Re: EXTERNAL: error 'Network connection closed unexpectedly' while svn update

Hi Andrew and everyone,

I do not think it is a bug in the network connection.
The root cause is, the patch over two commits is empty.
It means one commit makes a change and the next commit is a revert.
If you now try to update both commits at once, you will get the described error.

Thanks in advance for your help.

Best regards

Detlef

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On 06.12.2019 08:04, Marlow, Andrew wrote:
> Hello everyone and thank you Detlef for reporting this situation. I want to add that I also see this from time 
> to time and would like to see a fix.
> 
> It is very easy for me to see network errors from subversion because I am in an environment where the network 
> is extremely unreliable. This fact has revealed several software products that, IMHO, do not take transient 
> network errors into account. I think it is a common failing, especially as networks have generally become more 
> reliable over the years (so it’s easy to take it for granted when writing socket code).
> 
> *From:*Detlef Braungardt <develop_at_CoseB.de>
> *Sent:* 05 December 2019 15:58
> *To:* users_at_subversion.apache.org
> *Subject:* EXTERNAL: error 'Network connection closed unexpectedly' while svn update
> 
> Hi everyone,
> 
> 
> we use TortoiseSVN for our development.
> 
> But in a special situation we get an error 'Network connection closed unexpectedly' during a svn update. The 
> steps to reproduce the situation is writed down in the Google Groups thread.
> I posted this error as a bug on the Tortoise list.
> 
>     https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!topic/tortoisesvn/MSaacoX73DU
>     <https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fforum%2F%3Futm_medium%3Demail%26utm_source%3Dfooter%23!topic%2Ftortoisesvn%2FMSaacoX73DU&data=02%7C01%7CAndrew.Marlow%40fisglobal.com%7C3be8fcabcd524657e61008d779b13c9e%7Ce3ff91d834c84b15a0b418910a6ac575%7C0%7C0%7C637111674440227133&sdata=anRTPgDrrRH5khIM7WFKsvXYwPqoYrANept%2Bmzd9ybY%3D&reserved=0>
> 
> After a short communication we found out that the bug is probably contained in the libsvn.
> 
>     C:\Program Files\TortoiseSVN\bin>svn update "D:\Develop\FIRMA\trunk\Tests" -r 15749
>     Updating 'D:\Develop\FIRMA\trunk\Tests':
> 
>     svn: E235000: In file '/build/subversion-Lv3Qkk/subversion-1.9.7/subversion/libsvn_fs_base/trail.c' line
>     97: assertion failed (! bfd->in_txn_trail)
>     svn: E210002: Network connection closed unexpectedly
> 
> Can you help us to fix this bug?
> Thanks in advance.
> 
> 
> Best regards
> 
> Detlef
> 
> -- 
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*              Computerservice Braungardt               *
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*      Dipl.-Wirtsch.-Inf.      Detlef Braungardt       *
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* email:        develop_at_CoseB.de                        *
* www:          www.CoseB.de                            *
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