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https://issues.apache.org/jira/browse/BEAM-11604?focusedWorklogId=536689&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-536689
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ASF GitHub Bot logged work on BEAM-11604:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Jan/21 01:05
Start Date: 16/Jan/21 01:05
Worklog Time Spent: 10m
Work Description: lostluck merged pull request #13720:
URL: https://github.com/apache/beam/pull/13720
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Issue Time Tracking
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Worklog Id: (was: 536689)
Time Spent: 0.5h (was: 20m)
> Prevent panic to run streaming_wordcap
> --------------------------------------
>
> Key: BEAM-11604
> URL: https://issues.apache.org/jira/browse/BEAM-11604
> Project: Beam
> Issue Type: Bug
> Components: sdk-go
> Environment: go version go1.15.6 darwin/amd64
> Reporter: Yusaku Matsuki
> Priority: P3
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> I tried to the example streaming_wordcap/wordcap.go and panic occurred.
>
> {code:java}
> $ cd beam/sdks/go/examples/streaming_wordcap/wordcap.go
> $ go run wordcap.go \
> --project=MY_PROJECT\
> --temp_location=gs://MY_BUKET/tmp\
> --staging_location=gs://MY_BUKET/binaries\
> --runner=dataflow
> ...
> panic: runtime error: invalid memory address or nil pointer dereferencepanic:
> runtime error: invalid memory address or nil pointer dereference[signal
> SIGSEGV: segmentation violation code=0x1 addr=0x58 pc=0x15b85c3]
> goroutine 1
> [running]:github.com/apache/beam/sdks/go/pkg/beam/core/runtime/graphx.(*marshaller).addMultiEdge(0xc00079ba10,
> 0x1d16d9d, 0x8, 0xc00025a0a0, 0x2544dc0, 0xc0001f6c00, 0x2, 0x30, 0x2867560)
>
> $GOPATH/pkg/mod/github.com/apache/[email protected]+incompatible/sdks/go/pkg/beam/core/runtime/graphx/translate.go:305
> +0x163
> ...{code}
>
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