Hi Frank,

Can you include the stack trace for this error? The ALTER TABLE statement does not mention a ROOT schema, so it is hard to see how this error would come from Derby.

Thanks,
-Rick

On 10/1/13 8:00 AM, Frank Rivera wrote:
Using *Derby 10.10.1.1 Embedded*

*Tomcat 6*

using *tomcat-jdbc connection pool*

The following simple statement fails with the following error " *Schema 'ROOT' does not exist* " although the schema is clearly stated *esq.licreq*

*ALTER TABLE esq.licreq ADD COLUMN u_domain GENERATED ALWAYS AS (UPPER(domain)); *
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*
Reads and writes are fine. All Alter statements fail.

Without tomcat-jdbc.jar stored in the tomcat/lib folder Alter statements work. A pooled connection problem with tomcat-jdbc doesn't seem like the cause since the underlying driver is in fact Derby.
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Sincerely,/
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*Frank Rivera* CEO
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