> My original problem was resolved as I figured out that the character set
> was the culprit.

Ok.

> The jar jaybird-full-2.0.1.jar is in tomcat lib folder and I also checked
> that the isc_error_msg.properties file is contained in it. However, I
> searched in the properties file and found that the error code that I was
> getting (335544854) was not present in the file.
>
> Am I using a wrong file?

Not really. But you then are using FB 2.0, and on time of Jaybird 2.0.1 we
simply did not have that error message. If you upgrade to Jaybird 2.1.0,
everything should be ok - it contains most recent messages on the time of
release.

Roman