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.
Thankx,
Peiris
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