I read that and tried an old style URI.
It didn't work, still the same error (if it had been a problem it would almost certainly have happened at all times of course, rather than just when called from a web application).
May try updating to the latest builds of Jaybird and FB and see what that does.

--- In firebird-support@yahoogroups.com, "Mark Rotteveel" <Avalanche1979@...> wrote:
>
> See: http://tracker.firebirdsql.org/browse/JDBC-96
>
> Summary occurs with Firebird 2.0 SS (maybe also 2.1) in combination with Jaybird 2.1
>
> This should be solved in the next Jaybird (2.2). For now use the old style jdbc url ( jdbc:firebirdsql:localhost/3050:libman2 ), which should work according to the bug-description).
>
> Mark
>
> > I'm working on a web application connecting to Firebird 2 using Hibernate
> > 3.
> > When trying to launch Hibernate, a 335544344 gets logged.
> >
> > WARNING: Could not obtain connection metadata
> > org.firebirdsql.jdbc.FBSQLException: GDS Exception. 335544344. I/O error
> > for file %.0s"CreateFile (open)"
> > null
> > Error while trying to open file
> > null
> > Reason: I/O error for file %.0s"CreateFile (open)"
> > null
> > Error while trying to open file
> > null
> > at org.firebirdsql.jdbc.FBDataSource.getConnection(FBDataSource.java:122)
> > at org.firebirdsql.jdbc.FBDriver.connect(FBDriver.java:131)
> >
> >
> > Using the exact same Hibernate configuration to connect to the same
> > database, from the same system, using a Swing application works flawlessly. Same
> > when trying to connect to the database using SQL clients like Squirrel or
> > isql.
> > When changing the Firebird data in the Hibernate config for Oracle data,
> > connection to the mapped Oracle database can be made just fine as well.
> >
> > The database is empty right now, created new for the application. But the
> > web application seems unable to connect to any Firebird database existing
> > on the machine (I tried letting it connect to another one that works fine
> > from an existing Swing application, that too fails).
> >
> > Hibernate config:
> > <property
> > name="connection.driver_class">org.firebirdsql.jdbc.FBDriver</property>
> > <property
> > name="connection.url">jdbc:firebirdsql://localhost:3050/libman2></property>
> > <property name="connection.username">sysdba</property>
> > <property name="connection.password">masterkey</property>
> > <property
> > name="dialect">org.hibernate.dialect.FirebirdDialect</property>
> >
> > aliases.conf contains:
> > libman2=g:\dev\libman2\database\libman2.fdb
> >
> > which exists (case sensitive).
> >
> > Running on Vista Enterprise SP2, Firebird 2.0.something, Jaybird 2.1.1
> > Database and applications are running on the same machine.
> >
> > I've in the past successfully used this combination on XP and Linux.
> >
> >
> >
> > ------------------------------------
> >
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >
> > Visit http://www.firebirdsql.org and click the Resources item
> > on the main (top) menu. Try Knowledgebase and FAQ links !
> >
> > Also search the knowledgebases at http://www.ibphoenix.com
> >
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > Yahoo! Groups Links
> >
> >
> >
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