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Spring Boot由jar包转成war包

 
阅读更多

spring boot 默认是以jar包形式启动web程序,在新建spring boot项目时候可以选择war包的启动方式。

 

建议在开发的时候建立以jar包启动的web项目,启动效率更快,此时如果想发布成war包形式部署,做如下操作:

1.修改pom.xml

<packaging>jar</packaging>

 

修改成

<packaging>war</packaging>

 

2.新增如下到pom.xml文件中

	<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-tomcat</artifactId>
			<scope>provided</scope>
		</dependency>

 

3.新增ServletInitializer类

import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.web.SpringBootServletInitializer;

public class ServletInitializer extends SpringBootServletInitializer {

	@Override
	protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
		return application.sources(Application.class);
	}

}

 

新书推荐《JavaEE开发的颠覆者: Spring Boot实战》,涵盖Spring 4.x、Spring MVC 4.x、Spring Boot企业开发实战。

 

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亚马逊地址:http://www.amazon.cn/图书/dp/B01D5ZBFUK/ref=zg_bsnr_663834051_6 

淘宝地址:https://item.taobao.com/item.htm?id=528426235744&ns=1&abbucket=8#detail

 

或自己在京东、淘宝、亚马逊、当当、互动出版社搜索自选。

 


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17 楼 农村外出务工男JAVA 2017-03-05  
遇到了和大家一样的问,转成war后,,访问404,至今网上没找到解决方案,采用springboot 1.4.3 + jersey 2.x + tomcat 7
16 楼 nnxiaod 2017-03-01  
306274163 写道
  各位问题解决了吗?我也是JAR转成WAR,启动正常该问404



82.2 Create a deployable war file for older servlet containers

Older Servlet containers don’t have support for the ServletContextInitializer bootstrap process used in Servlet 3.0. You can still use Spring and Spring Boot in these containers but you are going to need to add a web.xml to your application and configure it to load an ApplicationContext via a DispatcherServlet.

以上是官方文档,如果你用的是servlet3.0以下的版本(tomcat7以下),是要添加web.xml的,还是升级到tomocat7吧,最简单了。。。
15 楼 306274163 2017-02-08  
  各位问题解决了吗?我也是JAR转成WAR,启动正常该问404
14 楼 fanxl12 2016-12-30  
正确配置如下:
@SpringBootApplication
public class TesttomcatApplication extends SpringBootServletInitializer {

	@Override
	protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
		return application.sources(TesttomcatApplication.class);
	}

//	@Override  复制官方文档上的方法,Application直接导入进去了,实际上应该是TesttomcatApplication
//	protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
//		return application.sources(Application.class);
//	}

	public static void main(String[] args) {
		SpringApplication.run(TesttomcatApplication.class, args);
	}
}
13 楼 fanxl12 2016-12-30  
fanxl12 写道
按照文档,把jar改成war,tomcat启动就报错了,访问404,org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/testtomcat-0.0.1-SNAPSHOT]]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'application': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javafx.application.Application]: Is it an abstract class?; nested exception is java.lang.InstantiationException
不知道哪里出问题了,求解决

解决了自己的问题,看着官方文档配置,自己直接复制过来,没想到官方用的application.sources(Application.class)的Application类直接导入进去了,实际上应该是用自己的类名,望大家不要入坑
12 楼 fanxl12 2016-12-30  
lengyue1127 写道
博主的书我买了也基本看完了,很多测试也做了,基本例子都能调通,但是卡在war包发布这里了,我在网上也查了很多资料,包括官网也看了看。这个问题卡了一周了,不管怎么访问都是404。进不了controller。贴上我代码的信息,博主给的源码也下载和看了,我看很多评论也是卡在这里,博主能看看这个问题吗?

这个是代码入口。
import org.springframework.boot.web.support.SpringBootServletInitializer;

@SpringBootApplication
public class TestWarApplication extends SpringBootServletInitializer{
	
	@Override
	protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
		return application.sources(TestWarApplication.class);
	}

	public static void main(String[] args) {
		SpringApplication.run(TestWarApplication.class, args);
	}
}


这个是controller
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class WarController {
	@RequestMapping("/sayHello")
	public String sayHello() {
		return "sayHello";
	}
}


这个是porm.xml 配置
<?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.lengyue</groupId>
	<artifactId>com.lengyue</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>war</packaging>

	<name>TestWar</name>
	<description>Demo</description>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.4.0.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-starter-tomcat</artifactId>
			<scope>provided</scope>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>

	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
</project>


这个是启动日志
  .   ____          _            __ _ _
/\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot ::        (v1.4.0.RELEASE)

2016-09-21 16:22:10.937  INFO 2275 --- [ost-startStop-1] com.lengyue.TestWarApplication           : Starting TestWarApplication v0.0.1-SNAPSHOT on localhost with PID 2275 (/Users/Kandom/Desktop/Spring_Tool_Suite/pivotal-tc-server-developer-3.1.5.RELEASE/base-instance/wtpwebapps/TestWar/WEB-INF/classes started by Kandom in /Users/Kandom/Desktop/Spring_Tool_Suite/STS.app/Contents/MacOS)
2016-09-21 16:22:10.942  INFO 2275 --- [ost-startStop-1] com.lengyue.TestWarApplication           : No active profile set, falling back to default profiles: default
2016-09-21 16:22:10.993  INFO 2275 --- [ost-startStop-1] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@4012eeb: startup date [Wed Sep 21 16:22:10 CST 2016]; root of context hierarchy
2016-09-21 16:22:11.793  INFO 2275 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 801 ms
2016-09-21 16:22:12.285  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Mapping servlet: 'dispatcherServlet' to [/]
2016-09-21 16:22:12.286  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'errorPageFilter' to: [/*]
2016-09-21 16:22:12.286  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]
2016-09-21 16:22:12.287  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2016-09-21 16:22:12.287  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2016-09-21 16:22:12.287  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]
2016-09-21 16:22:12.587  INFO 2275 --- [ost-startStop-1] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@4012eeb: startup date [Wed Sep 21 16:22:10 CST 2016]; root of context hierarchy
2016-09-21 16:22:12.661  INFO 2275 --- [ost-startStop-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/sayHello]}" onto public java.lang.String com.lengyue.controller.WarController.sayHello()
2016-09-21 16:22:12.665  INFO 2275 --- [ost-startStop-1] 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)
2016-09-21 16:22:12.665  INFO 2275 --- [ost-startStop-1] 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)
2016-09-21 16:22:12.692  INFO 2275 --- [ost-startStop-1] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2016-09-21 16:22:12.692  INFO 2275 --- [ost-startStop-1] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2016-09-21 16:22:12.730  INFO 2275 --- [ost-startStop-1] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2016-09-21 16:22:12.852  INFO 2275 --- [ost-startStop-1] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2016-09-21 16:22:12.866  INFO 2275 --- [ost-startStop-1] com.lengyue.TestWarApplication           : Started TestWarApplication in 2.539 seconds (JVM running for 4.375)
2016-09-21 16:22:12.940  INFO 2275 --- [ost-startStop-1] org.apache.jasper.servlet.TldScanner     : At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
2016-09-21 16:22:12.982  INFO 2275 --- [ost-startStop-1] org.apache.jasper.servlet.TldScanner     : At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
九月 21, 2016 4:22:12 下午 org.apache.catalina.startup.Catalina start
信息: Server startup in 3601 ms


我在本地是这样访问的
http://localhost:8080/TestWar/sayHello

一直报404的错误。

我这边也是,望解决
11 楼 fanxl12 2016-12-30  
按照文档,把jar改成war,tomcat启动就报错了,访问404,org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/testtomcat-0.0.1-SNAPSHOT]]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'application': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javafx.application.Application]: Is it an abstract class?; nested exception is java.lang.InstantiationException
不知道哪里出问题了,求解决
10 楼 IT小将 2016-12-29  
8楼的问题解决了吗?我也遇到这个问题了
9 楼 zhaoyaoniwo 2016-12-13  
把restcontroller换成controller
8 楼 lengyue1127 2016-09-21  
博主的书我买了也基本看完了,很多测试也做了,基本例子都能调通,但是卡在war包发布这里了,我在网上也查了很多资料,包括官网也看了看。这个问题卡了一周了,不管怎么访问都是404。进不了controller。贴上我代码的信息,博主给的源码也下载和看了,我看很多评论也是卡在这里,博主能看看这个问题吗?

这个是代码入口。
import org.springframework.boot.web.support.SpringBootServletInitializer;

@SpringBootApplication
public class TestWarApplication extends SpringBootServletInitializer{
	
	@Override
	protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
		return application.sources(TestWarApplication.class);
	}

	public static void main(String[] args) {
		SpringApplication.run(TestWarApplication.class, args);
	}
}


这个是controller
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class WarController {
	@RequestMapping("/sayHello")
	public String sayHello() {
		return "sayHello";
	}
}


这个是porm.xml 配置
<?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.lengyue</groupId>
	<artifactId>com.lengyue</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>war</packaging>

	<name>TestWar</name>
	<description>Demo</description>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.4.0.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-starter-tomcat</artifactId>
			<scope>provided</scope>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>

	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
</project>


这个是启动日志
  .   ____          _            __ _ _
/\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot ::        (v1.4.0.RELEASE)

2016-09-21 16:22:10.937  INFO 2275 --- [ost-startStop-1] com.lengyue.TestWarApplication           : Starting TestWarApplication v0.0.1-SNAPSHOT on localhost with PID 2275 (/Users/Kandom/Desktop/Spring_Tool_Suite/pivotal-tc-server-developer-3.1.5.RELEASE/base-instance/wtpwebapps/TestWar/WEB-INF/classes started by Kandom in /Users/Kandom/Desktop/Spring_Tool_Suite/STS.app/Contents/MacOS)
2016-09-21 16:22:10.942  INFO 2275 --- [ost-startStop-1] com.lengyue.TestWarApplication           : No active profile set, falling back to default profiles: default
2016-09-21 16:22:10.993  INFO 2275 --- [ost-startStop-1] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@4012eeb: startup date [Wed Sep 21 16:22:10 CST 2016]; root of context hierarchy
2016-09-21 16:22:11.793  INFO 2275 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 801 ms
2016-09-21 16:22:12.285  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Mapping servlet: 'dispatcherServlet' to [/]
2016-09-21 16:22:12.286  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'errorPageFilter' to: [/*]
2016-09-21 16:22:12.286  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]
2016-09-21 16:22:12.287  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2016-09-21 16:22:12.287  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2016-09-21 16:22:12.287  INFO 2275 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]
2016-09-21 16:22:12.587  INFO 2275 --- [ost-startStop-1] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@4012eeb: startup date [Wed Sep 21 16:22:10 CST 2016]; root of context hierarchy
2016-09-21 16:22:12.661  INFO 2275 --- [ost-startStop-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/sayHello]}" onto public java.lang.String com.lengyue.controller.WarController.sayHello()
2016-09-21 16:22:12.665  INFO 2275 --- [ost-startStop-1] 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)
2016-09-21 16:22:12.665  INFO 2275 --- [ost-startStop-1] 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)
2016-09-21 16:22:12.692  INFO 2275 --- [ost-startStop-1] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2016-09-21 16:22:12.692  INFO 2275 --- [ost-startStop-1] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2016-09-21 16:22:12.730  INFO 2275 --- [ost-startStop-1] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2016-09-21 16:22:12.852  INFO 2275 --- [ost-startStop-1] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2016-09-21 16:22:12.866  INFO 2275 --- [ost-startStop-1] com.lengyue.TestWarApplication           : Started TestWarApplication in 2.539 seconds (JVM running for 4.375)
2016-09-21 16:22:12.940  INFO 2275 --- [ost-startStop-1] org.apache.jasper.servlet.TldScanner     : At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
2016-09-21 16:22:12.982  INFO 2275 --- [ost-startStop-1] org.apache.jasper.servlet.TldScanner     : At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
九月 21, 2016 4:22:12 下午 org.apache.catalina.startup.Catalina start
信息: Server startup in 3601 ms


我在本地是这样访问的
http://localhost:8080/TestWar/sayHello

一直报404的错误。
7 楼 ikinger 2016-09-17  
同样遇到了和一楼同样的问题,访问加上了项目名,index.jsp可以正常访问,就是访问不了controller,不知道为什么,已经困扰很久了。
6 楼 paker1989 2016-08-11  
kucoll 写道
我用spring boot打war包打好了,也部署了,但其中的rest API都是404,是这么回事。
另外你这个类用放在哪里? 随便扔就行了,还是需要在哪里引用这个文件?



请求加上项目名
5 楼 onepieceshin 2015-11-25  
终于找到打包成war部署到tomcat去了,
楼主,我想问为什么要这样才行呢?
4 楼 wiselyman 2015-10-16  
somefuture 写道
这么做的目的是什么?jar和war的优劣势是什么呢


是对目前流行的微服务的响应
3 楼 somefuture 2015-10-07  
这么做的目的是什么?jar和war的优劣势是什么呢
2 楼 wiselyman 2014-11-03  
kucoll 写道
我用spring boot打war包打好了,也部署了,但其中的rest API都是404,是这么回事。
另外你这个类用放在哪里? 随便扔就行了,还是需要在哪里引用这个文件?

放在和Application.java一个目录下
1 楼 kucoll 2014-11-02  
我用spring boot打war包打好了,也部署了,但其中的rest API都是404,是这么回事。
另外你这个类用放在哪里? 随便扔就行了,还是需要在哪里引用这个文件?

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