Spring Boot的應用啟動與關閉
阿新 • • 發佈：2019-01-06
文章作者：Tyan
部落格：noahsnail.com | CSDN | 簡書
1. Spring Boot應用打包
Spring Boot應用可以打成jar包，其中內嵌tomcat，因此可以直接啟動使用。但是在Spring Boot應用啟動之前，首先需要進行打包，本文講述的是Maven工程的打包，打包需要的前提條件(pom.xml檔案中的內容)是：
...
<packaging>jar</packaging>
...
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
... 打包命令為：
mvn clean package -Dmaven.test.skip=true
# Demo
$ mvn clean package -Dmaven.test.skip=true
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.example:myproject:jar:0.0.1-SNAPSHOT
[WARNING] 'build.plugins.plugin.version' 或在eclipse中執行run -> Maven build...，在Goals中填寫clean package -Dmaven.test.skip=true，執行，打包完成。
2. Spring Boot應用啟動
Spring Boot的啟動命令為：
java -jar application.jar
# Demo
$ java -jar target/myproject-0.0.1-SNAPSHOT.jar
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.4.3.RELEASE)
2017-01-13 15:31:36.911 INFO 62119 --- [ main] com.test.Example : Starting Example on local with PID 62119 (/Users/ltc/Spring Boot Demo/target/myproject-0.0.1-SNAPSHOT.jar started by liutianchi in /Users/ltc/Spring Boot Demo)
2017-01-13 15:31:36.916 INFO 62119 --- [ main] com.test.Example : No active profile set, falling back to default profiles: default
2017-01-13 15:31:36.981 INFO 62119 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWeb[email protected]: startup date [Fri Jan 13 15:31:36 CST 2017]; root of context hierarchy
2017-01-13 15:31:38.602 INFO 62119 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)
2017-01-13 15:31:38.615 INFO 62119 --- [ main] o.apache.catalina.core.StandardService : Starting service Tomcat
2017-01-13 15:31:38.616 INFO 62119 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.6
2017-01-13 15:31:38.718 INFO 62119 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2017-01-13 15:31:38.718 INFO 62119 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 1740 ms
2017-01-13 15:31:38.927 INFO 62119 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Mapping servlet: 'dispatcherServlet' to [/]
2017-01-13 15:31:38.932 INFO 62119 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'metricsFilter' to: [/*]
2017-01-13 15:31:38.932 INFO 62119 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2017-01-13 15:31:38.932 INFO 62119 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2017-01-13 15:31:38.932 INFO 62119 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2017-01-13 15:31:38.932 INFO 62119 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2017-01-13 15:31:38.932 INFO 62119 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'webRequestLoggingFilter' to: [/*]
2017-01-13 15:31:38.932 INFO 62119 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'applicationContextIdFilter' to: [/*]
2017-01-13 15:31:39.217 INFO 62119 --- [ main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot[email protected]b1a58a3: startup date [Fri Jan 13 15:31:36 CST 2017]; root of context hierarchy
2017-01-13 15:31:39.310 INFO 62119 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/]}" onto java.lang.String com.test.Example.home()
2017-01-13 15:31:39.313 INFO 62119 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2017-01-13 15:31:39.313 INFO 62119 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2017-01-13 15:31:39.338 INFO 62119 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2017-01-13 15:31:39.338 INFO 62119 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2017-01-13 15:31:39.378 INFO 62119 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2017-01-13 15:31:39.665 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/metrics/{name:.*}],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.MetricsMvcEndpoint.value(java.lang.String)
2017-01-13 15:31:39.665 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/metrics || /manage/metrics.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2017-01-13 15:31:39.666 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/mappings || /manage/mappings.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2017-01-13 15:31:39.667 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/trace || /manage/trace.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2017-01-13 15:31:39.667 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/info || /manage/info.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2017-01-13 15:31:39.668 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/configprops || /manage/configprops.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2017-01-13 15:31:39.669 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/heapdump || /manage/heapdump.json],methods=[GET],produces=[application/octet-stream]}" onto public void org.springframework.boot.actuate.endpoint.mvc.HeapdumpMvcEndpoint.invoke(boolean,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) throws java.io.IOException,javax.servlet.ServletException
2017-01-13 15:31:39.669 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/autoconfig || /manage/autoconfig.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2017-01-13 15:31:39.673 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/env/{name:.*}],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EnvironmentMvcEndpoint.value(java.lang.String)
2017-01-13 15:31:39.673 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/env || /manage/env.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2017-01-13 15:31:39.674 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/health || /manage/health.json],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.HealthMvcEndpoint.invoke(java.security.Principal)
2017-01-13 15:31:39.675 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/dump || /manage/dump.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2017-01-13 15:31:39.677 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/shutdown || /manage/shutdown.json],methods=[POST]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.ShutdownMvcEndpoint.invoke()
2017-01-13 15:31:39.678 INFO 62119 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/manage/beans || /manage/beans.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2017-01-13 15:31:39.799 INFO 62119 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2017-01-13 15:31:39.809 INFO 62119 --- [ main] o.s.c.support.DefaultLifecycleProcessor : Starting beans in phase 0
2017-01-13 15:31:39.944 INFO 62119 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)
2017-01-13 15:31:39.949 INFO 62119 --- [ main] com.test.Example : Started Example in 4.292 seconds (JVM running for 4.726)3. Spring Boot應用關閉
Spring Boot應用關閉的前提條件是POM.xml新增以下內容：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>application.properties中新增：
#啟用shutdown
endpoints.shutdown.enabled=true
#禁用密碼驗證
endpoints.shutdown.sensitive=false關閉命令為：
curl -X POST host:port/shutdown
# Demo
$ curl -X POST http://localhost:8080/shutdown
{"message":"Shutting down, bye..."}
$ curl -X POST http://localhost:8080/manage/shutdown
{"message":"Shutting down, bye..."}如果要配置路徑，需要在application.properties中新增management.context-path=/manage，則關閉命令變為curl -X POST host:port/manage/shutdown。
4. 安全驗證
如果在關閉時需要安全驗證，則在pom.xml檔案中新增：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>application.properties中新增：
#開啟shutdown的安全驗證
endpoints.shutdown.sensitive=true
#驗證使用者名稱
security.user.name=admin
#驗證密碼
security.user.password=admin
#角色
management.security.role=SUPERUSER
# 指定埠
management.port=8081
# 指定地址
management.address=127.0.0.1關閉命令為：
curl -u admin:admin -X POST http://127.0.0.1:8081/manage/shutdown
# Demo
$ curl -u admin:admin -X POST http://127.0.0.1:8081/manage/shutdown
{"message":"Shutting down, bye..."}