Runtime.UnhandledPromiseRejection

[ohadperry]

    "errorType": "Runtime.UnhandledPromiseRejection",
    "errorMessage": "TypeError: Unable to generate certificate due to \nRequestError: Error: Client network socket disconnected before secure TLS connection was established",
    "reason": {
        "errorType": "TypeError",
        "errorMessage": "Unable to generate certificate due to \nRequestError: Error: Client network socket disconnected before secure TLS connection was established",
        "stack": [
            "TypeError: Unable to generate certificate due to ",
            "RequestError: Error: Client network socket disconnected before secure TLS connection was established",
            "    at /var/task/node_modules/cognito-express/lib/strategy.js:42:23",
            "    at bound (domain.js:427:14)",
            "    at runBound (domain.js:440:12)",
            "    at tryCatcher (/var/task/node_modules/bluebird/js/release/util.js:16:23)",
            "    at Promise._settlePromiseFromHandler (/var/task/node_modules/bluebird/js/release/promise.js:547:31)",
            "    at Promise._settlePromise (/var/task/node_modules/bluebird/js/release/promise.js:604:18)",
            "    at Promise._settlePromise0 (/var/task/node_modules/bluebird/js/release/promise.js:649:10)",
            "    at Promise._settlePromises (/var/task/node_modules/bluebird/js/release/promise.js:725:18)",
            "    at _drainQueueStep (/var/task/node_modules/bluebird/js/release/async.js:93:12)",
            "    at _drainQueue (/var/task/node_modules/bluebird/js/release/async.js:86:9)",
            "    at Async._drainQueues (/var/task/node_modules/bluebird/js/release/async.js:102:5)",
            "    at Immediate.Async.drainQueues [as _onImmediate] (/var/task/node_modules/bluebird/js/release/async.js:15:14)",
            "    at processImmediate (internal/timers.js:456:21)",
            "    at process.topLevelDomainCallback (domain.js:138:15)",
            "    at process.callbackTrampoline (internal/async_hooks.js:118:14)"
        ]
    },
    "promise": {
        "isFulfilled": false,
        "isRejected": true,
        "rejectionReason": {
            "errorType": "TypeError",
            "errorMessage": "Unable to generate certificate due to \nRequestError: Error: Client network socket disconnected before secure TLS connection was established",
            "stack": [
                "TypeError: Unable to generate certificate due to ",
                "RequestError: Error: Client network socket disconnected before secure TLS connection was established",
                "    at /var/task/node_modules/cognito-express/lib/strategy.js:42:23",
                "    at bound (domain.js:427:14)",
                "    at runBound (domain.js:440:12)",
                "    at tryCatcher (/var/task/node_modules/bluebird/js/release/util.js:16:23)",
                "    at Promise._settlePromiseFromHandler (/var/task/node_modules/bluebird/js/release/promise.js:547:31)",
                "    at Promise._settlePromise (/var/task/node_modules/bluebird/js/release/promise.js:604:18)",
                "    at Promise._settlePromise0 (/var/task/node_modules/bluebird/js/release/promise.js:649:10)",
                "    at Promise._settlePromises (/var/task/node_modules/bluebird/js/release/promise.js:725:18)",
                "    at _drainQueueStep (/var/task/node_modules/bluebird/js/release/async.js:93:12)",
                "    at _drainQueue (/var/task/node_modules/bluebird/js/release/async.js:86:9)",
                "    at Async._drainQueues (/var/task/node_modules/bluebird/js/release/async.js:102:5)",
                "    at Immediate.Async.drainQueues [as _onImmediate] (/var/task/node_modules/bluebird/js/release/async.js:15:14)",
                "    at processImmediate (internal/timers.js:456:21)",
                "    at process.topLevelDomainCallback (domain.js:138:15)",
                "    at process.callbackTrampoline (internal/async_hooks.js:118:14)"
            ]
        }
    },
    "stack": [
        "Runtime.UnhandledPromiseRejection: TypeError: Unable to generate certificate due to ",
        "RequestError: Error: Client network socket disconnected before secure TLS connection was established",
        "    at process.<anonymous> (/var/runtime/index.js:35:15)",
        "    at process.emit (events.js:327:22)",
        "    at process.EventEmitter.emit (domain.js:483:12)",
        "    at eventToObjectGenerator.promiseCreated (/var/task/node_modules/bluebird/js/release/debuggability.js:258:33)",
        "    at activeFireEvent (/var/task/node_modules/bluebird/js/release/debuggability.js:301:44)",
        "    at fireRejectionEvent (/var/task/node_modules/bluebird/js/release/debuggability.js:703:14)",
        "    at Promise._notifyUnhandledRejection (/var/task/node_modules/bluebird/js/release/debuggability.js:90:9)",
        "    at Timeout.unhandledRejectionCheck [as _onTimeout] (/var/task/node_modules/bluebird/js/release/debuggability.js:39:25)",
        "    at listOnTimeout (internal/timers.js:549:17)",
        "    at processTimers (internal/timers.js:492:7)"
    ]
}

enviroment:

provider: name: aws runtime: nodejs12.x lambda

[jcardus]

Im having the same error

[jcardus]

2020-12-10T14:31:56.852Z 2f303802-9292-42ef-88ea-6031dc709105 ERROR Invoke Error { "errorType": "TypeError", "errorMessage": "Unable to generate certificate due to \nRequestError: Error: Client network socket disconnected before secure TLS connection was established", "stack": [ "TypeError: Unable to generate certificate due to ", "RequestError: Error: Client network socket disconnected before secure TLS connection was established", " at /var/task/node_modules/cognito-express/lib/strategy.js:42:23", " at tryCatcher (/var/task/node_modules/bluebird/js/release/util.js:16:23)", " at Promise._settlePromiseFromHandler (/var/task/node_modules/bluebird/js/release/promise.js:547:31)", " at Promise._settlePromise (/var/task/node_modules/bluebird/js/release/promise.js:604:18)", " at Promise._settlePromise0 (/var/task/node_modules/bluebird/js/release/promise.js:649:10)", " at Promise._settlePromises (/var/task/node_modules/bluebird/js/release/promise.js:725:18)", " at _drainQueueStep (/var/task/node_modules/bluebird/js/release/async.js:93:12)", " at _drainQueue (/var/task/node_modules/bluebird/js/release/async.js:86:9)", " at Async._drainQueues (/var/task/node_modules/bluebird/js/release/async.js:102:5)", " at Immediate.Async.drainQueues [as _onImmediate] (/var/task/node_modules/bluebird/js/release/async.js:15:14)", " at processImmediate (internal/timers.js:461:21)" ] }

[s10mcow]

+1 same issue

[swanandvk]

+1 having the same , whats the root cause of this any intel ?

[jcardus]

I had this again today. I gave more memory to the lambda function, it was 128, it's now 1024. It's a shot in the dark...

[dalumiller]

+1 same issue; any solutions?

[toolsadminatl2it]

We are facing this issue very frequently. Is there any solution to this? Is it because of the cold start in the lambda environment? We have noticed in our error monitoring tool that all the transactions with this issue had the cold start.

[andreme]

This is a wrapper that retries downloading the certificates if it fails for some reason:

let cognitoExpress;
async function cogValidateToken(token, retryCounter = 0) {

	if (!cognitoExpress) {
		cognitoExpress = new CognitoExpress({
			region: 'SET',
			cognitoUserPoolId: 'SET',
			tokenUse: 'access',
		});
	}

	try {
		return await cognitoExpress.validate(token);
	} catch (e) {
		if ((retryCounter < 25) && String(e.message).startsWith('Unable to generate certificate due to')) {
			console.error(e);
			cognitoExpress = null;
			return cogValidateToken(token, retryCounter + 1);
		}

		throw e;
	}
}

Call with

const jwt = await cogValidateToken(token);

[mekane]

I'm running into this in my CI/CD where the VM doesn't have network access. Line 54 of strategy.js is throwing with no catch and I can't find a way to quiet it down.

[ghdna]

Ok lemme take a look

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I'm running into this in my CI/CD where the VM doesn't have network access. Line 54 of strategy.js is throwing with no catch and I can't find a way to quiet it down.

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