Bill Neubauer created BEAM-3473:
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Summary: Go SDK: GroupByKey outputs cause the SDK harness to panic
Key: BEAM-3473
URL: https://issues.apache.org/jira/browse/BEAM-3473
Project: Beam
Issue Type: Bug
Components: sdk-go
Reporter: Bill Neubauer
Assignee: Bill Neubauer
https://github.com/apache/beam/blob/go-sdk/sdks/go/pkg/beam/core/runtime/exec/fn.go#L81
The call to makeIter returns the ReusableInput, but Init() has not been called
on it. While this will be called for side inputs, this isn't happening in the
main input case, and causes a panic when the function is called from user code.
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