Hi, Any idea why this error is coming in runtime?
Servlet) - FileDisplayServlet.doPost() java.lang.AbstractMethodError: oracle.jdbc.driver.OracleResultSetImpl.getBlob(Ljava/lang/String;)Ljava/sql/Blob; at org.apache.commons.dbcp.DelegatingResultSet.getBlob(DelegatingResultSet.java:318) at com.mot.iDEN.webapp.oes.servlet.FileDisplayServlet.readBlob(FileDisplayServlet.java:169) I am trying to display a image that is stored in a BLOB field in Oracle. I am using connection pooling and classes12.jar Servlet Code ---------------------------------------------------------------------------------------------------------------------------------------------------------------- private void readBlob ( HttpServletRequest request, HttpServletResponse response, long aFeatureId, String aFileName, String aUserId ) throws SQLException,IOException { Connection conn = null; ResultSet result = null; PreparedStatement prepStmt = null; java.io.InputStream in = null; java.sql.Blob myBlob = null; FileUploadFactory uploadFactory = new FileUploadFactory(); try { conn = config_.getEstimationConnection(false); String sql = ""; sql = " SELECT "+ " FILE_IMAGE "+ " FROM "+ " OES_FEATURE_DETAILS "+ " WHERE "+ " FEATURE_ID = "+aFeatureId; log_.debug("SQL:==="+sql); log_.debug("result=" + result); prepStmt = conn.prepareStatement(sql); result = prepStmt.executeQuery(); if (result != null && result.next()) { //get the file ext String strDocExt = ""; try { strDocExt = uploadFactory.getFileType(aFileName, aUserId); } catch(Exception e) { log_.debug("Exception is"+e); } //get the file length int intCountBytes = 0; String strPrpValue = null; //set the mimetype ResourceBundle mimetype = ResourceBundle.getBundle("mimes"); strPrpValue = mimetype.getString(strDocExt.toLowerCase()); log_.debug("Value=" + strPrpValue); if (strPrpValue != null) { response.setContentType(strPrpValue); response.setHeader("Content-Disposition", "inline; filename=" + aFileName); } myBlob = result.getBlob("FILE_IMAGE"); //get the inputStream in = myBlob.getBinaryStream(); /*Get the Output Stream*/ if (in != null) { generatePresentation(in, response); in.close(); } } } catch (SQLException sqle) { throw new SQLException("FileDisplayServlet.readBlob", "" + sqle.getErrorCode()); } catch (IOException io) { throw new IOException("FileDisplayServlet.readBlob"); } finally { try { if (result != null) { result.close(); } if (prepStmt != null) { prepStmt.close(); } if (conn != null) { conn.close(); } } catch (SQLException sqle) { throw new SQLException("FileDisplayServlet.readBlob"); } } } ------------------------------------------------------------------------------------------------------------------------------------------------------------ Best Regards Abhay Kumar