Частые ошибки Ошибка: нет открытых соединений и Ошибка: соединение закрыто во время большой параллельной нагрузки - PullRequest
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Частые ошибки Ошибка: нет открытых соединений и Ошибка: соединение закрыто во время большой параллельной нагрузки

0 голосов
/ 30 августа 2018

Мы давно сталкиваемся с этой проблемой и в производстве не можем позволить себе такого рода сбои. Мы использовали высококачественные инстансы EC2 для обработки большой рабочей нагрузки. Этот тип ошибки возникает только при большой нагрузке, в противном случае он работает нормально.

Я также проверил загрузку процессора, оперативной памяти и запросов MongoDB во время сбоя, но в то время все было нормально. Единственная проблема, с которой мы столкнулись, была в узле сервера, который был перезапущен с ошибкой MongoDB ниже.

Экземпляр 1: Узел-сервер

  • c5xlarge: 16 ЦП и 32 ГБ ОЗУ с SSD-хранилищем

  • Версия узла: 6.11

  • MongoDB NPM Версия: 1.4.28

  • Загрузка ЦП составляет 30-40% в нормальном состоянии с 8 сокет-серверами

  • Загрузка ЦП составляет 70-80% во время сбоя с 8 сокет-серверами

Экземпляр 2: Автономный сервер MongoDB

  • r4.2большой: 8 ЦП и 61 ГБ ОЗУ с SSD-хранилищем

  • MongoDB Версия: 3.2.20

  • Загрузка ЦП в среднем составляет 300% из 800% и остается неизменной в течение Авария также.

Журналы ошибок с сервера сокетов узлов: 

DB Error V2RP : Error: connection closed
at .<anonymous> (/home/game/node_modules/mongodb/lib/mongodb/connection/server.js:617:45)
at emitNone (events.js:86:13)
at emit (events.js:185:7)
at .<anonymous> (/home/game/node_modules/mongodb/lib/mongodb/connection/connection_pool.js:165:15)
at emitTwo (events.js:106:13)
at emit (events.js:191:7)
at Socket.<anonymous> (/home/game/node_modules/mongodb/lib/mongodb/connection/connection.js:550:12)
at emitOne (events.js:96:13)
at Socket.emit (events.js:188:7)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at CallbackStore.<anonymous> (/home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9)
at CallbackStore.g (events.js:292:16)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: failed to connect to [xxx.xx.x.xxx:27017]
at .<anonymous> (/home/game/node_modules/mongodb/lib/mongodb/connection/server.js:555:25)
at emitThree (events.js:116:13)
at emit (events.js:194:7)
at .<anonymous> (/home/game/node_modules/mongodb/lib/mongodb/connection/connection_pool.js:150:15)
at emitTwo (events.js:106:13)
at emit (events.js:191:7)
at Socket.<anonymous> (/home/game/node_modules/mongodb/lib/mongodb/connection/connection.js:534:10)
at emitOne (events.js:96:13)
at Socket.emit (events.js:188:7)
at onwriteError (_stream_writable.js:343:10)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at CallbackStore.<anonymous> (/home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9)
at CallbackStore.g (events.js:292:16)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error V2RP : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at rec (/home/game/classes/dashboard.class.js:1446:144)
at /home/game/classes/dashboard.class.js:1457:41
at /home/game/node_modules/mongodb/lib/mongodb/cursor.js:169:22
at commandHandler (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:693:48)
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
DB Error MP pit : Error: no open connections
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:23)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
at Cursor.nextObject (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:749:13)
at Cursor.toArray (/home/game/node_modules/mongodb/lib/mongodb/cursor.js:168:10)
at /home/game/classes/profile.class.js:508:144
at /home/game/node_modules/mongodb/lib/mongodb/collection/commands.js:54:20
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1170:22
at /home/game/node_modules/mongodb/lib/mongodb/db.js:1882:9
at __executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1719:14)
at Db._executeQueryCommand (/home/game/node_modules/mongodb/lib/mongodb/db.js:1881:7)
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