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json codec met panic: interface conversion: interface {} is string, not []uint8 #2758

Closed
Tracked by #4737
amyangfei opened this issue Sep 7, 2021 · 0 comments · Fixed by #2764
Closed
Tracked by #4737

json codec met panic: interface conversion: interface {} is string, not []uint8 #2758

amyangfei opened this issue Sep 7, 2021 · 0 comments · Fixed by #2764
Labels
affects-4.0 affects-5.0 affects-5.1 affects-5.2 area/ticdc Issues or PRs related to TiCDC. component/open-protocol Open TiCDC protocol component. severity/major type/bug The issue is confirmed as a bug.

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@amyangfei
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Bug Report

Please answer these questions before submitting your issue. Thanks!

  1. What did you do? If possible, provide a recipe for reproducing the error.
panic: interface conversion: interface {} is string, not []uint8

goroutine 3552 [running]:
github.com/pingcap/ticdc/cdc/sink/codec.(*column).FromSinkColumn(0xc00e3c7b88, 0xc01f526e40)
	github.com/pingcap/ticdc/cdc/sink/codec/json.go:67 +0x357
github.com/pingcap/ticdc/cdc/sink/codec.sinkColumns2JsonColumns(0xc016bfda20, 0x16, 0x16, 0xc031903bc0)
	github.com/pingcap/ticdc/cdc/sink/codec/json.go:227 +0xaa
github.com/pingcap/ticdc/cdc/sink/codec.rowEventToMqMessage(0xc01f511000, 0xc00dd2a8c0, 0x4a4a368)
	github.com/pingcap/ticdc/cdc/sink/codec/json.go:215 +0x16e
github.com/pingcap/ticdc/cdc/sink/codec.(*JSONEventBatchEncoder).AppendRowChangedEvent(0xc00dd2a8c0, 0xc01f511000, 0x3, 0x2, 0x1)
	github.com/pingcap/ticdc/cdc/sink/codec/json.go:372 +0x43
github.com/pingcap/ticdc/cdc/sink.(*mqSink).runWorker(0xc00e72aea0, 0x2e57ba0, 0xc00e7b0940, 0x0, 0x0, 0x0)
	github.com/pingcap/ticdc/cdc/sink/mq.go:349 +0x3c0
github.com/pingcap/ticdc/cdc/sink.(*mqSink).run.func1(0x0, 0x0)
	github.com/pingcap/ticdc/cdc/sink/mq.go:279 +0x46
golang.org/x/sync/errgroup.(*Group).Go.func1(0xc00d90fda0, 0xc00595ea40)
	golang.org/x/sync@v0.0.0-20201020160332-67f06af15bc9/errgroup/errgroup.go:57 +0x59
created by golang.org/x/sync/errgroup.(*Group).Go
	golang.org/x/sync@v0.0.0-20201020160332-67f06af15bc9/errgroup/errgroup.go:54 +0x66
  • resume changefeed can recover
  1. Versions of the cluster

    • Upstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):

      v4.0.9
      
    • TiCDC version (execute cdc version):

      v4.0.12
      
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Labels
affects-4.0 affects-5.0 affects-5.1 affects-5.2 area/ticdc Issues or PRs related to TiCDC. component/open-protocol Open TiCDC protocol component. severity/major type/bug The issue is confirmed as a bug.
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3 participants