I read that it is a problem of expired session, but in my case it's impossible because the session was just opened when the exception is thrown: I get to login page, fill up form and submit. After that I get ViewExpiredException. What can I do to resolve the problem?
This is my web.xml:
<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> <context-param> <param-name>javax.faces.PROJECT_STAGE</param-name> <param-value>Development</param-value> <param-name>org.apache.myfaces.SERIALIZE_STATE_IN_SESSION</param-name> <param-value>false</param-value> <param-name>com.sun.faces.numberOfLogicalViews</param-name> <param-value>100</param-value> </context-param> <listener> <listener-class>org.apache.myfaces.webapp.StartupServletContextListener</listener-class> </listener> <servlet> <servlet-name>Faces Servlet</servlet-name> <servlet-class>javax.faces.webapp.FacesServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>Faces Servlet</servlet-name> <url-pattern>*.xhtml</url-pattern> </servlet-mapping> <session-config> <session-timeout> 30 </session-timeout> </session-config> <welcome-file-list> <welcome-file>pages/login.xhtml</welcome-file> </welcome-file-list> <security-constraint> <display-name>Admin</display-name> <web-resource-collection> <web-resource-name>Admin</web-resource-name> <url-pattern>/pages/admin/*</url-pattern> </web-resource-collection> <auth-constraint> <role-name>admin</role-name> </auth-constraint> </security-constraint> <security-constraint> <display-name>User</display-name> <web-resource-collection> <web-resource-name>User</web-resource-name> <url-pattern>/pages/user/*</url-pattern> </web-resource-collection> <auth-constraint> <role-name>user</role-name> </auth-constraint> </security-constraint> <security-role> <role-name>admin</role-name> </security-role> <security-role> <description/> <role-name>user</role-name> </security-role> <login-config> <auth-method>FORM</auth-method> <form-login-config> <form-login-page>/pages/login.xhtml</form-login-page> <form-error-page>/pages/errorLogin.xhtml?faces-redirect=true</form-error-page> </form-login-config> </login-config> <error-page> <error-code>403</error-code> <location>/pages/errorLogin.xhtml</location> </error-page> <error-page> <error-code>500</error-code> <location>/pages/sessionExpired.xhtml</location> </error-page> <error-page> <exception-type>javax.faces.application.ViewExpiredException</exception-type> <location>/pages/sessionExpired.xhtml</location> </error-page> 
