FreeTDS Development Group

[Frediano Ziglio <freddy77 AT gmail.com>]

2011/6/28 Agnieszka Figiel <agnieszka AT llp.pl>:
> Hello,
>
> Forgive me if I'm double posting -- I don't think this message went
> through yesterday, possibly because I included attachments that were
> too large.
>
> I'm getting an error when trying to update a large text field. The
> definition of this field is:
>
> [Info] [varchar](max) NULL
>
> and I'm using 0.91 RC2, but the error was present also in patched 0.82.
>
> Problem is, it only occurs in one of two MS SQL 2008 instances with
> which I tested -- unfortunately the one where I don't have any admin
> access, so I'm not sure about any configuration specifics. One
> difference I know between these instances is that the failing one
> requires encryption. The only way I could get freetds to talk to this
> db at all was by compiling --with-gnutls.
>
> The reason why I think this problem lies with FreeTDS is that the
> issue does not occur when I execute the same update statement using
> the java jtds driver.
>
> The error encountered during tsql session error is as follows:
>
> Error 20004 (severity 9):
>       Read from the server failed
>       OS error 104, "Connection reset by peer"
>

I checked error 104 and is ECONNRESET (as string correctly reported).
>From log we send data and server refure it. Perhaps it does not like
something in gnutls encoding :(

Could you try with --with-openssl

> after which the connection is dropped and subsequent statements raise:
>
> Error 20006 (severity 9):
>       Write to the server failed
> tds_submit_query() failed
>
> The complete tsql session output and tds dump are available here:
> https://gist.github.com/1050634
>
> I also tested to see at what character count the problem disappears --
> I was able to update up to 1895 characters. Please advise what else to
> check in order to help find out what is causing this. Especially if
> there are some settings or logs available to the DBA -- I can ask to
> get them if I know what to ask for.
>
> Thank you!
>
> Agnieszka Figiel

bye
  freddy77