Hi Gerrick,
I have turned this warning off for 3.3.2 onwards. If you are desperate to get
this change immediately, then you would need to write a small TBC plugin that
does the following call against the Jena API:
// Suppress datatype format exception
NodeValue.VerboseWarnings = false;
I would be surprised though if switching off the warnings will have such a
dramatic effect on performance. Please confirm that it helped once you had a
chance to try it out (with 3.3.2 I guess, in a few weeks).
Cheers,
Holger
On May 8, 2010, at 5:22 AM, Gerrick Bivins wrote:
> Hello all,
> I'm running across a strange error that I'm unable to fix. After upgrading
> to 3.3.1, I noticed one of my SM scripts was throwing a datatype warning.
> Initially I thought it was because of one my columns was datetime data and I
> thought I was not parsing and casting it properly.
> After fixing this, I noticed that the error was still being thrown but not
> consistently.
> So far I've only been able to replicate the error by doing the following:
> 1) create a spreadsheet with a column that has decimal data.
> 2) make the first non string entry in that column a decimal like 1.0 or 0.0.
> Excel chops the digits after the decimal automatically.
> 3) Import the spreadsheet using SM
> 4) Create a spreadsheet using sml:CreateSpreadsheet.
> 5) In the sml:CreateSpreadsheet module, query for the values and try to cast
> them to another xsd:datatype like (xsd:string or xsd:float)
> This causes the warning.
> If you change the first non string entry into 1.1, the cast error goes away.
>
> Anyway, this is a problem for us in that we are importing spreadsheets with
> 10k rows of data and mapping the data to our ontology.
> The printing of this stack trace is impacting our import performance
> significantly and we are unable to tune it any further.
>
> Is there a way to work around this?
> Attached is a SM script and a sample spreadsheet that is throwing the
> datatype error when trying to cast the literal value.
> Gerrick
>
>
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> <cast-datatype-format-warning.log><testcastexception.n3><TestFormat.xls>
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