So if its not an OracleResultSet, then what kind is it?
I believe if you use something like Commons dbcp it uses wrappers for
everything - DelegatingResultSet
Niall
----- Original Message -----
From: "Nathan Maves" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Thursday, April 22, 2004 12:15 AM
Subject: what could cause this Class Cast exception
> I know this is not truly struts related but...
>
> I had a servlet that loaded blobs from oracle (pdf files). This worked
> perfect. I copied the code into my action and I know receive this
> error:
>
> java.lang.ClassCastException
> at
> reporting.viewer.presentation.actions.ViewReport.execute(ViewReport.java
> :86)
> at
> org.apache.struts.action.RequestProcessor.processActionPerform(RequestPr
> ocessor.java:484)
> at
> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:
> 274)
>
> here is the code....
>
>
> // Obtain our environment naming context
> Context initCtx = new InitialContext();
> Context envCtx = (Context) initCtx.lookup("java:comp/env");
>
> // Look up our data source
> DataSource ds = (DataSource)
> envCtx.lookup("jdbc/report-viewer");
>
> // Allocate and use a connection from the pool
> Connection conn = ds.getConnection();
> PreparedStatement ps = null;
> ResultSet rs = null;
>
> .....
>
> if (rs.next()) {
> OracleResultSet ors = (OracleResultSet)rs;
> ----------------(THIS IS LINE 86 of ViewReport.java)
> BLOB blob = ors.getBLOB(2);
>
> if (blob != null) {
> response.setContentType(rs.getString(1));
>
> InputStream is = blob.getBinaryStream();
> int size = blob.getBufferSize();
> byte[] buffer = new byte[size];
> int length = -1;
>
> while ((length = is.read(buffer)) != -1) {
> out.write(buffer, 0, length);
> }
> }
> }
>
>
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