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  1. Go Driver
  2. GODRIVER-2959

Mongodb watch change stream will panic, when no data be found by query condition

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    • Type: Icon: Bug Bug
    • Resolution: Works as Designed
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: 1.12.1
    • Component/s: None
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      1. What would you like to communicate to the user about this feature?
      2. Would you like the user to see examples of the syntax and/or executable code and its output?
      3. Which versions of the driver/connector does this apply to?

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      1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

      Summary

      mongodb go driver version from 1.11.1 to 1.12.1, watch changestream will be panic.

      go.mongodb.org/mongo-driver/mongo.(*ChangeStream).loopNext(0xc000002140, {0x124ca00, 0x18e8040}, 0x0)
	/go/pkg/mod/go.mongodb.org/mongo-driver@v1.12.1/mongo/change_stream.go:658 +0x6b
go.mongodb.org/mongo-driver/mongo.(*ChangeStream).next(0xc000002140, {0x124ca00?, 0x18e8040?}, 0xd0?)
	/go/pkg/mod/go.mongodb.org/mongo-driver@v1.12.1/mongo/change_stream.go:627 +0x5d
go.mongodb.org/mongo-driver/mongo.(*ChangeStream).Next(...)
	/go/pkg/mod/go.mongodb.org/mongo-driver@v1.12.1/mongo/change_stream.go:598
draw-platform/storage/mongodb.(*StorageCollection).WatchRunnerResponse.func1()

      How to Reproduce

      Create a empty collection and set the Watch mongo.Pipeline{matchStage} like this:

       
      matchStage := bson.D{{
      Key: "$match", Value: bson.D{

      {Key: "fullDocument.env", Value: store.env}

      ,

      {Key: "fullDocument.requestUUID", Value: requestUUID}

      ,
      }},
      }
       
      and the query condition no datas will be found, because of I want to watch data from first data by the query condition.

       

            Assignee:
            preston.vasquez@mongodb.com Preston Vasquez
            Reporter:
            myselfxukai@163.com xkey N/A
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              Created:
              Updated:
              Resolved: