Sanath Peiris wrote:
>
> Hi everybody,
>
> I gotta this problem while I was trying to work with weblogic and postgresql with
>storing images as byte arrays.
>
> First, I used JBOSS-2.2.2 as an application server and Postgresql-7.0.3 as a
>database serevr to run one of my Java enterprise applications. There I used "OID"
>data type to store images, and worked fine with the above combination. I used
>jdbc7.0-1.2.jar as a postgresql jdbc driver.
>
> Please look at the sample codes given below.
>
> InputStream banner;
> String bannerID = "some id';
> PreparedStatement pstmt =
> dbConnection.prepareStatement(?Insert into tablename (BannerID,
>Banner) values(?,?)?);
> int NoOfBytes = banner.available();
> byte[] bytebuffer = new byte[NoOfBytes];
> banner.read(bytebuffer);
> pstmt.setString(1, bannerID);
> pstmt.setBytes(2, bytebuffer);
> int resultCount = pstmt.executeUpdate();
>
> After this, I successfully deployed this application in weblogic-6.0 using the same
>Postgresql database and the jdbc driver. There, some other database accessing parts
>worked fine, but the above image thing is not worked and gave an error message like
>"FastPath call returned ERROR: lo_write: invalid large obj descriptor (0)".
>
> I think nothing wrong with the codes...and can be a driver problem with
>weblogic..Can anybody explain the above pls.
Sanath
Dont know if anybody replied to your question yet. But you should set
your AutoCommit to false e.a conn.setAutoCommit(false); Do this before
you execute your preparedstatement.
That should fix your problem.
Regards
Phillip
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