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  1. Couchbase Server
  2. MB-20693

data race in Fetch.flushBatch()

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Details

    • Bug
    • Resolution: Fixed
    • Major
    • 4.6.0, 5.0.0
    • 5.0.0
    • query
    • None
    • Untriaged
    • Unknown

    Description

      To reproduce, go to test/multistore/test_cases/case_functions/testcs_case_func and run "go test -race ." . You should see several data races, including this one.

      WARNING: DATA RACE
      		 
      Read by goroutine 115:
      		 
        github.com/couchbase/query/execution.(*Fetch).flushBatch()
      		 
            /Users/johanlarson/go-workspace/src/github.com/couchbase/query/execution/fetch.go:119 +0x92f
      		 
        github.com/couchbase/query/execution.(*Fetch).afterItems()
      		 
            /Users/johanlarson/go-workspace/src/github.com/couchbase/query/execution/fetch.go:65 +0x3c
      		 
        github.com/couchbase/query/execution.(*base).runConsumer.func1()
      		 
            /Users/johanlarson/go-workspace/src/github.com/couchbase/query/execution/base.go:196 +0x397
      		 
        sync.(*Once).Do()
      		 
            /usr/local/Cellar/go/1.6.2/libexec/src/sync/once.go:44 +0xf6
      		 
        github.com/couchbase/query/execution.(*base).runConsumer()
      		 
            /Users/johanlarson/go-workspace/src/github.com/couchbase/query/execution/base.go:197 +0xea
      		 
        github.com/couchbase/query/execution.(*Fetch).RunOnce()
      		 
            /Users/johanlarson/go-workspace/src/github.com/couchbase/query/execution/fetch.go:49 +0x9f
      		 
       
      		 
      Previous write by goroutine 112:
      		 
        github.com/couchbase/query/execution.(*Fetch).flushBatch()
      		 
            /Users/johanlarson/go-workspace/src/github.com/couchbase/query/execution/fetch.go:119 +0x948
      		 
        github.com/couchbase/query/execution.(*Fetch).afterItems()
      		 
            /Users/johanlarson/go-workspace/src/github.com/couchbase/query/execution/fetch.go:65 +0x3c
      		 
        github.com/couchbase/query/execution.(*base).runConsumer.func1()
      		 
            /Users/johanlarson/go-workspace/src/github.com/couchbase/query/execution/base.go:196 +0x397
      		 
        sync.(*Once).Do()
      		 
            /usr/local/Cellar/go/1.6.2/libexec/src/sync/once.go:44 +0xf6
      		 
        github.com/couchbase/query/execution.(*base).runConsumer()
      		 
            /Users/johanlarson/go-workspace/src/github.com/couchbase/query/execution/base.go:197 +0xea
      		 
        github.com/couchbase/query/execution.(*Fetch).RunOnce()
      		 
            /Users/johanlarson/go-workspace/src/github.com/couchbase/query/execution/fetch.go:49 +0x9f

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          Task - A task that needs to be done. MB-20290 4.6.0 Point Release

          • Major - Major loss of function.
          • Closed
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              johan.larson Johan Larson (Inactive)
              johan.larson Johan Larson (Inactive)
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                Created:
                Updated:
                Resolved:

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