Possible bug with MyFaces 1.1.0 ?

[Saul Qunming Yuan]

Hi,   I upgraded my app from 1.0.9 to 1.1.0, and my app no longer works. I got a blank screen. I got the following error:   java.lang.IllegalStateException: Cannot create a session after the response has been committed  at org.apache.catalina.connector.Request.doGetSession(Request.java:2195)  at org.apache.catalina.connector.Request.getSession(Request.java:2017)  at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:822)  at org.apache.myfaces.context.servlet.SessionMap.setAttribute(SessionMap.java:50)  at org.apache.myfaces.context.servlet.AbstractAttributeMap.put(AbstractAttributeMap.java:104)  at org.apache.myfaces.application.jsp.JspStateManagerImpl.saveSerializedViewInServletSession(JspStateManagerImpl.java:321)  at org.apache.myfaces.application.jsp.JspStateManagerImpl.saveSerializedView(JspStateManagerImpl.java:228)  at org.apache.myfaces.taglib.core.ViewTag.doEndTag(ViewTag.java:122)  at org.apache.jsp.common.headerBodyFooterLayout_jsp._jspx_meth_f_view_0 ....   After a few days tweaking & debugging, I changed the value of the following setting in my web.xml: javax.faces.STATE_SAVING_METHOD from "server" to "client", now my app starts working again. Could this be a bug?   thanks, Saul