ERROR

ERROR	org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 97,132 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
MESSAGE	Could not open JDBC Connection for transaction; nested exception is com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 97,132 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
REQUEST_URI	/site/dream/board/board_qna_qna/password
STATUS_CODE	200
STACKTRACE	org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:309) org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400) org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:595) org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:382) org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750) org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:692) egovframework.com.ecms.board.service.impl.BoardServiceImpl$$EnhancerBySpringCGLIB$$80403c9e.getBoardArticle() egovframework.com.ecms.board.web.BoardUserController.updateBoardArticlePasswordGet(BoardUserController.java:413) sun.reflect.GeneratedMethodAccessor939.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:197) org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:141) org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106) org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:894) org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1060) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:962) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) javax.servlet.http.HttpServlet.service_whxwt___internal_javax_servlet_http_HttpServlet(HttpServlet.java:626) javax.servlet.http.HttpServlet.service(HttpServlet.java) org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) javax.servlet.http.HttpServlet.service_whxwt___internal_javax_servlet_http_HttpServlet(HttpServlet.java:733) javax.servlet.http.HttpServlet.service(HttpServlet.java) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) org.apache.catalina.core.ApplicationFilterChain.doFilter_whxwt___internal_org_apache_catalina_core_ApplicationFilterChain(ApplicationFilterChain.java:166) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) org.apache.catalina.core.ApplicationFilterChain.doFilter_whxwt___internal_org_apache_catalina_core_ApplicationFilterChain(ApplicationFilterChain.java:166) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java) org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) org.apache.catalina.core.ApplicationFilterChain.doFilter_whxwt___internal_org_apache_catalina_core_ApplicationFilterChain(ApplicationFilterChain.java:166) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java) net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:198) net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:176) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) org.apache.catalina.core.ApplicationFilterChain.doFilter_whxwt___internal_org_apache_catalina_core_ApplicationFilterChain(ApplicationFilterChain.java:166) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:327) org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:115) org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:81) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336) org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119) org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336) org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:126) org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:81) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336) org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:105) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336) org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:149) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336) org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336) org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:103) org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:89) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336) org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:90) org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:75) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336) org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:110) org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:80) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336) org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:55) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336) org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:211) org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:183) org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358) org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) org.apache.catalina.core.ApplicationFilterChain.doFilter_whxwt___internal_org_apache_catalina_core_ApplicationFilterChain(ApplicationFilterChain.java:166) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java) org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) org.apache.catalina.core.ApplicationFilterChain.doFilter_whxwt___internal_org_apache_catalina_core_ApplicationFilterChain(ApplicationFilterChain.java:166) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java) org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) org.apache.catalina.core.ApplicationFilterChain.doFilter_whxwt___internal_org_apache_catalina_core_ApplicationFilterChain(ApplicationFilterChain.java:166) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java) org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:126) org.springframework.boot.web.servlet.support.ErrorPageFilter.access$000(ErrorPageFilter.java:64) org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:101) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:119) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) org.apache.catalina.core.ApplicationFilterChain.doFilter_whxwt___internal_org_apache_catalina_core_ApplicationFilterChain(ApplicationFilterChain.java:166) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java) org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) org.apache.catalina.core.ApplicationFilterChain.doFilter_whxwt___internal_org_apache_catalina_core_ApplicationFilterChain(ApplicationFilterChain.java:166) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543) org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690) org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:525) org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:818) org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1626) org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Thread.java:748)