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POConverter class throwing exception java.lang.IllegalArgumentException
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  1. POConverter class throwing exception java.lang.IllegalArgumentException
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    copied!<p>I have p:selectOneMenu in my JSF page and when I run my JSF page I am getting the following exception from Converter class.</p> <pre><code>java.lang.IllegalArgumentException: object 5634 is of type java.lang.String; expected type: test.entity.Employee </code></pre> <p>How can I resolve this issue?</p> <p>I have the following in Entity class</p> <pre><code>@Entity public class Employee implements Serializable { private String employeeNumber; private String employeeName; /* getters and setters */ </code></pre> <p>EmployeeConverter class</p> <pre><code>@Component("employeeConverter") @FacesConverter(forClass = Employee.class) @Inject EmployeeService employeeService; @Override public Object getAsObject(FacesContext facesContext, UIComponent component, String value) { if (value == null || value.length() == 0) { return null; } EmployeeService employeeService= (EmployeeService ) facesContext.getApplication().getELResolver(). getValue(facesContext.getELContext(), null, "employeeService"); return employeeService.getEmployees(); } @Override public String getAsString(FacesContext facesContext, UIComponent component, Object object) { if (object == null) { return null; } if (object instanceof Employee) { Employee emp = (Employee) object; String val = emp.getEmployeeNumber(); return val; } else { throw new IllegalArgumentException("object " + object + " is of type " + object.getClass().getName() + "; expected type: " + Employee.class.getName()); } } </code></pre> <p>and in jsf page </p> <pre><code> &lt;p:selectOneMenu value="#{mb.employee}" converter="#{employeeConverter}"&gt; &lt;f:selectItems value="#{cmb.employeeList}" var="emp" itemLabel="#{emp.employeeName}" itemValue="#{emp.employeeNumber}"/&gt; &lt;p:ajax listener="#{mb.handleChange}" process="@this"/&gt; &lt;/p:selectOneMenu&gt; </code></pre> <p><strong>Update 1</strong></p> <p>Modified Converter method <code>getAsObject</code></p> <pre><code>private List&lt;Employee&gt; employee; @Override public Object getAsObject(FacesContext facesContext, UIComponent component, String value) { System.out.println("reached in converter"); try { if (value == null || value.length() == 0) { return null; } else { employee = getEmployeeService().getEmployees(); for (Employee emp : employee) { if (emp.getEmployeeNUmber() == value) { return emp; } } } } catch (Exception e) { System.out.println("exception from getAsObject " + e.getMessage()); } return null; } </code></pre> <p><strong>Update 2</strong></p> <pre><code>ManagedBean @PostConstruct public void loadEmployees(){ try { List&lt;Employee&gt; emp = getEmployeeService().getEmployees(); employeeList = emp; } catch(Exception e){ e.printStackTrace(); System.out.println("exception from loadEmployees "+e.getMessage()); } } </code></pre>
 

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