Electing new primary in mongo permanently freezes server (URGENT!)

[mrmarcsmith]

Steps to reproduce

Please include a detailed list of steps that reproduce the issue. Include curl commands when applicable.

1. set up a mongo replica set
2. spin up parse server in a docker container
3. force the primary to step down

Expected Results

Parse continues to run after electing a new primary.

Actual Outcome

Parse internally freezes without crasheing and becomes unresponsive to all calls

Environment Setup

• Server

  • parse-server version (Be specific! Don't say 'latest'.) : 2.3.1
  • Operating System: Ubuntu 16.04.1
  • Hardware: 4 Gb Droplet
  • Localhost or remote server? (AWS, Heroku, Azure, Digital Ocean, etc): Digital Ocean

• Database

  • MongoDB version: 3.0.14-1.9
  • Storage engine: mongo-rocks
  • Hardware: 4 Gb Droplet
  • Localhost or remote server? (AWS, Heroku, Azure, Digital Ocean, etc): Digital Ocean

Logs/Trace

You can turn on additional logging by configuring VERBOSE=1 in your environment.
this is mongo electing a new primary

2017-01-20T05:01:40.775567667Z 2017-01-20T05:01:40.775+0000 I REPL     [ReplicationExecutor] Error in heartbeat request to data1rs1s1prod.pandaclouds.com:27017; Location18915 Failed attempt to connect to data1rs1s1prod.pandaclouds.com:27017; couldn't initialize connection to host data1rs1s1prod.pandaclouds.com, address is invalid
2017-01-20T05:01:40.775591870Z 2017-01-20T05:01:40.775+0000 I REPL     [ReplicationExecutor] Standing for election
2017-01-20T05:01:40.776804767Z 2017-01-20T05:01:40.776+0000 I REPL     [ReplicationExecutor] not electing self, data1rs1s3prod.pandaclouds.com:27017 would veto with 'data1rs1s2prod.pandaclouds.com:27017 is trying to elect itself but data1rs1s1prod.pandaclouds.com:27017 is already primary and more up-to-date'
2017-01-20T05:01:40.776838090Z 2017-01-20T05:01:40.776+0000 I REPL     [ReplicationExecutor] not electing self, we are not freshest
2017-01-20T05:01:42.632403684Z 2017-01-20T05:01:42.632+0000 I REPL     [ReplicationExecutor] Standing for election
2017-01-20T05:01:42.633127622Z 2017-01-20T05:01:42.632+0000 I REPL     [ReplicationExecutor] not electing self, data1rs1s3prod.pandaclouds.com:27017 would veto with 'data1rs1s2prod.pandaclouds.com:27017 is trying to elect itself but data1rs1s1prod.pandaclouds.com:27017 is already primary and more up-to-date'
2017-01-20T05:01:42.633149568Z 2017-01-20T05:01:42.632+0000 I REPL     [ReplicationExecutor] not electing self, we are not freshest
2017-01-20T05:01:44.634529579Z 2017-01-20T05:01:44.634+0000 I REPL     [ReplicationExecutor] Standing for election
2017-01-20T05:01:44.635133314Z 2017-01-20T05:01:44.634+0000 I REPL     [ReplicationExecutor] not electing self, data1rs1s3prod.pandaclouds.com:27017 would veto with 'data1rs1s2prod.pandaclouds.com:27017 is trying to elect itself but data1rs1s1prod.pandaclouds.com:27017 is already primary and more up-to-date'
2017-01-20T05:01:44.635159568Z 2017-01-20T05:01:44.634+0000 I REPL     [ReplicationExecutor] not electing self, we are not freshest
2017-01-20T05:01:46.367962190Z 2017-01-20T05:01:46.367+0000 I NETWORK  [initandlisten] connection accepted from 192.241.200.227:44820 #130494 (53 connections now open)
2017-01-20T05:01:46.419583646Z 2017-01-20T05:01:46.419+0000 I ACCESS   [conn130494] Successfully authenticated as principal __system on local
2017-01-20T05:01:46.635729109Z 2017-01-20T05:01:46.635+0000 I REPL     [ReplicationExecutor] Standing for election
2017-01-20T05:01:46.636292323Z 2017-01-20T05:01:46.636+0000 I REPL     [ReplicationExecutor] not electing self, data1rs1s3prod.pandaclouds.com:27017 would veto with 'data1rs1s2prod.pandaclouds.com:27017 is trying to elect itself but data1rs1s1prod.pandaclouds.com:27017 is already primary and more up-to-date'
2017-01-20T05:01:46.636313637Z 2017-01-20T05:01:46.636+0000 I REPL     [ReplicationExecutor] not electing self, we are not freshest
2017-01-20T05:01:47.962300425Z 2017-01-20T05:01:47.961+0000 I REPL     [ReplicationExecutor] Member data1rs1s1prod.pandaclouds.com:27017 is now in state PRIMARY

This is parse server failing and never recovering unless I restart the container:

2017-01-20T09:02:48.157851908Z error: Error generating response. { MongoError: connection 1 to data1rs1s2prod.pandaclouds.com:27017 closed
2017-01-20T09:02:48.157940898Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:29:11)
2017-01-20T09:02:48.157977021Z     at TLSSocket.<anonymous> (/parse-server/node_modules/mongodb-core/lib/connection/connection.js:187:22)
2017-01-20T09:02:48.158004074Z     at TLSSocket.g (events.js:291:16)
2017-01-20T09:02:48.158104391Z     at emitOne (events.js:101:20)
2017-01-20T09:02:48.158144358Z     at TLSSocket.emit (events.js:188:7)
2017-01-20T09:02:48.158172264Z     at _handle.close (net.js:498:12)
2017-01-20T09:02:48.158200538Z     at Socket.done (_tls_wrap.js:325:7)
2017-01-20T09:02:48.158227214Z     at Socket.g (events.js:291:16)
2017-01-20T09:02:48.158253458Z     at emitOne (events.js:96:13)
2017-01-20T09:02:48.158278014Z     at Socket.emit (events.js:188:7)
2017-01-20T09:02:48.158302141Z     at TCP._handle.close [as _onclose] (net.js:498:12)
2017-01-20T09:02:48.158328449Z   name: 'MongoError',
2017-01-20T09:02:48.158351129Z   message: 'connection 1 to data1rs1s2prod.pandaclouds.com:27017 closed' } name=MongoError, message=connection 1 to data1rs1s2prod.pandaclouds.com:27017 closed
2017-01-20T09:02:48.162139923Z error: Uncaught internal server error. { MongoError: connection 1 to data1rs1s2prod.pandaclouds.com:27017 closed
2017-01-20T09:02:48.162193136Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:29:11)
2017-01-20T09:02:48.162219986Z     at TLSSocket.<anonymous> (/parse-server/node_modules/mongodb-core/lib/connection/connection.js:187:22)
2017-01-20T09:02:48.162249566Z     at TLSSocket.g (events.js:291:16)
2017-01-20T09:02:48.162272459Z     at emitOne (events.js:101:20)
2017-01-20T09:02:48.162293993Z     at TLSSocket.emit (events.js:188:7)
2017-01-20T09:02:48.162319086Z     at _handle.close (net.js:498:12)
2017-01-20T09:02:48.162348636Z     at Socket.done (_tls_wrap.js:325:7)
2017-01-20T09:02:48.162412036Z     at Socket.g (events.js:291:16)
2017-01-20T09:02:48.162456243Z     at emitOne (events.js:96:13)
2017-01-20T09:02:48.162483786Z     at Socket.emit (events.js:188:7)
2017-01-20T09:02:48.162512234Z     at TCP._handle.close [as _onclose] (net.js:498:12)
2017-01-20T09:02:48.162543727Z   name: 'MongoError',
2017-01-20T09:02:48.162570960Z   message: 'connection 1 to data1rs1s2prod.pandaclouds.com:27017 closed' } MongoError: connection 1 to data1rs1s2prod.pandaclouds.com:27017 closed
2017-01-20T09:02:48.162604894Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:29:11)
2017-01-20T09:02:48.162635500Z     at TLSSocket.<anonymous> (/parse-server/node_modules/mongodb-core/lib/connection/connection.js:187:22)
2017-01-20T09:02:48.162668170Z     at TLSSocket.g (events.js:291:16)
2017-01-20T09:02:48.162696960Z     at emitOne (events.js:101:20)
2017-01-20T09:02:48.162729214Z     at TLSSocket.emit (events.js:188:7)
2017-01-20T09:02:48.162757570Z     at _handle.close (net.js:498:12)
2017-01-20T09:02:48.162788960Z     at Socket.done (_tls_wrap.js:325:7)
2017-01-20T09:02:48.162817650Z     at Socket.g (events.js:291:16)
2017-01-20T09:02:48.162843478Z     at emitOne (events.js:96:13)
2017-01-20T09:02:48.162869975Z     at Socket.emit (events.js:188:7)
2017-01-20T09:02:48.162904885Z     at TCP._handle.close [as _onclose] (net.js:498:12)
2017-01-20T09:02:48.167863283Z MongoError: connection 1 to data1rs1s2prod.pandaclouds.com:27017 closed
2017-01-20T09:02:48.167941286Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:29:11)
2017-01-20T09:02:48.167959613Z     at TLSSocket.<anonymous> (/parse-server/node_modules/mongodb-core/lib/connection/connection.js:187:22)
2017-01-20T09:02:48.167973826Z     at TLSSocket.g (events.js:291:16)
2017-01-20T09:02:48.167986066Z     at emitOne (events.js:101:20)
2017-01-20T09:02:48.167998280Z     at TLSSocket.emit (events.js:188:7)
2017-01-20T09:02:48.168011070Z     at _handle.close (net.js:498:12)
2017-01-20T09:02:48.168022936Z     at Socket.done (_tls_wrap.js:325:7)
2017-01-20T09:02:48.168035190Z     at Socket.g (events.js:291:16)
2017-01-20T09:02:48.168047066Z     at emitOne (events.js:96:13)
2017-01-20T09:02:48.168058686Z     at Socket.emit (events.js:188:7)
2017-01-20T09:02:48.168070846Z     at TCP._handle.close [as _onclose] (net.js:498:12)
2017-01-20T09:02:49.063114940Z (node:16) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 3): Error: getaddrinfo ENOTFOUND email.us-west-2.amazonaws.com email.us-west-2.amazonaws.com:443
2017-01-20T09:02:49.090691310Z (node:16) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 4): Error: getaddrinfo ENOTFOUND email.us-west-2.amazonaws.com email.us-west-2.amazonaws.com:443
2017-01-20T09:04:48.708148511Z error: Error generating response. { MongoError: not master and slaveOk=false
2017-01-20T09:04:48.708324388Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.708347558Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.708358653Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.708368718Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.708378913Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.708423341Z   name: 'MongoError',
2017-01-20T09:04:48.708434498Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:48.708444331Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:48.708454138Z   code: 13435 } name=MongoError, message=not master and slaveOk=false, $err=not master and slaveOk=false, code=13435
2017-01-20T09:04:48.710941756Z error: Uncaught internal server error. { MongoError: not master and slaveOk=false
2017-01-20T09:04:48.711024291Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.711041064Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.711056754Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.711075871Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.711096204Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.711122251Z   name: 'MongoError',
2017-01-20T09:04:48.711144444Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:48.711165991Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:48.711186611Z   code: 13435 } MongoError: not master and slaveOk=false
2017-01-20T09:04:48.711210141Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.711230431Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.711247646Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.711258849Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.711268806Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.714480584Z MongoError: not master and slaveOk=false
2017-01-20T09:04:48.714513134Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.714524961Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.714535259Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.714565336Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.714575836Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.718715983Z error: Error generating response. { MongoError: not master and slaveOk=false
2017-01-20T09:04:48.718748428Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.718759233Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.718785840Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.718799010Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.718808415Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.718817618Z   name: 'MongoError',
2017-01-20T09:04:48.718826713Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:48.718835833Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:48.718844885Z   code: 13435 } name=MongoError, message=not master and slaveOk=false, $err=not master and slaveOk=false, code=13435
2017-01-20T09:04:48.719751644Z error: Uncaught internal server error. { MongoError: not master and slaveOk=false
2017-01-20T09:04:48.719783976Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.719795869Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.719810084Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.719819971Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.719829121Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.719838506Z   name: 'MongoError',
2017-01-20T09:04:48.719847511Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:48.719856529Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:48.719886574Z   code: 13435 } MongoError: not master and slaveOk=false
2017-01-20T09:04:48.719902242Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.719912137Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.719921497Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.719930835Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.719939995Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.721284736Z MongoError: not master and slaveOk=false
2017-01-20T09:04:48.721316948Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.721368201Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.721381691Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.721391691Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.721401191Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.723851232Z error: Error generating response. { MongoError: not master and slaveOk=false
2017-01-20T09:04:48.723903149Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.723916836Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.723927239Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.723939779Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.723949656Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.723959071Z   name: 'MongoError',
2017-01-20T09:04:48.723968296Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:48.723977361Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:48.723986526Z   code: 13435 } name=MongoError, message=not master and slaveOk=false, $err=not master and slaveOk=false, code=13435
2017-01-20T09:04:48.726393616Z error: Uncaught internal server error. { MongoError: not master and slaveOk=false
2017-01-20T09:04:48.726424698Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.726435228Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.726444806Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.726475413Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.726501071Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.726511298Z   name: 'MongoError',
2017-01-20T09:04:48.726520483Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:48.726529363Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:48.726538498Z   code: 13435 } MongoError: not master and slaveOk=false
2017-01-20T09:04:48.726550383Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.726559983Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.726569538Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.726578548Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.726587638Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.733404129Z error: Error generating response. { MongoError: not master and slaveOk=false
2017-01-20T09:04:48.733449454Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.733461244Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.733471207Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.733480349Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.733489804Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.733499187Z   name: 'MongoError',
2017-01-20T09:04:48.733508437Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:48.733517732Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:48.733527082Z   code: 13435 } name=MongoError, message=not master and slaveOk=false, $err=not master and slaveOk=false, code=13435
2017-01-20T09:04:48.734571250Z error: Uncaught internal server error. { MongoError: not master and slaveOk=false
2017-01-20T09:04:48.734606322Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.734618245Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.734647522Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.734659422Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.734669370Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.734679027Z   name: 'MongoError',
2017-01-20T09:04:48.734688535Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:48.734697680Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:48.734706695Z   code: 13435 } MongoError: not master and slaveOk=false
2017-01-20T09:04:48.734715705Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.734725067Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.734734327Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.734743495Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.734752375Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.735751206Z MongoError: not master and slaveOk=false
2017-01-20T09:04:48.735789559Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.735803926Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.735814551Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.735846396Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.735857161Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:48.737332066Z MongoError: not master and slaveOk=false
2017-01-20T09:04:48.737361588Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:48.737373166Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:48.737383241Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:48.737413411Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:48.737423366Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:49.064685837Z error: Error generating response. { MongoError: not master and slaveOk=false
2017-01-20T09:04:49.064792667Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:49.064860040Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:49.064883157Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:49.064896090Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:49.064908347Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:49.064974067Z   name: 'MongoError',
2017-01-20T09:04:49.064990097Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:49.065002927Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:49.065068750Z   code: 13435 } name=MongoError, message=not master and slaveOk=false, $err=not master and slaveOk=false, code=13435
2017-01-20T09:04:49.067780576Z error: Uncaught internal server error. { MongoError: not master and slaveOk=false
2017-01-20T09:04:49.067842090Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:49.067857100Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:49.067896240Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:49.067916776Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:49.067929716Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:49.067947246Z   name: 'MongoError',
2017-01-20T09:04:49.067959716Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:49.067971803Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:49.067984106Z   code: 13435 } MongoError: not master and slaveOk=false
2017-01-20T09:04:49.067996026Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:49.068032966Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:49.068046646Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:49.068059123Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:49.068071563Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:49.072129658Z MongoError: not master and slaveOk=false
2017-01-20T09:04:49.072213558Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:49.072235108Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:49.072248228Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:49.072260872Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:49.072308878Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:49.427093388Z error: Error generating response. { MongoError: not master and slaveOk=false
2017-01-20T09:04:49.427551866Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:49.427686042Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:49.427906726Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:49.428092312Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:49.428223173Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:49.428436737Z   name: 'MongoError',
2017-01-20T09:04:49.428578833Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:49.428713630Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:49.428910510Z   code: 13435 } name=MongoError, message=not master and slaveOk=false, $err=not master and slaveOk=false, code=13435
2017-01-20T09:04:49.429050497Z error: Uncaught internal server error. { MongoError: not master and slaveOk=false
2017-01-20T09:04:49.429283963Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:49.429491620Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:49.429628599Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:49.429754265Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:49.429918795Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:49.430129732Z   name: 'MongoError',
2017-01-20T09:04:49.430272642Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:49.430477815Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:49.430602782Z   code: 13435 } MongoError: not master and slaveOk=false
2017-01-20T09:04:49.430866539Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:49.431002305Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:49.431235106Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:49.431388050Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:49.431562391Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:49.433505225Z MongoError: not master and slaveOk=false
2017-01-20T09:04:49.433601293Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:49.433616506Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:49.433685299Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:49.433703553Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:49.433716376Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.008815273Z error: Error generating response. { MongoError: not master and slaveOk=false
2017-01-20T09:04:50.008909237Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.008937917Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.008952481Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.008972541Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.008999307Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.009030394Z   name: 'MongoError',
2017-01-20T09:04:50.009043961Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:50.009056611Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:50.009069324Z   code: 13435 } name=MongoError, message=not master and slaveOk=false, $err=not master and slaveOk=false, code=13435
2017-01-20T09:04:50.010475912Z error: Uncaught internal server error. { MongoError: not master and slaveOk=false
2017-01-20T09:04:50.010518705Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.010533038Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.010548868Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.010561932Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.010574242Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.010586393Z   name: 'MongoError',
2017-01-20T09:04:50.010626383Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:50.010640193Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:50.010652406Z   code: 13435 } MongoError: not master and slaveOk=false
2017-01-20T09:04:50.010664389Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.010676846Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.010689403Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.010701939Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.010714593Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.014101587Z error: Error generating response. { MongoError: not master and slaveOk=false
2017-01-20T09:04:50.014155297Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.014204380Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.014221873Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.014234343Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.014250200Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.014263640Z   name: 'MongoError',
2017-01-20T09:04:50.014276107Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:50.014288467Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:50.014301173Z   code: 13435 } name=MongoError, message=not master and slaveOk=false, $err=not master and slaveOk=false, code=13435
2017-01-20T09:04:50.015502199Z error: Uncaught internal server error. { MongoError: not master and slaveOk=false
2017-01-20T09:04:50.015551815Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.015568715Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.015581865Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.015594459Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.015607332Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.015619995Z   name: 'MongoError',
2017-01-20T09:04:50.015631935Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:50.015644482Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:50.015656859Z   code: 13435 } MongoError: not master and slaveOk=false
2017-01-20T09:04:50.015669739Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.015685455Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.015725035Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.015738959Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.015751555Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.023830359Z MongoError: not master and slaveOk=false
2017-01-20T09:04:50.023912282Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.023929866Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.023943566Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.023960252Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.023973036Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.025240961Z MongoError: not master and slaveOk=false
2017-01-20T09:04:50.025278294Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.025292951Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.025306011Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.025325024Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.025349778Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.033461312Z error: Error generating response. { MongoError: not master and slaveOk=false
2017-01-20T09:04:50.033554436Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.033573909Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.033592346Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.033645692Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.033672626Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.033753762Z   name: 'MongoError',
2017-01-20T09:04:50.033783259Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:50.033867402Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:50.033900599Z   code: 13435 } name=MongoError, message=not master and slaveOk=false, $err=not master and slaveOk=false, code=13435
2017-01-20T09:04:50.035281196Z error: Uncaught internal server error. { MongoError: not master and slaveOk=false
2017-01-20T09:04:50.035332269Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.035347469Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.035395236Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.035409412Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.035422529Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.035434939Z   name: 'MongoError',
2017-01-20T09:04:50.035451052Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:50.035463099Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:50.035475149Z   code: 13435 } MongoError: not master and slaveOk=false
2017-01-20T09:04:50.035486802Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.035499049Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.035511072Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.035522992Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.035535016Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.038526721Z MongoError: not master and slaveOk=false
2017-01-20T09:04:50.038642912Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.038726756Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.038766683Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.038851023Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.038884146Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.238569351Z error: Error generating response. { MongoError: not master and slaveOk=false
2017-01-20T09:04:50.238645144Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.238667528Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.238681604Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.238700384Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.238720491Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.238732711Z   name: 'MongoError',
2017-01-20T09:04:50.238745961Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:50.238758211Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:50.238773111Z   code: 13435 } name=MongoError, message=not master and slaveOk=false, $err=not master and slaveOk=false, code=13435
2017-01-20T09:04:50.240047331Z error: Uncaught internal server error. { MongoError: not master and slaveOk=false
2017-01-20T09:04:50.240145178Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.240175764Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.240200254Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.240224031Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.240239064Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.240252061Z   name: 'MongoError',
2017-01-20T09:04:50.240266248Z   message: 'not master and slaveOk=false',
2017-01-20T09:04:50.240278214Z   '$err': 'not master and slaveOk=false',
2017-01-20T09:04:50.240291181Z   code: 13435 } MongoError: not master and slaveOk=false
2017-01-20T09:04:50.240303211Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.240315464Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.240327751Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.240343758Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.240356408Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)
2017-01-20T09:04:50.243317358Z MongoError: not master and slaveOk=false
2017-01-20T09:04:50.243430568Z     at Function.MongoError.create (/parse-server/node_modules/mongodb-core/lib/error.js:31:11)
2017-01-20T09:04:50.243498318Z     at queryCallback (/parse-server/node_modules/mongodb-core/lib/cursor.js:198:34)
2017-01-20T09:04:50.243519335Z     at /parse-server/node_modules/mongodb-core/lib/connection/pool.js:436:18
2017-01-20T09:04:50.243533051Z     at _combinedTickCallback (internal/process/next_tick.js:67:7)
2017-01-20T09:04:50.243564945Z     at process._tickDomainCallback (internal/process/next_tick.js:122:9)

[adirgan]

Test updating to the latest version of parse-server, why they updated the mongo driver that fixes the problems with the connection when you have configured a replica of mongo.

npm install parseplatform/parse-server.git#latest