Poi-ooxml-schemas-5.2.3.jar Download Free (UPDATED - 2025)

Are you using a like Maven or Gradle, or are you manually adding jars to your project? Apache POI JAR files compatibility issue - Stack Overflow

public class DynamicJarLoader public static void main(String[] args) throws Exception File jarFile = new File("/path/to/poi-ooxml-schemas-5.2.3.jar"); URL url = jarFile.toURI().toURL(); URLClassLoader child = new URLClassLoader( new URL[]url, ClassLoader.getSystemClassLoader() ); Class<?> cls = Class.forName("org.openxmlformats.schemas.spreadsheetml.x2006.main.CTWorkbook", true, child); System.out.println("Class loaded: " + cls.getName()); poi-ooxml-schemas-5.2.3.jar download

After downloading the JAR, perform these checks: Are you using a like Maven or Gradle,