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Re: JavaHL, 1.9: "Bad file descriptor", "Stream doesn't support this capability" errors

From: Marc Strapetz <marc.strapetz_at_syntevo.com>
Date: Fri, 14 Aug 2015 09:09:58 +0200

On 14.08.2015 00:20, Branko Čibej wrote:
> On 13.08.2015 13:32, Marc Strapetz wrote:
>> On 27.07.2015 09:21, Branko Čibej wrote:
>>> On 27.07.2015 09:17, Marc Strapetz wrote:
>>>> One of our 1.9 (early-access) users is reporting problems when
>>>> performing remote commands, for example a copy URL->URL:
>>>> org.apache.subversion.javahl.ClientException: Stream doesn't support
>>>> this capability
>>>> Bad file descriptor
>>>> svn: Polling for available data on filestream failed: Bad file
>>>> descriptor
>>>> at org.apache.subversion.javahl.SVNClient.copy(Native Method)
>>>> at ...
>>>> He hasn't encountered such problems with 1.8 versions.
>>>> AFAIU, he is connecting using SSH. Is this an SSH-related problem?
>>>> Could it be related to the underlying SSH client?
>>> Which platform is this? Can the user reproduce this problem with the
>>> command-line svn on the same machine?
>> It's on Windows, in combination with SSH. I'm now able to reproduce
>> this problem myself and it looks like a regression to me:
>> It's reproducible with our own Windows binaries as well as with the
>> WANdisco binaries. It's reproducible with Plink/Pageant as well as
>> with Trilead SSH. The commit works fine with Subversion 1.8.
>> Is there any additional information/debugging I can do on my side?
> I'd still want to know if the command-line client works. If not, a
> minimal Java program using JavaHL that demonstrates the problem would be
> a real help.

No, the command-line client does not work: neither the binaries we are
building nor WANdisco's binaries.

It's reproducible with an empty repository on the server (just
initialized with svnadmin) and a local repository which has been
prepared for the initial import:

C:\temp\svn> svn status -v
                  0 0 ? .
A - ? ? dir
A - ? ? dir\subfile
A - ? ? file

C:\temp\svn> svn commit -m "initial import"
svn: E140004: Commit failed (details follow):
svn: E140004: Stream doesn't support this capability
svn: E000009: Polling for available data on filestream failed: Bad file

On the server, we are running SVN 1.6.17.

Received on 2015-08-14 09:09:41 CEST

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