那些遇到过的问题

NodeJS 7:如何在异步Mongoose Promises中显示正确的堆栈跟踪

And*_*iga 7 error-handling asynchronous node.js

当我在mongoose承诺中有错误时bluebird.我没有正确的行号,这使我很难找到错误.

unknownFunction("A")#show me the correct line number in the trace
async.timesSeries 100,
  (index, next) ->
     unknownFunction("B") #show me only the line number where I catch the error

process.on 'uncaughtException', (err)->
  console.log err.stack
  console.trace err 
  throw err
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问题:如何获取正确的行号而不是捕获错误的行号？

PS:到目前为止我找到并尝试过这个:https: //github.com/groundwater/node-stackup 但它给了我很多不相关的行号.

编辑:

这就是我用bluebird初学mongoose的方式:

Promise = require("bluebird")
Promise.config({
  longStackTraces: true
  warnings: {
    wForgottenReturn: false
  }
})
mongoose = require('mongoose')
mongoose.Promise = Promise
mongoose.set('error', true)
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示例正确:

在此输入图像描述

  ReferenceError: unknownFunction is not defined

  - patient.update.js:267
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示例错误:

在此输入图像描述

somepath/.tmp/serve/server.js:294
      throw err;
      ^

ReferenceError: unknownFunction2 is not defined
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该错误在patient.update.js第268行

Longjohn

同 longjohn

somepath/node_modules/longjohn/dist/longjohn.js:192
        throw e;
        ^

ReferenceError: unknownFunction2 is not defined
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叠起

这就是我对node-stack-up不相关的线条的意思(同样的测试unknownFunction2):

    /somepath/myApp/.tmp/serve/server.js:296
      throw err;
      ^

ReferenceError: unknownFunction2 is not defined

    ---- async ----

  - glue.js:150 asyncWrap
    [myApp]/[async-listener]/glue.js:150:28

  - glue.js:401 wrapCallback
    [myApp]/[async-listener]/glue.js:401:35

  - index.js:16 process.nextTick
    [myApp]/[async-listener]/index.js:16:26

  - index.js:126 Kareem.execPost
    [myApp]/[kareem]/index.js:126:20

  - index.js:251 
    [myApp]/[kareem]/index.js:251:15

  - query.js:1616 
    [myApp]/[mongoose]/lib/query.js:1616:5

  - document.js:317 model.Document.init
    [myApp]/[mongoose]/lib/document.js:317:5

  - query.js:1609 completeOne
    [myApp]/[mongoose]/lib/query.js:1609:10

  - query.js:1271 Immediate.<anonymous>
    [myApp]/[mongoose]/lib/query.js:1271:13

  - utils.js:137 Immediate.<anonymous>
    [myApp]/[mquery]/lib/utils.js:137:16

  - timers.js:649 runCallback
    timers.js:649:20

  - timers.js:622 tryOnImmediate
    timers.js:622:5

  - timers.js:594 processImmediate [as _immediateCallback]
    timers.js:594:5


    ---- async ----

  - glue.js:150 asyncWrap
    [myApp]/[async-listener]/glue.js:150:28

  - glue.js:401 wrapCallback
    [myApp]/[async-listener]/glue.js:401:35

  - index.js:16 process.nextTick
    [myApp]/[async-listener]/index.js:16:26

  - pool.js:454 handleOperationCallback
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:454:24

  - pool.js:490 
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:490:9

  - pool.js:429 authenticateStragglers
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:429:16

  - pool.js:463 Connection.messageHandler
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:463:5

  - connection.js:309 Socket.<anonymous>
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/connection.js:309:
    22

  - events.js:96 emitOne
    events.js:96:13

  - events.js:188 Socket.emit
    events.js:188:7

  - _stream_readable.js:176 readableAddChunk
    _stream_readable.js:176:18

  - _stream_readable.js:134 Socket.Readable.push
    _stream_readable.js:134:10

  - net.js:551 TCP.onread
    net.js:551:20

  - glue.js:188 TCP.onread
    [myApp]/[async-listener]/glue.js:188:31


    ---- async ----

  - glue.js:150 asyncWrap
    [myApp]/[async-listener]/glue.js:150:28

  - glue.js:401 wrapCallback
    [myApp]/[async-listener]/glue.js:401:35

  - index.js:88 Socket.connect
    [myApp]/[async-listener]/index.js:88:29

  - net.js:74 Object.exports.connect.exports.createConnection
    net.js:74:35

  - connection.js:389 Connection.connect
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/connection.js:389:
    11

  - pool.js:1059 _createConnection
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:1059:14

  - pool.js:1151 
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:1151:13

  - pool.js:1082 waitForAuth
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:1082:39

  - pool.js:1090 
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:1090:5

  - pool.js:957 
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:957:21

  - glue.js:188 
    [myApp]/[async-listener]/glue.js:188:31

  - next_tick.js:67 _combinedTickCallback
    internal/process/next_tick.js:67:7

  - next_tick.js:98 process._tickCallback
    internal/process/next_tick.js:98:9


    ---- async ----

  - glue.js:150 asyncWrap
    [myApp]/[async-listener]/glue.js:150:28

  - glue.js:401 wrapCallback
    [myApp]/[async-listener]/glue.js:401:35

  - index.js:16 process.nextTick
    [myApp]/[async-listener]/index.js:16:26

  - pool.js:956 Pool.write
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:956:13

  - cursor.js:288 CommandCursor.Cursor._find
    [myApp]/[mongoose]/[mongodb-core]/lib/cursor.js:288:22

  - cursor.js:588 nextFunction
    [myApp]/[mongoose]/[mongodb-core]/lib/cursor.js:588:10

  - cursor.js:696 CommandCursor.Cursor.next [as _next]
    [myApp]/[mongoose]/[mongodb-core]/lib/cursor.js:696:3

  - cursor.js:849 fetchDocs
    [myApp]/[mongoose]/[mongodb]/lib/cursor.js:849:10

  - cursor.js:876 toArray
    [myApp]/[mongoose]/[mongodb]/lib/cursor.js:876:3

  - cursor.js:829 CommandCursor.Cursor.toArray
    [myApp]/[mongoose]/[mongodb]/lib/cursor.js:829:44

  - db.js:1662 indexInformation
    [myApp]/[mongoose]/[mongodb]/lib/db.js:1662:39

  - db.js:1626 Db.indexInformation
    [myApp]/[mongoose]/[mongodb]/lib/db.js:1626:44

  - db.js:1129 ensureIndex
    [myApp]/[mongoose]/[mongodb]/lib/db.js:1129:8

  - db.js:1105 Db.ensureIndex
    [myApp]/[mongoose]/[mongodb]/lib/db.js:1105:44

  - collection.js:1891 ensureIndex
    [myApp]/[mongoose]/[mongodb]/lib/collection.js:1891:13

  - collection.js:1879 Collection.ensureIndex
    [myApp]/[mongoose]/[mongodb]/lib/collection.js:1879:44

  - collection.js:126 NativeCollection.(anonymous function) [as ensureIndex]
    [myApp]/[mongoose]/lib/drivers/node-mongodb-native/collection.js:12
    6:28

  - model.js:1019 create
    [myApp]/[mongoose]/lib/model.js:1019:22

  - model.js:1033 Immediate.<anonymous>
    [myApp]/[mongoose]/lib/model.js:1033:7

  - timers.js:649 runCallback
    timers.js:649:20

  - timers.js:622 tryOnImmediate
    timers.js:622:5

  - timers.js:594 processImmediate [as _immediateCallback]
    timers.js:594:5


    ---- async ----

  - glue.js:150 asyncWrap
    [myApp]/[async-listener]/glue.js:150:28

  - glue.js:401 wrapCallback
    [myApp]/[async-listener]/glue.js:401:35

  - index.js:16 process.nextTick
    [myApp]/[async-listener]/index.js:16:26

  - _stream_writable.js:377 onwrite
    _stream_writable.js:377:15

  - _stream_writable.js:90 WritableState.onwrite
    _stream_writable.js:90:5

  - net.js:724 Socket._writeGeneric
    net.js:724:5

  - net.js:734 Socket._write
    net.js:734:8

  - _stream_writable.js:334 doWrite
    _stream_writable.js:334:12

  - _stream_writable.js:320 writeOrBuffer
    _stream_writable.js:320:5

  - _stream_writable.js:247 Socket.Writable.write
    _stream_writable.js:247:11

  - net.js:661 Socket.write
    net.js:661:40

  - connection.js:500 Connection.write
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/connection.js:500:
    53

  - pool.js:1137 
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:1137:26

  - pool.js:1082 waitForAuth
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:1082:39

  - pool.js:1090 
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:1090:5

  - pool.js:957 
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:957:21

  - glue.js:188 
    [myApp]/[async-listener]/glue.js:188:31

  - next_tick.js:67 _combinedTickCallback
    internal/process/next_tick.js:67:7

  - next_tick.js:98 process._tickCallback
    internal/process/next_tick.js:98:9


    ---- async ----

  - glue.js:150 asyncWrap
    [myApp]/[async-listener]/glue.js:150:28

  - glue.js:401 wrapCallback
    [myApp]/[async-listener]/glue.js:401:35

  - index.js:16 process.nextTick
    [myApp]/[async-listener]/index.js:16:26

  - pool.js:956 Pool.write
    [myApp]/[mongoose]/[mongodb-core]/lib/connection/pool.js:956:13

  - cursor.js:288 Cursor._find
    [myApp]/[mongoose]/[mongodb-core]/lib/cursor.js:288:22

  - cursor.js:588 nextFunction
    [myApp]/[mongoose]/[mongodb-core]/lib/cursor.js:588:10

  - cursor.js:696 Cursor.next [as _next]
    [myApp]/[mongoose]/[mongodb-core]/lib/cursor.js:696:3

  - cursor.js:672 nextObject
    [myApp]/[mongoose]/[mongodb]/lib/cursor.js:672:8

  - cursor.js:262 Cursor.next
    [myApp]/[mongoose]/[mongodb]/lib/cursor.js:262:12

  - collection.js:1401 findOne
    [myApp]/[mongoose]/[mongodb]/lib/collection.js:1401:10

  - collection.js:1387 Collection.findOne
    [myApp]/[mongoose]/[mongodb]/lib/collection.js:1387:44

  - collection.js:126 NativeCollection.(anonymous function) [as findOne]
    [myApp]/[mongoose]/lib/drivers/node-mongodb-native/collection.js:12
    6:28

  - node.js:38 NodeCollection.findOne
    [myApp]/[mquery]/lib/collection/node.js:38:19

  - mquery.js:1787 model.Query.Query.findOne
    [myApp]/[mquery]/lib/mquery.js:1787:20

  - query.js:1260 model.Query.Query._findOne
    [myApp]/[mongoose]/lib/query.js:1260:22

  - index.js:239 
    [myApp]/[kareem]/index.js:239:8

  - index.js:18 
    [myApp]/[kareem]/index.js:18:7

  - glue.js:188 
    [myApp]/[async-listener]/glue.js:188:31

  - next_tick.js:67 _combinedTickCallback
    internal/process/next_tick.js:67:7

  - next_tick.js:98 process._tickCallback
    internal/process/next_tick.js:98:9


    ---- async ----

  - glue.js:150 asyncWrap
    [myApp]/[async-listener]/glue.js:150:28

  - glue.js:401 wrapCallback
    [myApp]/[async-listener]/glue.js:401:35

  - index.js:16 process.nextTick
    [myApp]/[async-listener]/index.js:16:26

  - index.js:17 Kareem.execPre
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And*_*iga 0

我的预感是错误的（https://github.com/petkaantonov/bluebird/issues/1297）。

这个问题与它无关，nodejs它是一个猫鼬错误，该错误在较新的版本中已关闭https://github.com/Automattic/mongoose/issues/4209。在旧版本中，似乎需要在猫鼬查询末尾捕获错误。

解决方案：

PatientModel.findOne(newFilterUpdate).exec((err, patient) ->
    ...
).catch (err)->
    console.log "err #{err}"
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或升级mongoose

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