Thanks. I finally found the error by setting a conditional breakpoint
> Divide and conquer. Comment out parts of the file until the error goes away to isolate the problem. Consider refactoring it into more manageable pieces,
>
> Richard
>
> Sent from my iPhone
>
> On Sep 1, 2010, at 8:10 AM, Abid Hussain <
[hidden email]> wrote:
>
> > Hello,
>
> > I'm using iBatis 2.3.4.
>
> > when processing a sql map iBatis throws the following exeption:
> > org.springframework.jdbc.UncategorizedSQLException: SqlMapClient
> > operation; uncategorized SQLException for SQL []; SQL state [null];
> > error code [0];
> > --- The error occurred in sqlCrosstab.xml.
> > --- The error occurred while preparing the mapped statement for
> > execution.
> > --- Check the getCrosstabGroup.
> > --- Check the parameter map.
> > --- Cause: java.lang.NullPointerException; nested exception is
> > com.ibatis.common.jdbc.exception.NestedSQLException:
> > --- The error occurred in sqlCrosstab.xml.
> > --- The error occurred while preparing the mapped statement for
> > execution.
> > --- Check the getCrosstabGroup.
> > --- Check the parameter map.
> > --- Cause: java.lang.NullPointerException
>
> > My problem is now that the sql statement ist the results from a large
> > number of combined nested sql fragments (the sql map file has more
> > than 4000 lines) built together in the "getCrosstabGroup" select
> > element. It would take quite a long time to find the fragment which
> > caused the exeption. Unfortunately iBatis doesn't give any more
> > detailed information about the fragment in which the exception
> > occured. The throwed NullPointerException also doesn't has a stack
> > strace and following the exception cause path is a not ending tree of
> > NullPointerExceptions.
>
> > Does anybody have an idea on how I can find the fragment where the
> > exception occured or how to instruct iBatis to give more detailed
> > information?
>
> > Regards,
>
> > Abid
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