title: Unsupported major.minor version 49.0
body: <p>I am getting the following exception whenever I login to my application ...</p>
  
  <blockquote>
    <p>javax.servlet.ServletException:
    com/sun/org/apache/xalan/internal/xsltc/trax/TransformerFactoryImpl
    (Unsupported major.minor version 49.0)</p>
  </blockquote>
  
  <p>What does this mean and how can I resolve the problem?</p>