title: I put the xmlbeans-2.3.0.jar into path and it says another exception while reading .xslx file using apache poi
body: <p>I put the xmlbeans-2.3.0.jar into path and it says another exception while reading .xslx file using apache poi.</p>
  
  <pre><code>Exception in thread "main" java.lang.NoClassDefFoundError: org/dom4j/DocumentException
          at org.apache.poi.openxml4j.opc.OPCPackage.init(OPCPackage.java:149)
          at org.apache.poi.openxml4j.opc.OPCPackage.&lt;init&gt;(OPCPackage.java:136)
          at org.apache.poi.openxml4j.opc.Package.&lt;init&gt;(Package.java:54)
          at org.apache.poi.openxml4j.opc.ZipPackage.&lt;init&gt;(ZipPackage.java:98)
          at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:199)
          at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:178)
          at org.apache.poi.util.PackageHelper.open(PackageHelper.java:53)
          at org.apache.poi.xssf.usermodel.XSSFWorkbook.&lt;init&gt;(XSSFWorkbook.java:176)
          at setTargetPlan.setTask(setTargetPlan.java:152)
          at userVerification.main(userVerification.java:204)
  Caused by: java.lang.ClassNotFoundException: org.dom4j.DocumentException
          at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
          at java.security.AccessController.doPrivileged(Native Method)
          at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
          at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
          ... 10 more
  </code></pre>