Yusaku Matsuki created BEAM-11604:
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Summary: 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
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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