title: Creating XLSX using POI API
body: <p>I am Trying to create XLSX file using POI API but an error has been occurred..</p>
  
  <p><strong>java.lang.NoSuchMethodError: org.apache.xmlbeans.XmlOptions.setSaveAggressiveNamespaces()Lorg/apache/xmlbeans/XmlOptions;
  at org.apache.poi.POIXMLDocumentPart.(POIXMLDocumentPart.java:56)</strong></p>
  
  <p>and i am not able to figure out the reason of this error please help me out...</p>