添加重定向屬性的閃圖效果在以下例外春RedirectAttributes導致「無法創建響應後會話一直致力於」錯誤
java.lang.IllegalStateException: Cannot create a session after the response has been committed
at org.apache.catalina.connector.Request.doGetSession(Request.java:2377)
at org.apache.catalina.connector.Request.getSession(Request.java:2097)
at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:833)
at org.springframework.web.servlet.support.DefaultFlashMapManager.retrieveFlashMaps(DefaultFlashMapManager.java:149)
at org.springframework.web.servlet.support.DefaultFlashMapManager.requestCompleted(DefaultFlashMapManager.java:202)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:830)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
這是我的請求處理程序是什麼樣子
@RequestMapping(value = "/foo", method = RequestMethod.POST)
public String getFoo(RedirectAttributes attr) {
attr.addFlashAttribute("twiddle", "doodle");
return "redirect:/cow";
}
有誰知道是什麼原因導致/如何調試問題?
我不確定這是否相關。問題的原因是當我將值添加到flashMapAttributes中時,沒有任何可用的HttpSession對象。在Spring MVC post-redirect-get模式中,HttpSession用於在重定向完成後獲取屬性之前立即存儲屬性 – gerrytan 2013-03-28 04:56:45