Getting error while passing a parameter in page navigation url
<s:button id="done" value="Done"action="#{statusHome.viewRecord}"/>

public String viewRecord() {
    getInstance();
    String rtValue = null;
    if (instance.getTextKey() != null) {
        rtValue = "/StatusList.xhtml?textKey=" + instance.getTextKey() +"?doSearch=1";
    } else {
        rtValue = "/StatusList.xhtml";
    }
    return rtValue;
}

public class NavigationBean implements java.io.Serializable { ... }