概述
Spring boot项目通常情况下有如下几种启动方式：
- 通过主类启动。
- 通过spring-boot的maven插件spring-boot-maven-plugin方式启动。
- 通过可执行jar/war包方式启动。
- 通过Servlet容器启动，如Tomcat、Jetty等。
今天我们来聊一下spring boot的maven插件spring-boot-maven-plugin启动过程中的profiles问题。首先，我们前往网站SPRING INITIALIZR，参照下图创建一个名称为demo的spring boot项目。
SPRING INITIALIZR
点击按钮"Generate Poject alt + Enter"，将得到一个名称为demo.zip的文件，解压该文件，将得到一个名为demo的目录。
我们接下来，将以这个demo项目为例展开讲解。
项目结构
为了演示我们后面的实验，我们对项目demo做一些调整，调整后的目录结构如下如示。
lwk@qwfys ~/Public/project/io/spring/sts/ws/demo $ ll
total 40
drwxrwxr-x 4 lwk lwk 4096 Apr 18 01:11 ./
drwxrwxr-x 10 lwk lwk 4096 Apr 18 00:36 ../
-rw-rw-r-- 1 lwk lwk 268 Apr 17 23:56 .gitignore
drwxrwxr-x 3 lwk lwk 4096 Apr 17 23:56 .mvn/
-rwxrwxr-x 1 lwk lwk 6468 Apr 17 23:56 mvnw*
-rw-rw-r-- 1 lwk lwk 4994 Apr 17 23:56 mvnw.cmd
-rw-rw-r-- 1 lwk lwk 1567 Apr 18 00:59 pom.xml
drwxrwxr-x 4 lwk lwk 4096 Apr 17 23:56 src/
lwk@qwfys ~/Public/project/io/spring/sts/ws/demo $ tree
.
├── mvnw
├── mvnw.cmd
├── pom.xml
└── src
├── main
│ ├── java
│ │ └── com
│ │ └── example
│ │ └── demo
│ │ └── DemoApplication.java
│ └── resources
│ ├── application-dev.yml
│ ├── application-prod.yml
│ ├── application-test.yml
│ ├── application.yml
│ ├── static
│ └── templates
└── test
└── java
└── com
└── example
└── demo
└── DemoApplicationTests.java
14 directories, 9 files
lwk@qwfys ~/Public/project/io/spring/sts/ws/demo $
这里简单说一下，我的电脑上安装的是Linux mint 18.3系统，所以在目录展示上可能与大家使用的Windows 7/8/10等风格上不一致，这个没有关系的，希望大家不要感觉到奇怪。
这里我们将环境粗略划分为开发环境(dev)、测试环境(test)、生产环境(prod)，主要是为了演示spring boot的spring-boot maven插件的profiles与spring boot中spring.profiles的用对应关系及相关用法。
接下来我们先简要浏览一下上述目录中的几个关键文件的内容。
pom.xml内容如下：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>${project.name}</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
项目启动主类DemoApplication.java内容如下：
package com.example.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}
application.yml内容如下：
spring:
profiles:
active: dev
开发环境配置文件application-dev.yml内容如下：
server:
port: 8080
生产环境配置文件application-prod.yml内容如下：
server:
port: 9999
测试环境配置文件application-test.yml内容如下：
server:
port: 7829
测试主类DemoApplicationTests.java内容如下：
package com.example.demo;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
public class DemoApplicationTests {
@Test
public void contextLoads() {
}
}
启动参数
默认启动参数
结合上面的文件内容，我们可以看出，整个系统已经将开发环境设置为了默认开发环境，所以，默认启动参数是针对开发环境的。
lwk@qwfys ~/Public/project/io/spring/sts/ws/demo $ mvn spring-boot:run
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building demo 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> spring-boot-maven-plugin:2.0.1.RELEASE:run (default-cli) > test-compile @ demo >>>
[INFO]
[INFO] --- maven-resources-plugin:3.0.1:resources (default-resources) @ demo ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 4 resources
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.7.0:compile (default-compile) @ demo ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 1 source file to /home/lwk/Public/project/io/spring/sts/ws/demo/target/classes
[INFO]
[INFO] --- maven-resources-plugin:3.0.1:testResources (default-testResources) @ demo ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /home/lwk/Public/project/io/spring/sts/ws/demo/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.7.0:testCompile (default-testCompile) @ demo ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 1 source file to /home/lwk/Public/project/io/spring/sts/ws/demo/target/test-classes
[INFO]
[INFO] <<< spring-boot-maven-plugin:2.0.1.RELEASE:run (default-cli) < test-compile @ demo <<<
[INFO]
[INFO] --- spring-boot-maven-plugin:2.0.1.RELEASE:run (default-cli) @ demo ---
[INFO] Attaching agents: []
01:14:10.853 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Included patterns for restart : []
01:14:10.859 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Excluded patterns for restart : [/spring-boot-actuator/target/classes/, /spring-boot-devtools/target/classes/, /spring-boot/target/classes/, /spring-boot-starter-[\w-]+/, /spring-boot-autoconfigure/target/classes/, /spring-boot-starter/target/classes/]
01:14:10.859 [main] DEBUG org.springframework.boot.devtools.restart.ChangeableUrls - Matching URLs for reloading : [file:/home/lwk/Public/project/io/spring/sts/ws/demo/target/classes/]
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.0.1.RELEASE)
2018-04-18 01:14:11.292 INFO 12906 --- [ restartedMain] com.example.demo.DemoApplication : Starting DemoApplication on qwfys with PID 12906 (/home/lwk/Public/project/io/spring/sts/ws/demo/target/classes started by lwk in /home/lwk/Public/project/io/spring/sts/ws/demo)
2018-04-18 01:14:11.292 INFO 12906 --- [ restartedMain] com.example.demo.DemoApplication : The following profiles are active: dev
2018-04-18 01:14:11.350 INFO 12906 --- [ restartedMain] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@4e7f290c: startup date [Wed Apr 18 01:14:11 CST 2018]; root of context hierarchy
2018-04-18 01:14:12.755 INFO 12906 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2018-04-18 01:14:12.794 INFO 12906 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2018-04-18 01:14:12.795 INFO 12906 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.29
2018-04-18 01:14:12.805 INFO 12906 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib]
2018-04-18 01:14:12.873 INFO 12906 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2018-04-18 01:14:12.873 INFO 12906 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 1528 ms
2018-04-18 01:14:13.001 INFO 12906 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/]
2018-04-18 01:14:13.005 INFO 12906 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-04-18 01:14:13.005 INFO 12906 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-04-18 01:14:13.005 INFO 12906 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2018-04-18 01:14:13.005 INFO 12906 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2018-04-18 01:14:13.130 INFO 12906 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-04-18 01:14:13.350 INFO 12906 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@4e7f290c: startup date [Wed Apr 18 01:14:11 CST 2018]; root of context hierarchy
2018-04-18 01:14:13.433 INFO 12906 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2018-04-18 01:14:13.434 INFO 12906 --- [ restartedMain] 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.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2018-04-18 01:14:13.459 INFO 12906 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-04-18 01:14:13.460 INFO 12906 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-04-18 01:14:13.631 INFO 12906 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729
2018-04-18 01:14:13.673 INFO 12906 --- [ restartedMain] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2018-04-18 01:14:13.799 INFO 12906 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2018-04-18 01:14:13.808 INFO 12906 --- [ restartedMain] com.example.demo.DemoApplication : Started DemoApplication in 2.932 seconds (JVM running for 3.428)
那么在如何命令行添加诸如test、prod之类的profiles参数呢，为此，我试了好久，后来终于在Spring Boot Maven Plugin找到了想要的答案，具体如下图所示。
Spring Boot Maven Plugin
经过测试，发现完全满足要求，具体介绍如下：
测试环境启动参数
lwk@qwfys ~/Public/project/io/spring/sts/ws/demo $ mvn spring-boot:run -Dspring-boot.run.profiles=test
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building demo 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> spring-boot-maven-plugin:2.0.1.RELEASE:run (default-cli) > test-compile @ demo >>>
[INFO]
[INFO] --- maven-resources-plugin:3.0.1:resources (default-resources) @ demo ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 4 resources
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.7.0:compile (default-compile) @ demo ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-resources-plugin:3.0.1:testResources (default-testResources) @ demo ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /home/lwk/Public/project/io/spring/sts/ws/demo/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.7.0:testCompile (default-testCompile) @ demo ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] <<< spring-boot-maven-plugin:2.0.1.RELEASE:run (default-cli) < test-compile @ demo <<<
[INFO]
[INFO] --- spring-boot-maven-plugin:2.0.1.RELEASE:run (default-cli) @ demo ---
[INFO] Attaching agents: []
01:47:28.228 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Included patterns for restart : []
01:47:28.231 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Excluded patterns for restart : [/spring-boot-actuator/target/classes/, /spring-boot-devtools/target/classes/, /spring-boot/target/classes/, /spring-boot-starter-[\w-]+/, /spring-boot-autoconfigure/target/classes/, /spring-boot-starter/target/classes/]
01:47:28.231 [main] DEBUG org.springframework.boot.devtools.restart.ChangeableUrls - Matching URLs for reloading : [file:/home/lwk/Public/project/io/spring/sts/ws/demo/target/classes/]
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.0.1.RELEASE)
2018-04-18 01:47:28.547 INFO 14157 --- [ restartedMain] com.example.demo.DemoApplication : Starting DemoApplication on qwfys with PID 14157 (/home/lwk/Public/project/io/spring/sts/ws/demo/target/classes started by lwk in /home/lwk/Public/project/io/spring/sts/ws/demo)
2018-04-18 01:47:28.548 INFO 14157 --- [ restartedMain] com.example.demo.DemoApplication : The following profiles are active: test
2018-04-18 01:47:28.590 INFO 14157 --- [ restartedMain] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@afeee95: startup date [Wed Apr 18 01:47:28 CST 2018]; root of context hierarchy
2018-04-18 01:47:29.550 INFO 14157 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 7829 (http)
2018-04-18 01:47:29.578 INFO 14157 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2018-04-18 01:47:29.579 INFO 14157 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.29
2018-04-18 01:47:29.590 INFO 14157 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib]
2018-04-18 01:47:29.644 INFO 14157 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2018-04-18 01:47:29.644 INFO 14157 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 1059 ms
2018-04-18 01:47:29.741 INFO 14157 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/]
2018-04-18 01:47:29.743 INFO 14157 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-04-18 01:47:29.744 INFO 14157 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-04-18 01:47:29.744 INFO 14157 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2018-04-18 01:47:29.744 INFO 14157 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2018-04-18 01:47:29.826 INFO 14157 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-04-18 01:47:29.967 INFO 14157 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@afeee95: startup date [Wed Apr 18 01:47:28 CST 2018]; root of context hierarchy
2018-04-18 01:47:30.029 INFO 14157 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2018-04-18 01:47:30.030 INFO 14157 --- [ restartedMain] 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.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2018-04-18 01:47:30.046 INFO 14157 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-04-18 01:47:30.046 INFO 14157 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-04-18 01:47:30.163 INFO 14157 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729
2018-04-18 01:47:30.186 INFO 14157 --- [ restartedMain] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2018-04-18 01:47:30.287 INFO 14157 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 7829 (http) with context path ''
2018-04-18 01:47:30.290 INFO 14157 --- [ restartedMain] com.example.demo.DemoApplication : Started DemoApplication in 2.047 seconds (JVM running for 2.401)
生产环境启动参数
lwk@qwfys ~/Public/project/io/spring/sts/ws/demo $ mvn spring-boot:run -Dspring-boot.run.profiles=prod
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building demo 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> spring-boot-maven-plugin:2.0.1.RELEASE:run (default-cli) > test-compile @ demo >>>
[INFO]
[INFO] --- maven-resources-plugin:3.0.1:resources (default-resources) @ demo ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 4 resources
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.7.0:compile (default-compile) @ demo ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-resources-plugin:3.0.1:testResources (default-testResources) @ demo ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /home/lwk/Public/project/io/spring/sts/ws/demo/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.7.0:testCompile (default-testCompile) @ demo ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] <<< spring-boot-maven-plugin:2.0.1.RELEASE:run (default-cli) < test-compile @ demo <<<
[INFO]
[INFO] --- spring-boot-maven-plugin:2.0.1.RELEASE:run (default-cli) @ demo ---
[INFO] Attaching agents: []
01:48:08.788 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Included patterns for restart : []
01:48:08.791 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Excluded patterns for restart : [/spring-boot-actuator/target/classes/, /spring-boot-devtools/target/classes/, /spring-boot/target/classes/, /spring-boot-starter-[\w-]+/, /spring-boot-autoconfigure/target/classes/, /spring-boot-starter/target/classes/]
01:48:08.791 [main] DEBUG org.springframework.boot.devtools.restart.ChangeableUrls - Matching URLs for reloading : [file:/home/lwk/Public/project/io/spring/sts/ws/demo/target/classes/]
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.0.1.RELEASE)
2018-04-18 01:48:09.112 INFO 14280 --- [ restartedMain] com.example.demo.DemoApplication : Starting DemoApplication on qwfys with PID 14280 (/home/lwk/Public/project/io/spring/sts/ws/demo/target/classes started by lwk in /home/lwk/Public/project/io/spring/sts/ws/demo)
2018-04-18 01:48:09.113 INFO 14280 --- [ restartedMain] com.example.demo.DemoApplication : The following profiles are active: prod
2018-04-18 01:48:09.168 INFO 14280 --- [ restartedMain] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@35a08e90: startup date [Wed Apr 18 01:48:09 CST 2018]; root of context hierarchy
2018-04-18 01:48:10.031 INFO 14280 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 9999 (http)
2018-04-18 01:48:10.054 INFO 14280 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2018-04-18 01:48:10.054 INFO 14280 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.29
2018-04-18 01:48:10.063 INFO 14280 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib]
2018-04-18 01:48:10.132 INFO 14280 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2018-04-18 01:48:10.132 INFO 14280 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 967 ms
2018-04-18 01:48:10.248 INFO 14280 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/]
2018-04-18 01:48:10.251 INFO 14280 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-04-18 01:48:10.251 INFO 14280 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-04-18 01:48:10.251 INFO 14280 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2018-04-18 01:48:10.252 INFO 14280 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2018-04-18 01:48:10.349 INFO 14280 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-04-18 01:48:10.496 INFO 14280 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@35a08e90: startup date [Wed Apr 18 01:48:09 CST 2018]; root of context hierarchy
2018-04-18 01:48:10.564 INFO 14280 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2018-04-18 01:48:10.565 INFO 14280 --- [ restartedMain] 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.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2018-04-18 01:48:10.593 INFO 14280 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-04-18 01:48:10.594 INFO 14280 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-04-18 01:48:10.741 INFO 14280 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729
2018-04-18 01:48:10.769 INFO 14280 --- [ restartedMain] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2018-04-18 01:48:10.894 INFO 14280 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 9999 (http) with context path ''
2018-04-18 01:48:10.897 INFO 14280 --- [ restartedMain] com.example.demo.DemoApplication : Started DemoApplication in 2.097 seconds (JVM running for 2.377)
至此任务完成。
总结
从上面的实例我们可以看到，如果在项目中通过spring.profiles定义了多个环境：
application-xxx.yml
用maven插件spring-boot启动时，可以用
mvn spring-boot:run -Dspring-boot.run.profiles=xxx
来启动。
参考文献
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