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Posted to dev@subversion.apache.org by Thomas Singer <th...@syntevo.com> on 2020/11/26 07:41:55 UTC

Error E170013: The server unexpectedly closed the,connection.

Hi,

A user of SmartSVN with SVN 1.14 reports a problem in connecting to the 
SVN server while it works in the browser. I redirected him to use our 
self-built SVN 1.14 binaries and he reports following error

MacBook-Pro:user$ svn update

Updating '.':

*svn: E170013*: Unable to connect to a repository at URL '
https://svn.workapps.com/svn/OneWorkbook/trunk'

*svn: E120108*: Error running context: The server unexpectedly closed 
the connection.


How to diagnose the problem? Is it a problem of SVN or the server? 
Thanks in advance.

-- 
Best regards,
Thomas Singer

Re: Error E170013: The server unexpectedly closed the,connection.

Posted by Thomas Singer <th...@syntevo.com>.
Hi Daniel and Brane,

Thanks for your feedback. I haven't heard back from the user whether 
your suggestions solved the problem.

-- 
Best regards,
Thomas Singer
=============
syntevo GmbH
www.syntevo.com


On 2020-11-28 16:40, Branko Čibej wrote:
> On 27.11.2020 22:24, Daniel Sahlberg wrote:
>> Den fre 27 nov. 2020 kl 20:45 skrev Thomas Singer 
>> <thomas.singer@syntevo.com <ma...@syntevo.com>>:
>>
>>     How valuable is the information that the user can access the SVN
>>     server
>>     from a browser? How to analyze/debug the access to find out at what
>>     stage it fails?
>>
>>
>> Not a Mac guy myself, but I on Windows would suspect proxy 
>> configurations in the browser, application aware firewall that filter 
>> out requests from Subversion or some trickery with the https 
>> certificate chain. I would assume these are also possible on macOS. On 
>> corporate networks I have seen firewalls or transparent proxy servers 
>> that decrypt https traffic and filter based on for example user agent 
>> strings or usage patterns.
>>
>> It seems Wireshark is available for macOS so I would start there to 
>> make sure traffic is actually getting out of the box. Then working my 
>> way through the network to see where the packages are dropped.
> 
> 
> I concur, all of the above makes sense.
> 
> -- Brane

Re: Error E170013: The server unexpectedly closed the,connection.

Posted by Branko Čibej <br...@apache.org>.
On 27.11.2020 22:24, Daniel Sahlberg wrote:
> Den fre 27 nov. 2020 kl 20:45 skrev Thomas Singer 
> <thomas.singer@syntevo.com <ma...@syntevo.com>>:
>
>     How valuable is the information that the user can access the SVN
>     server
>     from a browser? How to analyze/debug the access to find out at what
>     stage it fails?
>
>
> Not a Mac guy myself, but I on Windows would suspect proxy 
> configurations in the browser, application aware firewall that filter 
> out requests from Subversion or some trickery with the https 
> certificate chain. I would assume these are also possible on macOS. On 
> corporate networks I have seen firewalls or transparent proxy servers 
> that decrypt https traffic and filter based on for example user agent 
> strings or usage patterns.
>
> It seems Wireshark is available for macOS so I would start there to 
> make sure traffic is actually getting out of the box. Then working my 
> way through the network to see where the packages are dropped.


I concur, all of the above makes sense.

-- Brane

Re: Error E170013: The server unexpectedly closed the,connection.

Posted by Daniel Sahlberg <da...@gmail.com>.
Den fre 27 nov. 2020 kl 20:45 skrev Thomas Singer <thomas.singer@syntevo.com
>:

> How valuable is the information that the user can access the SVN server
> from a browser? How to analyze/debug the access to find out at what
> stage it fails?
>

Not a Mac guy myself, but I on Windows would suspect proxy configurations
in the browser, application aware firewall that filter out requests from
Subversion or some trickery with the https certificate chain. I would
assume these are also possible on macOS. On corporate networks I have seen
firewalls or transparent proxy servers that decrypt https traffic and
filter based on for example user agent strings or usage patterns.

It seems Wireshark is available for macOS so I would start there to make
sure traffic is actually getting out of the box. Then working my way
through the network to see where the packages are dropped.

Kind regards
Daniel Sahlberg

Re: Error E170013: The server unexpectedly closed the,connection.

Posted by Thomas Singer <th...@syntevo.com>.
How valuable is the information that the user can access the SVN server 
from a browser? How to analyze/debug the access to find out at what 
stage it fails?

--
Tom


On 2020-11-27 9:27, Branko Čibej wrote:
> On 27.11.2020 07:18, Thomas Singer wrote:
>> Hi,
>>
>> According to the user this error occurs now permanently on macOS 10.15 
>> for him while in previous versions it only occurred sometimes with 
>> macOS 10.14/15, but not with 10.12/13.
> 
> Just as a data point, I use svn-1.14 on macOS 10.15 all the time with no 
> problems. But I can't even connect to port 443 on this server, there's 
> no response, with or without Subversion. My guess would be that 
> something is wrong with the configuration on the server end, it sure 
> looks like it's just dropping packets.
> 
> -- Brane

Re: Error E170013: The server unexpectedly closed the,connection.

Posted by Branko Čibej <br...@apache.org>.
On 27.11.2020 07:18, Thomas Singer wrote:
> Hi,
>
> According to the user this error occurs now permanently on macOS 10.15 
> for him while in previous versions it only occurred sometimes with 
> macOS 10.14/15, but not with 10.12/13.

Just as a data point, I use svn-1.14 on macOS 10.15 all the time with no 
problems. But I can't even connect to port 443 on this server, there's 
no response, with or without Subversion. My guess would be that 
something is wrong with the configuration on the server end, it sure 
looks like it's just dropping packets.

-- Brane

Re: Error E170013: The server unexpectedly closed the,connection.

Posted by Thomas Singer <th...@syntevo.com>.
Hi,

According to the user this error occurs now permanently on macOS 10.15 
for him while in previous versions it only occurred sometimes with macOS 
10.14/15, but not with 10.12/13.

-- 
Best regards,
Thomas Singer


On 2020-11-26 8:41, Thomas Singer wrote:
> Hi,
> 
> A user of SmartSVN with SVN 1.14 reports a problem in connecting to the 
> SVN server while it works in the browser. I redirected him to use our 
> self-built SVN 1.14 binaries and he reports following error
> 
> MacBook-Pro:user$ svn update
> 
> Updating '.':
> 
> *svn: E170013*: Unable to connect to a repository at URL '
> https://svn.workapps.com/svn/OneWorkbook/trunk'
> 
> *svn: E120108*: Error running context: The server unexpectedly closed 
> the connection.
> 
> 
> How to diagnose the problem? Is it a problem of SVN or the server? 
> Thanks in advance.
>