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From Clinton Begin <clinton.be...@gmail.com>
Subject Re: iBatis with Derby
Date Mon, 07 Nov 2005 14:40:44 GMT
Have you specified the jdbcType attribute for all nullable fields? If not,
try that. It's a requirement imposed by the JDBC API (which some drivers,
like MySQL, do fine without).


On 11/7/05, Brad Balmer <bbalmer@gmail.com> wrote:
> Sorry if I should be posting this to derby's list but I was hoping that
> someone here may have also run into this. My web application was running on
> on MySQL with no issues. I am porting it over to now run on Derby and am
> running into some issues inserting NULL values into simple VARCHAR fields.
> I'm running iBatis 2.1.6 and when I try an update statement to my table I
> am getting the following SQL Exception:
> An attempt was made to get a data value of type 'VARCHAR' from a data
> value of type '0'.
> The fields I am updating allows NULL values and is declared simply as a
> VARCHAR(20).
> The version of Derby I'm using is 10.1.1
> The reason that I'm asking on this list is since I don't have control of
> the underlying set functions for setting my PreparedStatement/Statement
> values maybe there was something I needed to tweak to get iBatis running
> with Derby.
> Thanks for any help.

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