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POprimefaces FileUploadEvent returns null
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  1. POprimefaces FileUploadEvent returns null
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    copied!<p>I'm trying to upload a file with primefaces fileuploader but it returns null,</p> <p>addPhotos.xhtml :</p> <pre><code>&lt;h:form id="importDevicesForm" enctype="multipart/form-data"&gt; &lt;h:outputText value="Photo :" /&gt; &lt;p:fileUpload id="scriptUpload" widgetVar="importDevicesWidget" fileUploadListener="#{docBean.file}" auto="true" label="Choisir une photo.." mode="advanced" allowTypes="/(\.|\/)(gif|jpe?g|png)$/"&gt; &lt;h:outputText value="Description :" /&gt; &lt;p:commandButton value="Ajouter" action="#{docBean.ajouter_photo}"/&gt; &lt;/h:form&gt; </code></pre> <p>My backing bean : I want to upload the file an use an outputStream to write the file in filesystem. </p> <pre><code>@ManagedBean(name = "docBean") @SessionScoped public class DocumentBean implements Serializable { private static final long serialVersionUID = 1L; private UploadedFile file = null; private File doc; private InfoDAO docdao = new InfoDaoImpl(); public UploadedFile getFile() { return file; } public void setFile(FileUploadEvent event) { this.file = event.getFile(); } public String ajouter_photo() throws SQLException, IOException { System.out.println("call"); File targetFolder = new File("C:/images/upload"); InputStream inputStream = this.file.getInputstream(); OutputStream out = new FileOutputStream(new File(targetFolder, this.file.getFileName())); int read = 0; byte[] bytes = new byte[1024]; while ((read = inputStream.read(bytes)) != -1) { out.write(bytes, 0, read); } inputStream.close(); out.flush(); out.close(); Document f = new Document(); f.setDescription(targetFolder.getPath()); docdao.Ajouter_info(f); } </code></pre> <p>here is the exception</p> <pre><code>Avertissement: #{docBean.ajouter_photo}: java.lang.NullPointerException javax.faces.FacesException: #{docBean.ajouter_photo}: java.lang.NullPointerException at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:117) </code></pre>
 

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