Bill Neubauer created BEAM-3474:
-----------------------------------

             Summary: Go SD: panic handling swallows the stack trace, hurting 
debuggability
                 Key: BEAM-3474
                 URL: https://issues.apache.org/jira/browse/BEAM-3474
             Project: Beam
          Issue Type: Bug
          Components: sdk-go
            Reporter: Bill Neubauer
            Assignee: Bill Neubauer
            Priority: Minor


The panic handlers 

https://github.com/apache/beam/blob/go-sdk/sdks/go/pkg/beam/core/runtime/exec/util.go#L39

and 

https://github.com/apache/beam/blob/go-sdk/sdks/go/pkg/beam/core/runtime/exec/util.go#L49

should include the output of "runtime/debug"'s Stack() call so the user can see 
what caused the panic.



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