Inserting long string into Oracle

When my code inserts about 5K character into a table, I got an error message saying that the Oracle could only handle 4K character. I am currently looking at LOB but havn't had a clear idea yet. Could someone give me some help on this? According to the sample code, I will have to use Oracle JDBC driver for LOB. But we are using BEA's Kona driver for all JDBC connections. Is there an easy way to insert long string?

hii
nams u solve ur problem using setCharacterStream method
but it does't work if the string more than 4000 char
raises "java.sql.SQLException: Protocol violation"
here's the code
PreparedStatement ps = con.prepareStatement( "UPDATE candidate SET cv_new = ?");
StringReader cvReader=new StringReader(cv_new);
int abc=cv_new.length();
ps.setCharacterStream( 1, cvReader, abc);
ps.executeUpdate();
is that any problem in that code or it's a jdbc driver broblem ??
i'm using classes 12.zip
thanks

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