Session web.xml中的会话超时不工作
我是JSF新手,正在研究会话超时,并基于它重定向到注销页面。但它不能正常工作,并且表现出异常行为,比如,有时它会被重定向,有时它不会 web.xml的代码:Session web.xml中的会话超时不工作,session,jsf,session-timeout,viewexpiredexception,Session,Jsf,Session Timeout,Viewexpiredexception,我是JSF新手,正在研究会话超时,并基于它重定向到注销页面。但它不能正常工作,并且表现出异常行为,比如,有时它会被重定向,有时它不会 web.xml的代码: <context-param> <param-name>web.TIME_OUT_PAGE</param-name> <param-value>/sessionTimeOut.html</param-value> </context-param> <
<context-param>
<param-name>web.TIME_OUT_PAGE</param-name>
<param-value>/sessionTimeOut.html</param-value>
</context-param>
<listener>
<display-name>SessionTimeoutNotifier</display-name>
<listener-class>test.web.SessionTimeoutNotifier</listener-class>
</listener>
<listener>
<display-name>ViewExpirationListener</display-name>
<listener-class>test.web.ViewExpirationListener</listener-class>
</listener>
<session-config>
<session-timeout>30</session-timeout>
</session-config>
和ViewExpirationListener.java类:
package test.web;
import java.io.IOException;
import java.util.List;
import javax.faces.FacesException;
import javax.faces.application.FacesMessage;
import javax.faces.application.ViewExpiredException;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseEvent;
import javax.faces.event.PhaseId;
import javax.faces.event.PhaseListener;
public class ViewExpirationListener implements PhaseListener {
private static final String TIME_OUT_PAGE_PARAM = "web.TIME_OUT_PAGE";
@Override
public PhaseId getPhaseId() {
return PhaseId.APPLY_REQUEST_VALUES;
}
@Override
public void afterPhase(PhaseEvent event) {
// Do nothing.
}
@Override
public void beforePhase(PhaseEvent event) {
FacesContext facesContext = event.getFacesContext();
List<FacesMessage> iter = facesContext
.getMessageList(ViewExpiredException.class.getName());
List<FacesMessage> msgs = facesContext.getMessageList();
int count = 1;
if (iter.size() > 0) {
handleTimeOut(facesContext);
}
}
private void handleTimeOut(FacesContext facesContext) {
ExternalContext extContext = facesContext.getExternalContext();
String timeOutPage = extContext.getRequestContextPath()
+ extContext.getInitParameter(TIME_OUT_PAGE_PARAM);
try {
extContext.redirect(timeOutPage);
} catch (IOException e) {
throw new FacesException(e);
}
facesContext.responseComplete();
}
}
package test.web;
导入java.io.IOException;
导入java.util.List;
导入javax.faces.FacesException;
导入javax.faces.application.FacesMessage;
导入javax.faces.application.ViewExpiredException;
导入javax.faces.context.ExternalContext;
导入javax.faces.context.FacesContext;
导入javax.faces.event.PhaseEvent;
导入javax.faces.event.PhaseId;
导入javax.faces.event.PhaseListener;
公共类ViewExpirationListener实现PhaseListener{
私有静态最终字符串TIME\u OUT\u PAGE\u PARAM=“web.TIME\u OUT\u PAGE”;
@凌驾
公共PhaseId getPhaseId(){
返回PhaseId.APPLY_REQUEST_值;
}
@凌驾
公共无效后阶段(阶段事件事件){
//什么也不做。
}
@凌驾
前期公共无效(阶段事件事件){
FacesContext FacesContext=event.getFacesContext();
列表iter=facesContext
.getMessageList(ViewExpiredException.class.getName());
List msgs=facesContext.getMessageList();
整数计数=1;
如果(iter.size()>0){
handleTimeOut(facesContext);
}
}
专用void handleTimeOut(FacesContext FacesContext){
ExternalContext=facesContext.getExternalContext();
字符串timeOutPage=extContext.getRequestContextPath()
+getInitParameter(超时页面参数);
试一试{
重定向(timeOutPage);
}捕获(IOE异常){
抛开新面孔(e);
}
facesContext.responseComplete();
}
}
在30分钟不活动后,它仍然不会每次都重定向。有时超时在31分钟时仍有效,有时会话在5小时后仍处于活动状态
我不知道我错在哪里,怎么做才能解决这个问题
提前感谢您的帮助…在解决
ViewExpiredException
问题时,您似乎走错了路,“有时”适用于ajax和非ajax请求。在这种情况下,这是否有助于理解和解决具体问题?那么,在这种情况下应该做些什么来获得正确的结果呢?阅读给定的链接,并根据所学到的经验重新思考当前的模糊问题。我明白了,我删除了ViewExpirationListener类,并在web.xmljavax.faces.application.ViewExpiredException/sessionTimeOut.html
中添加了此代码,但我的问题仍然存在,即使30分钟后,应用程序也没有重新定向到sessionTimeOut.html页面。。。。
package test.web;
import java.io.IOException;
import java.util.List;
import javax.faces.FacesException;
import javax.faces.application.FacesMessage;
import javax.faces.application.ViewExpiredException;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseEvent;
import javax.faces.event.PhaseId;
import javax.faces.event.PhaseListener;
public class ViewExpirationListener implements PhaseListener {
private static final String TIME_OUT_PAGE_PARAM = "web.TIME_OUT_PAGE";
@Override
public PhaseId getPhaseId() {
return PhaseId.APPLY_REQUEST_VALUES;
}
@Override
public void afterPhase(PhaseEvent event) {
// Do nothing.
}
@Override
public void beforePhase(PhaseEvent event) {
FacesContext facesContext = event.getFacesContext();
List<FacesMessage> iter = facesContext
.getMessageList(ViewExpiredException.class.getName());
List<FacesMessage> msgs = facesContext.getMessageList();
int count = 1;
if (iter.size() > 0) {
handleTimeOut(facesContext);
}
}
private void handleTimeOut(FacesContext facesContext) {
ExternalContext extContext = facesContext.getExternalContext();
String timeOutPage = extContext.getRequestContextPath()
+ extContext.getInitParameter(TIME_OUT_PAGE_PARAM);
try {
extContext.redirect(timeOutPage);
} catch (IOException e) {
throw new FacesException(e);
}
facesContext.responseComplete();
}
}