Hi,

URL-encoded params are fully supported only when you get connection
from java.sql.DriverManager (using FBDriver class). I just added
possibility to set lc_ctype in deployment descriptor, but I haven't
tested it (however it should work). Update your sources, rebuild
driver and add following to your deployment descriptor:

<config-property>
<config-property-name>Encoding</config-property-name>
<config-property-type>java.lang.String</config-property-type>
<config-property-value>UNICODE_FSS</config-property-value>
</config-property>

Best regards,
Roman Rokytskyy