Creating a report from scratch in java and getting invalidfield error

Question

hello
I am trying to generate a report java.
I am getting invalidfieldobject - the field was not found
I checked the resultset and it does contain the column called trn
package com.surecomp;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import com.crystaldecisions.sdk.occa.report.application.ReportClientDocument;
import com.crystaldecisions.sdk.occa.report.data.DBField;
import com.crystaldecisions.sdk.occa.report.data.FieldValueType;
import com.crystaldecisions.sdk.occa.report.definition.FieldObject;
import com.crystaldecisions.sdk.occa.report.definition.ISection;
import com.crystaldecisions.sdk.occa.report.exportoptions.ReportExportFormat;
import com.crystaldecisions.sdk.occa.report.lib.ReportSDKException;
public class reporting  {
     public static void main(String[] args) {
          reporting x = new reporting();
          x.run();
     public void run() {
          try {
               java.sql.ResultSet javaResultSet = null;
               Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
               java.sql.Connection connection = java.sql.DriverManager.getConnection("jdbc:sqlserver://ssi-allmatch:1433;databaseName=mrmdus33xxx;","sa", "sa12");
               java.sql.Statement statement = connection.createStatement();
               javaResultSet = statement.executeQuery("select * from trades");               
               ReportClientDocument boReportClientDocument = new ReportClientDocument();
               boReportClientDocument.newDocument();
               boReportClientDocument.getDatabaseController().addDataSource(javaResultSet);
               ISection boSectionToAddTo = boReportClientDocument.getReportDefController().getReportDefinition().getDetailArea().getSections().getSection(0);
               // Create a new Database Field Object
               DBField boDBField = new DBField();
               boDBField.setName("trades.trn");
               boDBField.setHeadingText("trn");
               boDBField.setType(FieldValueType.stringField);
               FieldObject boFieldObject = new FieldObject();
               boFieldObject.setDataSourceName(boDBField.getFormulaForm());
               boFieldObject.setFieldValueType(boDBField.getType());
               boFieldObject.setLeft(9000);
               boFieldObject.setTop(1);
               boFieldObject.setWidth(1911);
               boFieldObject.setHeight(226);
               boReportClientDocument.getReportDefController().getReportObjectController().add(boFieldObject, boSectionToAddTo, -1);
               ByteArrayInputStream byteArrayInputStream = null;
               byteArrayInputStream = (ByteArrayInputStream) boReportClientDocument.getPrintOutputController().export(ReportExportFormat.PDF);
               writeFileFromInputStream("c:/bob.pdf",byteArrayInputStream);
          catch(ReportSDKException ex) {     
               System.out.println(ex);
          catch(Exception ex) {
               System.out.println(ex);               
    private void writeFileFromInputStream(String sfile, ByteArrayInputStream inputStream)  {
         try {
              File file = new File(sfile);
              OutputStream outputStream = new FileOutputStream(file);  
              int bytesRead = 0;  
              byte [] buffer = new byte[32768];  
              while ((bytesRead = inputStream.read(buffer, 0, 32768)) != -1) {  
                        outputStream.write(buffer, 0, bytesRead);  
              outputStream.close();    
              inputStream.close();     
         } catch (Throwable th) {

Answer 1

Hi,
I have the same problem, did you get this resolved? I am new to the Crystal Report Java SDK and want to create reports from scratch but I can't find any good resources on the internet or the website.