Here's the Exception:

java.sql.SQLException: Problem getting connection:
javax.resource.ResourceException: Incompatible subject or
ConnectionRequestInfo in getConnection!

at org.firebirdsql.jdbc.FBDataSource.getConnection(FBDataSource.java:122)

at org.firebirdsql.jdbc.FBDriver.connect(FBDriver.java:177)

at java.sql.DriverManager.getConnection(DriverManager.java:517)

at java.sql.DriverManager.getConnection(DriverManager.java:177)

....