From: Peter T Mount <peter@retep.org.uk>
To: Sasha <ber0806@iperbole.bologna.it>
Cc: pgsql-interfaces@postgresql.org
Subject: Re: Problem with JDBC driver: rs.next() is always null
Date: Tue, 13 Feb 2001 05:00:03 -0500 (EST)
Message-ID: <982058403.3a8905a38f4bb@webmail.retep.org.uk> (raw)
In-Reply-To: <3A853D98.2070308@iperbole.bologna.it>
References: <3A853D98.2070308@iperbole.bologna.it>
Quoting Sasha <ber0806@iperbole.bologna.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@retep.org.uk
PostgreSQL JDBC Driver: http://www.retep.org.uk/postgres/
RetepPDF PDF library for Java: http://www.retep.org.uk/pdf/
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To: pgsql-interfaces@postgresql.org
Cc: peter@retep.org.uk, ber0806@iperbole.bologna.it
Subject: Re: Problem with JDBC driver: rs.next() is always null
In-Reply-To: <982058403.3a8905a38f4bb@webmail.retep.org.uk>
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