Unable to start embedded container; nested exception is java.lang.NullPointerException

2018-02-06 09:59:24.084 |-INFO [restartedMain] tv.seei.manage.ManageApplication [48] -| Starting ManageApplication on USER-PC with PID 6588 (E:\ideaWorkspace\manage\target\classes started by Administrator in E:\ideaWorkspace\SpringBootSample01) 2018-02-06 09:59:24.087 |-INFO [restartedMain] tv.seei.manage.ManageApplication [597] -| The following profiles are active: dev 2018-02-06 09:59:24.276 |-INFO [background-preinit] org.hibernate.validator.internal.util.Version [30] -| HV000001: Hibernate Validator 5.3.6.Final 2018-02-06 09:59:25.267 |-INFO [restartedMain] org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext [583] -| Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@c74731: startup date [Tue Feb 06 09:59:25 CST 2018]; root of context hierarchy 2018-02-06 09:59:28.826 |-INFO [restartedMain] org.springframework.data.repository.config.RepositoryConfigurationDelegate [165] -| Multiple Spring Data modules found, entering strict repository configuration mode! 2018-02-06 09:59:28.976 |-INFO [restartedMain] org.springframework.data.repository.config.RepositoryConfigurationDelegate [165] -| Multiple Spring Data modules found, entering strict repository configuration mode! 2018-02-06 09:59:29.085 |-INFO [restartedMain] org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport [270] -| Spring Data Redis - Could not safely identify store assignment for repository candidate interface tv.seei.manage.authorization.dao.UserDao. 2018-02-06 09:59:31.695 |-WARN [restartedMain] org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext [551] -| Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is java.lang.NullPointerException 2018-02-06 09:59:31.714 |-INFO [restartedMain] org.springframework.boot.autoconfigure.logging.AutoConfigurationReportLoggingInitializer [101] -|

Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled. 2018-02-06 09:59:31.745 |-ERROR [restartedMain] org.springframework.boot.SpringApplication [771] -| Application startup failed org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is java.lang.NullPointerException at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:137) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:537) at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360) at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107) at tv.seei.manage.ManageApplication.main(ManageApplication.java:12) 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.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) Caused by: java.lang.NullPointerException: null at org.springframework.boot.autoconfigure.web.ServerProperties$Tomcat$1.customize(ServerProperties.java:878) at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.configureContext(TomcatEmbeddedServletContainerFactory.java:498) at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.prepareContext(TomcatEmbeddedServletContainerFactory.java:234) at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:178) at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:164) at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:134) ... 13 common frames omitted