Databases
StackOverflow2013
Postsdbo
POJSF selectOneMenu selectItem always null
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POJSF selectOneMenu selectItem always null
    primarykey
    data
    text
    <p>I'm trying to implement a JSF selectOneMenu item with a backing bean holding the selection. The problem is that the selectedItem is always null. Here is the code:</p> <p>.xhtml:</p> <pre><code> &lt;h:selectOneMenu value="#{componentFilterBean.selectedItem}"&gt; &lt;f:selectItems value="#{componentFilterBean.projects}" /&gt; &lt;/h:selectOneMenu&gt; </code></pre> <p>Bean:</p> <pre><code>public class ComponentFilterBean { String selectedItem = null; private List&lt;SelectItem&gt; selectItems = null; public String getSelectedItem() { System.out.println("getSelectedItem = " + selectedItem); return selectedItem; } public void setSelectedItem(String selectedItem) { this.selectedItem = selectedItem; System.out.println("setSelectedItem = " + selectedItem); } public List&lt;SelectItem&gt; getProjects() { if (selectItems == null) { selectItems = new ArrayList&lt;SelectItem&gt;(); selectItems.add(new SelectItem("Project1", "Project1")); selectItems.add(new SelectItem("Project2", "Project2")); selectItems.add(new SelectItem("Project3", "Project3")); } return selectItems; } } </code></pre> <p>faces-config.xml:</p> <pre><code>&lt;managed-bean&gt; &lt;managed-bean-name&gt;componentFilterBean&lt;/managed-bean-name&gt; &lt;managed-bean-class&gt;test.ComponentFilterBean&lt;/managed-bean-class&gt; &lt;managed-bean-scope&gt;request&lt;/managed-bean-scope&gt; &lt;/managed-bean&gt; </code></pre> <p>I am using the sun implementation (version 1.2). The problem appears on Jetty 6 and WebSphere 6.1.</p> <p>Can anybody help me with that problem?</p> <p>Christian</p>
    singulars
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. This table or related slice is empty.
    1. USChristian
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    1. VO
      singulars
      1. POJSF selectOneMenu selectItem always null
      1. This table or related slice is empty.
      1. VTUpMod
    2. VO
      singulars
      1. POJSF selectOneMenu selectItem always null
      1. This table or related slice is empty.
      1. VTUpMod
    1. COis the setter called? (I.e. is anything printed on the console). Also, add a <h:messages> tag, so that any validation errors are visible
      singulars
      1. POJSF selectOneMenu selectItem always null
      1. USBozho
    2. COThe setter is called, it prints null. I added to the page: <h:messages layout="table" styleClass="error"/> No errors are displayed.
      singulars
      1. POJSF selectOneMenu selectItem always null
      1. USChristian
    3. COdo you have `<h:form>` ?
      singulars
      1. POJSF selectOneMenu selectItem always null
      1. USBozho
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload