Lets start by removing the outer h:form (form that wraps the <p:wizard> ) cause you got a nested forms here (which is bad)
Use StateHelper. It’s available by UIComponent#getStateHelper(). private enum PropertyKeys { currentPageNumber; } public void setCurrentPageNumber(int currentPageNumber) { getStateHelper().put(PropertyKeys.currentPageNumber, currentPageNumber); } public int getCurrentPageNumber() { return (int) getStateHelper().eval(PropertyKeys.currentPageNumber, 0); } Note that I’m returning a default value of 0 in the getter. You might want to change int to Integer and remove the default value so … Read more
Why does JSF need to save the state of UI components on the server side ? Because HTTP is stateless and JSF is stateful. The JSF component tree is subject to dynamic (programmatic) changes. JSF simply needs to know the exact state as it was when the form had been displayed to the enduser, so … Read more