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Posted to dev@thrift.apache.org by "Jens Geyer (Jira)" <ji...@apache.org> on 2020/04/27 21:00:00 UTC

[jira] [Resolved] (THRIFT-5188) Occasional ERROR_INSUFFICIENT_BUFFER at WinHttpQueryHeaders()

     [ https://issues.apache.org/jira/browse/THRIFT-5188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jens Geyer resolved THRIFT-5188.
--------------------------------
    Fix Version/s: 0.14.0
         Assignee: Jens Geyer
       Resolution: Fixed

> Occasional ERROR_INSUFFICIENT_BUFFER at WinHttpQueryHeaders()
> -------------------------------------------------------------
>
>                 Key: THRIFT-5188
>                 URL: https://issues.apache.org/jira/browse/THRIFT-5188
>             Project: Thrift
>          Issue Type: Bug
>          Components: Delphi - Library
>            Reporter: Jens Geyer
>            Assignee: Jens Geyer
>            Priority: Major
>             Fix For: 0.14.0
>
>         Attachments: 0001-THRIFT-5188-Occasional-ERROR_INSUFFICIENT_BUFFER-at-.patch
>
>
> Calls {{WinHttpQueryHeaders()}} sometimes return error 122 (ERROR_INSUFFICIENT_BUFFER) even if the buffer is large enough, leading TWinHTTPRequestImpl.QueryTotalResponseSize() to fail.. 
> According to the docs, WINHTTP_QUERY_FLAG_NUMBER always returns a 32 bit number (which it indeed does), but for some strange reason since win 10 build 18636.815 passing a DWORD sized buffer is sometimes not enough anymore



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