I have an AWS lambda in my VPC which, using VPC peering, talks to my Atlas cluster.
Some of the time I am seeing the following error: { "errorType": "Runtime.UnhandledPromiseRejection", "errorMessage": "MongoServerSelectionError: Server selection timed out after 30000 ms", "reason": { "errorType": "MongoServerSelectionError", "errorMessage": "Server selection timed out after 30000 ms", "reason": { "type": "ReplicaSetNoPrimary", "servers": {}, "stale": false, "compatible": true, "heartbeatFrequencyMS": 10000, "localThresholdMS": 15, "setName": "atlas-cnjwgm-shard-0" }, "stack": [ "MongoServerSelectionError: Server selection timed out after 30000 ms", " at Timeout._onTimeout (/var/task/index.js:2:464693)", " at listOnTimeout (internal/timers.js:554:17)", " at processTimers (internal/timers.js:497:7)" ] }, "promise": {}, "stack": [ "Runtime.UnhandledPromiseRejection: MongoServerSelectionError: Server selection timed out after 30000 ms", " at process.<anonymous> (/var/runtime/index.js:35:15)", " at process.emit (events.js:314:20)", " at processPromiseRejections (internal/process/promises.js:209:33)", " at processTicksAndRejections (internal/process/task_queues.js:98:32)" ] }
I have not been able to find any solutions to this issue. Any help or pointers would be appreciated.