From: | Peter T Mount <peter(at)retep(dot)org(dot)uk> |
---|---|
To: | Sasha <ber0806(at)iperbole(dot)bologna(dot)it> |
Cc: | pgsql-interfaces(at)postgresql(dot)org |
Subject: | Re: Problem with JDBC driver: rs.next() is always null |
Date: | 2001-02-13 10:00:03 |
Message-ID: | 982058403.3a8905a38f4bb@webmail.retep.org.uk |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-interfaces |
Quoting Sasha <ber0806(at)iperbole(dot)bologna(dot)it>:
> Hello there!
>
> I'm trying to connect to a postgresql via the JDBC interface as follow:
>
> ...
> Statement st=db.createStatement();
> ResultSet rs=st.executeQuery("select datname from pg_database");
> while(rs.next()){
> out.addItem(rs.getString(1));
> }
> rs.close();
> st.close();
> ....
>
> The JVM throws a nullPointerException.
> It seems that rs.next() is null even if the result set is not empty.
rs should never be null from executeQuery(), and never from this one.
>
> I'm working with Inprise Jbuilder 4 Foundation and Redhat Linux 7.0
> (kernel 2.2.16) running on my Athlon 750.
What version of the driver? I've just tested with the latest and this doesn't
fail.
Peter
>
> If anyone could help me I would appreciate.
>
> P.S.:Sorry for my english!
>
>
--
Peter Mount peter(at)retep(dot)org(dot)uk
PostgreSQL JDBC Driver: http://www.retep.org.uk/postgres/
RetepPDF PDF library for Java: http://www.retep.org.uk/pdf/
From | Date | Subject | |
---|---|---|---|
Next Message | Peter T Mount | 2001-02-13 10:02:45 | Re: [INTERFACES] jdbc fastpath error & Z error (URGENT NEED!!!) |
Previous Message | Dave Page | 2001-02-13 08:24:09 | RE: [ODBC] RE: 7.1 beta 3 Linux ODBC BEGINBehaviour |