTime": "2022-03-03T16:00:32.433194Z",
    "endTime": "2022-03-03T16:00:42.845884Z",
    "latency": "10.412690s",
    "method": "GET",
    "resource": "/get_insurance",
    "httpVersion": "HTTP/1.1",
    "status": 500,
    "userAgent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:97.0) 
Gecko/20100101 Firefox/97.0",
    "urlMapEntry": "get_insurance.app",
    "host": "project_name.appspot.com",
    "pendingTime": "10.402971719s",
    "instanceIndex": -1,
    "finished": true,
    "line": [
      {
        "time": "2022-03-03T16:00:42.845870Z",
        "severity": "ERROR",
        "logMessage": "Request was aborted after waiting too long to attempt to 
service your request."
      }
    ],
    "appEngineRelease": "1.9.71",
    "traceId": "8e6544317ac942cd0742a37c1898df9a",
    "first": true
  },
  "insertId": "6220e62a000ce9549caa088b",
  "httpRequest": {
    "status": 500
  },
  "resource": {
    "type": "gae_app",
    "labels": {
      "project_id": "project_name",
      "module_id": "default",
      "zone": "us14",
      "version_id": "20220211t092340"
    }
  },
  "timestamp": "2022-03-03T16:00:32.433194Z",
  "severity": "ERROR",
  "labels": {
    "clone_id": ""
  },
  "logName": 
"projects/project_name/logs/appengine.googleapis.com%2Frequest_log",
  "operation": {
    "id": 
"6220e62000ff057ee7d2f6fc120001737e636f766964313974726176656c0001323032323032313174303932333430000100",
    "producer": "appengine.googleapis.com/request_id",
    "first": true,
    "last": true
  },
  "trace": "projects/project_name/traces/8e6544317ac942cd0742a37c1898df9a",
  "receiveTimestamp": "2022-03-03T16:00:42.852030751Z"
}