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[protege-owl] data too long for column 'long_value' at row1 in the protege 3.4 rc 2

Tania Tudorache tudorache at
Mon Mar 16 16:27:35 PDT 2009

First fix is to remove all the lines for setting the column types from 
the file (like the one you mention below). This was 
necessary in the 3.4 beta, but not in the 3.4 release.

By default now, Protege uses columns that are 500 chars long (for frame, 
slot, facet and short_value), and for the 'long_value' column it uses a 
"MEDIUMTEXT" which is quite long (16.777.215 characters).

If after cleaning up the file, you still get the 
exception, please post the entire exception to the list.

There is a way to set the long_value column type in 3.4, if the above 
solution fails.


sunweicong85 at wrote:
> Hi,all!
>     when i save the owl file into the mysql database,the following error comes out: data too long for column 'long_value' at row1. i use  the protege 3.4 rc 2.  i find the information how to deal the problem in 3.4 beta ,by adding a line in 
> ,but the way is applied in the 3.4 rc 2. how i should do ?
>        thank you !
>                                                                                        sun
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