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Subject: Re: JavaHL, 1.9: "Bad file descriptor", "Stream doesn't support
 thiscapability" errors
To: bert@qqmail.nl, "dev@subversion.apache.org" <dev@subversion.apache.org>
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From: Thomas Singer <thomas.singer@syntevo.com>
Message-ID: <55DC453B.6060201@syntevo.com>
Date: Tue, 25 Aug 2015 12:36:43 +0200
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Is this bug already reported in the issue tracker? I've searched but 
could not found. Should I report it?

--
Best regards,
Thomas Singer
=============
syntevo GmbH
http://www.syntevo.com
http://www.syntevo.com/blog


On 20.08.2015 09:28, bert@qqmail.nl wrote:
> Hi Thomas,
>
> The Subversion version of the fix is nominated for 1.9.1
> [[
> + * r1696222, r1696225
> +   Implement polling on named pipes on Windows to resolve svn+ssh:// problems
> +   Justification:
> +     Without this patch operations like checkout just fail with an error.
> +     This is a regression as older Subversion releases ignored the error.
> +   Votes:
> ]]
>
> Apr just returns EBADF on any attempt to poll on a file or pipe on Windows. This workaround on the Subversion side makes us support polling on pipes. (In Subversion < 1.8 we always assumed that there was no data waiting, because we never bothered to check for an error)
>
> The apr version of the patch is harder than I expected, because the poll function supports many flags of which we can really only implement one new variant, that can’t really be combined with any other flags.
>
>
> We need one more vote on this, before we can start the release process on 1.9.1.
>
> I would hope we can also get r1696695 in the release, as that problem appears to break Subversion for at least some Linux distributions.
>
>
>
> We might want to consider also fixing the polling in 1.8 (and 1.7?), as that would allow exiting much earlier when a commit fails. Currently Subversion (when using svn+ssh:// on Windows) just goes on trying to commit on Windows and only notices that svnserve returned an error when done.
>
>
> Bert
>
> Sent from Mail for Windows 10
>
>
>
> From: Thomas Singer
> Sent: donderdag 20 augustus 2015 08:23
> To: dev@subversion.apache.org
> Subject: Re: JavaHL, 1.9: "Bad file descriptor", "Stream doesn't support thiscapability" errors
>
>
> Hi Bert,
>
>> I'll see if I can properly fix this (preferably in both Subversion and Apr), without reverting to just ignoring errors.
>
> Did you have any success fixing it yet? Is there already a bug entered
> in the issue tracker? I'd rate it as blocker priority.
>
> --
> Best regards,
> Thomas Singer
> =============
> syntevo GmbH
> http://www.syntevo.com
> http://www.syntevo.com/blog
>
>
>