[jira] [Created] (THRIFT-4984) Scary and spammy "error processing request: EOF" logs from TSimpleServer

["Yuxuan Wang (Jira)" <ji...@apache.org>]

Yuxuan Wang created THRIFT-4984:
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             Summary: Scary and spammy "error processing request: EOF" logs from TSimpleServer
                 Key: THRIFT-4984
                 URL: https://issues.apache.org/jira/browse/THRIFT-4984
             Project: Thrift
          Issue Type: Bug
          Components: Go - Library
    Affects Versions: 0.13.0
            Reporter: Yuxuan Wang


After upgraded our code to 0.13.0, we noticed a lot of the logs in stderr:

{code}
2019/10/22 22:04:52 error processing request: EOF
{code}

I think they are generated by this line https://github.com/apache/thrift/blob/v0.13.0/lib/go/thrift/simple_server.go#L167, which means EOF is an error returned by processRequests function.

In that function we actually treat some EOF errors as non-errors ([example|https://github.com/apache/thrift/blob/v0.13.0/lib/go/thrift/simple_server.go#L266]), so I think it's just that we missed some cases and didn't treat all harmless EOF errors as non-errors.



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