HttpServletRequest request .getSession() 报错，报错内容是获取不到Redis连接，但是操作Redis没有任何问题。（框架是Spring + SpringMVC）
报错语句，如图
报错详情，如图
报错内容：
java.util.NoSuchElementException: Unable to validate object
[redis.clients.jedis.util.Pool.getResource(Pool.java:53), redis.clients.jedis.JedisPool.getResource(JedisPool.java:234), redis.clients.jedis.JedisPool.getResource(JedisPool.java:15), tomcat.request.session.data.cache.impl.redis.RedisManager.setnx(RedisManager.java:51), tomcat.request.session.data.cache.impl.redis.RedisCache.setnx(RedisCache.java:36), tomcat.request.session.redis.SessionManager.createSession(SessionManager.java:100), tomcat.request.session.redis.SessionManager.createSession(SessionManager.java:28), org.apache.catalina.connector.Request.doGetSession(Request.java:2981), org.apache.catalina.connector.Request.getSession(Request.java:2374), org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:908), sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method), sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62), sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43), java.lang.reflect.Method.invoke(Method.java:498), org.springframework.beans.factory.support.AutowireUtils$ObjectFactoryDelegatingInvocationHandler.invoke(AutowireUtils.java:307), com.sun.proxy.$Proxy105.getSession(Unknown Source), com.dsh.live.login.controller.LoginController.userLogin(LoginController.java:64), sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method), sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62), sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43), java.lang.reflect.Method.invoke(Method.java:498), org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:222), org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137), org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110), org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:814), org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:737), org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85), org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959), org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893), org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:969), org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:871), javax.servlet.http.HttpServlet.service(HttpServlet.java:660), org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:845), javax.servlet.http.HttpServlet.service(HttpServlet.java:741), org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231), org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166), org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53), org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193), org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166), org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121), org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107), org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193), org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166), org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199), org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96), tomcat.request.session.redis.SessionHandlerValve.invoke(SessionHandlerValve.java:29), org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137), org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81), org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:651), org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87), org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342), org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:409), org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66), org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:754), org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1376), org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617), org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61), java.lang.Thread.run(Thread.java:745)]
