NoClassDefFoundError while reading a pdf file
<p>Iam trying to read a pdf file the code is </p>

<pre><code>    try {

        File fileConn = new File(filePath);
        InputStream inp = new FileInputStream(fileConn);
        PdfReader reader = new PdfReader(inp);
        int pages = reader.getNumberOfPages();
        System.out.println("Pages" + pages);
    } catch (Exception e) {
        //Handle Exception
    }
</code></pre>

<p>But the method is throwing NOClassDefFoundError. What coukd be the possible reason</p>
