Question

i am trying to create a simple workbook using Apache POI and getting the following errors.Using apchhe poi 3.9 kindly help me to get out of this thanks.

Errors:

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/xmlbeans/XmlException
    at xlscreate.xlsclass.main(xlsclass.java:24)
Caused by: java.lang.ClassNotFoundException: org.apache.xmlbeans.XmlException
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 1 more

CODE:

import java.io.FileOutputStream;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import java.io.InputStream;






public class xlsclass {

     public static void main(String[] args)  throws Exception,Throwable{

           // Workbook wb = new HSSFWorkbook();
           // FileOutputStream fileOut = new FileOutputStream("workbook.xls");
           // wb.write(fileOut);
           // fileOut.close();

            Workbook wb = new XSSFWorkbook();
            FileOutputStream fileOut = new FileOutputStream("c:/workbook.xlsx");
            wb.write(fileOut);
            fileOut.close();


     }
}

Answer 1

Apache POI has dependencies. You need to look them up and add them to your classpath. One of those dependency libraries contains this exception class: org.apache.xmlbeans.XmlException. Not sure which one. After that the other answers contain hint’s for the actual bug in your code.