我已经阅读了一个问题here，并且在那里解释了当状态保存到服务器但是我将状态保存到客户端时，视图过期异常，请参阅下面的web.xml。我如何实现这一点是我进入我的应用程序，然后手动停止服务器并重新启动。之后，我点击任何命令按钮，我得到了我的ViewExpired Exception。
这是正确的行为吗？我知道重启服务器会破坏我的会话，但如果状态保存在客户端（浏览器）上，那么我不应该能够获得状态吗？
的web.xml
<welcome-file-list>
<welcome-file>index.xhtml</welcome-file>
</welcome-file-list>
<context-param>
<description>State saving method: 'client' or 'server' (=default). See JSF Specification 2.5.2</description>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
<context-param>
<param-name>javax.servlet.jsp.jstl.fmt.localizationContext</param-name>
<param-value>resources.application</param-value>
</context-param>
<context-param>
<param-name>javax.faces.PARTIAL_STATE_SAVING</param-name>
<param-value>false</param-value>
</context-param>
<error-page>
<exception-type>java.lang.NullPointerException</exception-type>
<location>/kgs/index.xhtml</location>
</error-page>
<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/kgs/index.xhtml</location>
</error-page>
<error-page>
<exception-type>javax.faces.application.ViewExpiredException</exception-type>
<location>/kgs/index.xhtml</location>
</error-page>
<error-page>
<exception-type>javax.faces.FacesException</exception-type>
<location>/kgs/index.xhtml</location>
</error-page>
error.log中
Mai 29, 2017 12:14:41 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 20917 ms
ERROR: MAC did not verify!
ERROR: MAC did not verify!
Mai 29, 2017 12:14:49 PM com.sun.faces.context.StateContext startTrackViewModifications
WARNING: Unable to attach AddRemoveListener to UIViewRoot because it is null
Mai 29, 2017 12:14:49 PM com.sun.faces.context.AjaxExceptionHandlerImpl handlePartialResponseError
SEVERE: javax.faces.application.ViewExpiredException: viewId:/pages/DashboardMessages.xhtml - View /pages/DashboardMessages.xhtml could not be restored.
at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:212)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:123)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:650)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:784)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:802)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)