title: JBoss8: Error UT005023 - Exception handling request to URL
body: <p>I am getting the below error on JBoss 8 server.</p>
  
  <pre><code>17:36:07,482 ERROR [io.undertow.request] (default task-22) UT005023: Exception handling request to /user/XMLPreviewer: org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: com/sun/org/apache/xml/internal/serialize/XMLSerializer
  </code></pre>
  
  <p>I have got the following dependencies in my pom:</p>
  
  <pre><code>    &lt;dependency&gt;
          &lt;groupId&gt;javax.xml&lt;/groupId&gt;
          &lt;artifactId&gt;jaxp-api&lt;/artifactId&gt;
          &lt;version&gt;1.4.2&lt;/version&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;xerces&lt;/groupId&gt;
          &lt;artifactId&gt;xercesImpl&lt;/artifactId&gt;
          &lt;version&gt;2.11.0&lt;/version&gt;
          &lt;scope&gt;runtime&lt;/scope&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;xml-apis&lt;/groupId&gt;
              &lt;artifactId&gt;xml-apis&lt;/artifactId&gt;
              &lt;version&gt;1.4.01&lt;/version&gt;
              &lt;scope&gt;runtime&lt;/scope&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;xml-apis&lt;/groupId&gt;
          &lt;artifactId&gt;xml-apis&lt;/artifactId&gt;
          &lt;version&gt;1.4.01&lt;/version&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;javax.xml.parsers&lt;/groupId&gt;
          &lt;artifactId&gt;jaxp-api&lt;/artifactId&gt;
          &lt;version&gt;1.4.5&lt;/version&gt;
      &lt;/dependency&gt;
  </code></pre>