22:31:57,703 ERROR com.acce.auth.exception.CommonExceptionHandler : 59 - Handler dispatch failed; nested exception is java.lang.ExceptionInInitializerError org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.ExceptionInInitializerError     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:982)     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)     at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)     at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)     at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)     at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)     at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)     at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)     at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)     at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)     at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)     at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)     at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)     at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94)     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)     at com.orangefunction.tomcat.redissessions.RedisSessionHandlerValve.invoke(RedisSessionHandlerValve.java:26)     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)     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:88)     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)     at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1104)     at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)     at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1519)     at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1475)     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)     at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.ExceptionInInitializerError     at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:349)     at org.springframework.data.redis.core.RedisConnectionUtils.doGetConnection(RedisConnectionUtils.java:129)     at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:92)     at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:79)     at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:194)     at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:169)     at org.springframework.data.redis.core.AbstractOperations.execute(AbstractOperations.java:91)     at org.springframework.data.redis.core.DefaultValueOperations.set(DefaultValueOperations.java:169)     at com.acce.auth.shiro.RedisShiroSessionDAO.setShiroSession(RedisShiroSessionDAO.java:82)     at com.acce.auth.shiro.RedisShiroSessionDAO.doCreate(RedisShiroSessionDAO.java:36)     at org.apache.shiro.session.mgt.eis.AbstractSessionDAO.create(AbstractSessionDAO.java:116)     at org.apache.shiro.session.mgt.eis.CachingSessionDAO.create(CachingSessionDAO.java:184)     at org.apache.shiro.session.mgt.DefaultSessionManager.create(DefaultSessionManager.java:177)     at org.apache.shiro.session.mgt.DefaultSessionManager.doCreateSession(DefaultSessionManager.java:158)     at org.apache.shiro.session.mgt.AbstractValidatingSessionManager.createSession(AbstractValidatingSessionManager.java:136)     at org.apache.shiro.session.mgt.AbstractNativeSessionManager.start(AbstractNativeSessionManager.java:99)     at org.apache.shiro.mgt.SessionsSecurityManager.start(SessionsSecurityManager.java:152)     at org.apache.shiro.subject.support.DelegatingSubject.getSession(DelegatingSubject.java:336)     at org.apache.shiro.subject.support.DelegatingSubject.getSession(DelegatingSubject.java:312)     at com.acce.auth.shiro.ShiroUtils.getSession(ShiroUtils.java:28)     at com.acce.auth.shiro.ShiroUtils.setSessionAttribute(ShiroUtils.java:44)     at com.acce.auth.controller.ViewLoginController.captcha(ViewLoginController.java:50)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)     at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)     at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)     at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)     ... 43 more Caused by: java.lang.NullPointerException     at org.springframework.util.ReflectionUtils.makeAccessible(ReflectionUtils.java:458)     at org.springframework.data.redis.connection.jedis.JedisConnection.<clinit>(JedisConnection.java:136)     ... 76 more

由於之前為了把session存到redis，改了tomcat的啟動檔案。這個專案中是直接通過spring來操作session的。於是把從官網重新下載一個tomcat問題解決