java.sql.SQLException: connection holder is null

### Cause: java.sql.SQLException: connection holder is null

; uncategorized SQLException for SQL []; SQL state [null]; error code [0]; connection holder is null; nested exception is java.sql.SQLException: connection holder is null

at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:90) ~[spring-jdbc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:82) ~[spring-jdbc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73) ~[mybatis-spring-1.3.2.jar:1.3.2]

at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446) ~[mybatis-spring-1.3.2.jar:1.3.2]

at com.sun.proxy.$Proxy130.insert(Unknown Source) ~[na:na]

at org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:278) ~[mybatis-spring-1.3.2.jar:1.3.2]

at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:58) ~[mybatis-3.4.6.jar:3.4.6]

at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59) ~[mybatis-3.4.6.jar:3.4.6]

at com.sun.proxy.$Proxy137.insertSelective(Unknown Source) ~[na:na]

at com.zkh360.gbb.user.app.repository.AppInvoiceRepository.insertSelective(AppInvoiceRepository.java:219) ~[classes/:na]

at com.zkh360.gbb.user.app.repository.AppInvoiceRepository$$FastClassBySpringCGLIB$$5e7898bc.invoke(<generated>) ~[classes/:na]

at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:736) ~[spring-aop-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136) ~[spring-tx-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:671) [spring-aop-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at com.zkh360.gbb.user.app.repository.AppInvoiceRepository$$EnhancerBySpringCGLIB$$d6630d4.insertSelective(<generated>) ~[classes/:na]

at com.zkh360.gbb.user.syb.event.impl.PurchaseRoleEventHandlerImpl.assign(PurchaseRoleEventHandlerImpl.java:83) ~[classes/:na]

at com.zkh360.gbb.user.syb.service.impl.SybEmployeeServiceImpl.createCompanyEmployee(SybEmployeeServiceImpl.java:129) ~[classes/:na]

at com.zkh360.gbb.user.syb.service.impl.SybEmployeeServiceImpl$$FastClassBySpringCGLIB$$494852dd.invoke(<generated>) ~[classes/:na]

at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) ~[spring-tx-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at com.zkh360.gbb.user.syb.service.impl.SybEmployeeServiceImpl$$EnhancerBySpringCGLIB$$95071b43.createCompanyEmployee(<generated>) ~[classes/:na]

at com.zkh360.gbb.user.syb.controller.SybEmployeeManagerController.createCompanyEmployee(SybEmployeeManagerController.java:103) ~[classes/:na]

at com.zkh360.gbb.user.syb.controller.SybEmployeeManagerController$$FastClassBySpringCGLIB$$9bc131ce.invoke(<generated>) ~[classes/:na]

at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:84) [spring-aop-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at com.zkh360.gbb.core.aspect.AppAspectConfig.process(AppAspectConfig.java:41) ~[gbb-core-1.1.4-20191219.062106-50.jar:na]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_191]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_191]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_191]

at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_191]

at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:627) [spring-aop-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:616) [spring-aop-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70) [spring-aop-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:168) [spring-aop-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at com.zkh360.gbb.user.config.ControllerLog.validate(ControllerLog.java:51) [classes/:na]

at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) [spring-aop-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at com.zkh360.gbb.user.syb.controller.SybEmployeeManagerController$$EnhancerBySpringCGLIB$$1650a1c5.createCompanyEmployee(<generated>) [classes/:na]

at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) [spring-web-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) [spring-web-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) [spring-webmvc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) [spring-webmvc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) [spring-webmvc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) [spring-webmvc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) [spring-webmvc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) [spring-webmvc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) [spring-webmvc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) [spring-webmvc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) [spring-webmvc-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-embed-websocket-8.5.31.jar:8.5.31]

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55) [spring-boot-1.5.13.RELEASE.jar:1.5.13.RELEASE]

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at com.zkh360.gbb.core.config.CorsFilter.doFilter(CorsFilter.java:40) [gbb-core-1.1.4-20191219.062106-50.jar:na]

at com.zkh360.gbb.user.filter.ValidateCodeFilter.doFilter(ValidateCodeFilter.java:100) [classes/:na]

at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111) [spring-boot-actuator-1.5.13.RELEASE.jar:1.5.13.RELEASE]

at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) [spring-web-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) [spring-web-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) [spring-web-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:167) [spring-session-1.3.2.RELEASE.jar:na]

at org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:80) [spring-session-1.3.2.RELEASE.jar:na]

at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) [spring-web-4.3.17.RELEASE.jar:4.3.17.RELEASE]

at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106) [spring-boot-actuator-1.5.13.RELEASE.jar:1.5.13.RELEASE]

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1468) [tomcat-embed-core-8.5.31.jar:8.5.31]

at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.31.jar:8.5.31]

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_191]

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_191]

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.31.jar:8.5.31]

at java.lang.Thread.run(Thread.java:748) [na:1.8.0_191]

Caused by: java.sql.SQLException: connection holder is null

at com.alibaba.druid.pool.DruidPooledConnection.checkStateInternal(DruidPooledConnection.java:1157) ~[druid-1.1.12.jar:1.1.12]

at com.alibaba.druid.pool.DruidPooledConnection.checkState(DruidPooledConnection.java:1148) ~[druid-1.1.12.jar:1.1.12]

at com.alibaba.druid.pool.DruidPooledConnection.prepareStatement(DruidPooledConnection.java:336) ~[druid-1.1.12.jar:1.1.12]

at sun.reflect.GeneratedMethodAccessor254.invoke(Unknown Source) ~[na:na]

at org.apache.ibatis.logging.jdbc.ConnectionLogger.invoke(ConnectionLogger.java:55) ~[mybatis-3.4.6.jar:3.4.6]

at com.sun.proxy.$Proxy298.prepareStatement(Unknown Source) ~[na:na]

at org.apache.ibatis.executor.statement.PreparedStatementHandler.instantiateStatement(PreparedStatementHandler.java:87) ~[mybatis-3.4.6.jar:3.4.6]

at org.apache.ibatis.executor.statement.BaseStatementHandler.prepare(BaseStatementHandler.java:88) ~[mybatis-3.4.6.jar:3.4.6]

at org.apache.ibatis.executor.statement.RoutingStatementHandler.prepare(RoutingStatementHandler.java:59) ~[mybatis-3.4.6.jar:3.4.6]

at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85) ~[mybatis-3.4.6.jar:3.4.6]

at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:49) ~[mybatis-3.4.6.jar:3.4.6]

at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117) ~[mybatis-3.4.6.jar:3.4.6]

at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76) ~[mybatis-3.4.6.jar:3.4.6]

at sun.reflect.GeneratedMethodAccessor276.invoke(Unknown Source) ~[na:na]

at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) ~[mybatis-3.4.6.jar:3.4.6]

at com.sun.proxy.$Proxy297.update(Unknown Source) ~[na:na]

at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:198) ~[mybatis-3.4.6.jar:3.4.6]

at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:185) ~[mybatis-3.4.6.jar:3.4.6]

at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) ~[mybatis-spring-1.3.2.jar:1.3.2]

... 132 common frames omitted