title: Getting FileNotFoundException when trying to upload file using icefaces Fileentry component
body: <p>I am trying to upload xls file to my server through browse funtionality ,but I am getting below exception . I can see the path it is taking has null even though I am not setting any path explicitly . </p>
  
  <p><strong><code>java.io.FileNotFoundException: no such entry: "null\trQYXGpMctrhhDvnJ92wDYLJ0DZw1VFyjM2TnNQTQSj2nDPD104P!1525033770!1459920524559\IP1RateList.xls"</code></strong></p>
  
  <p><strong>my method implementation</strong></p>
  
  <pre><code>FileEntry fileEntry;
  fileEntry = (FileEntry) fe.getComponent();
  FileEntryResults results = fileEntry.getResults();
  
  for (FileEntryResults.FileInfo fileInfo : results.getFiles()) {
      if (fileInfo.getFileName().endsWith(XLS)) {
          setUploadFile(fileEntry.getResults().getFiles().get(0).getFile());
          uploadDocument();
      } else {
          JavascriptContext.addJavascriptCall(
                  FacesContext.getCurrentInstance(), "importExcel.hide();");
          getBaseBean().getErrorMessagesList().add(
                  messageFactory.getMessage(ERROR_INVALID_EXCEL_FILE));
      }
  }
  </code></pre>
  
  <p>my xhtml file</p>
  
  <pre><code>&lt;ice:panelGrid&gt;
      &lt;ace:fileEntry id="fileEntryComponent"
          useOriginalFilename = "true"
          fileEntryListener="#{ip1ListRatesBean.loadButton}"
          maxFileCount="1"
          maxFileCountMessage="Please upload one file at a time."
          relativePath="/files/" 
          useSessionSubdir="true"
          autoUpload="false"&gt;
      &lt;/ace:fileEntry&gt;                                                
  &lt;/ice:panelGrid&gt;
  </code></pre>
  
  <p>I have also added context-param in web.xml after reading few comments on the site .</p>
  
  <pre><code>&lt;context-param&gt;
      &lt;param-name&gt;org.icefaces.mandatoryResourceConfiguration&lt;/param-name&gt;
      &lt;param-value&gt;fileEntry&lt;/param-value&gt;
  &lt;/context-param&gt;
  </code></pre>
  
  <p>let me know in case any further information is required . </p>
  
  <p>Thanks</p>