Java 运行spring boot rest api时找不到404
运行springboot restservice应用程序时出现404错误。我用的是弹簧靴,球衣休息。我已尝试获取请求Java 运行spring boot rest api时找不到404,java,rest,spring-boot,Java,Rest,Spring Boot,运行springboot restservice应用程序时出现404错误。我用的是弹簧靴,球衣休息。我已尝试获取请求http://localhost:8080/dunames但无法解析。请帮忙 型号类别: @Entity @Table(name = "du") public class duname { private String duname; @Id @GeneratedValue(strategy = GenerationType.AUTO) priv
http://localhost:8080/dunames
但无法解析。请帮忙
型号类别:
@Entity
@Table(name = "du")
public class duname {
private String duname;
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private int id;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public duname()
{
}
public duname(String duname, int id)
{
this.duname=duname;
this.id=id;
}
public String getDuname() {
return duname;
}
public void setDuname(String duname) {
this.duname = duname;
}
}
@RestController
public class ducontroller {
@Autowired
private duservice duService;
private final Logger log=(java.util.logging.Logger) LoggerFactory.getLogger(ducontroller.class);
@RequestMapping("/dunames")
public List<duname> getAlldu()
{
log.info("Starting");
return duService.getAlldu();
}
@RequestMapping("/duname/{id}")
public duname getdu(@PathVariable int id)
{
return duService.getDu(id);
}
@RequestMapping(method=RequestMethod.POST,value="/dunames")
public void addDuname(@RequestBody duname dunames)
{
duService.addDu(dunames);
}
@SpringBootApplication
public class DuaddApplication {
public static void main(String[] args) {
SpringApplication.run(DuaddApplication.class, args);
}
}
<?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.du</groupId>
<artifactId>duadd</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>duadd</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.8.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-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jersey</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</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>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
spring.datasource.url=jdbc:postgresql://localhost:2280/todo
spring.datasource.username=test
spring.datasource.password=test
spring.jpa.generate-ddl=true
server.port=8080
服务类别:
public class duservice {
@Autowired
private durepo durepository;
public List<duname> getAlldu()
{
List<duname> dunames=new ArrayList<duname>();
durepository.findAll()
.forEach(dunames::add);
return dunames;
}
public void addDu(duname dunames)
{
durepository.save(dunames);
}
public duname getDu(int id)
{
return durepository.findOne(id);
}
public void deleteDu(int id)
{
durepository.delete(id);
}
public void updateDu(int id, duname dunames)
{
durepository.save(dunames);
}
}
public interface durepo extends CrudRepository<duname,Integer> {
}
Pom文件:
@Entity
@Table(name = "du")
public class duname {
private String duname;
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private int id;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public duname()
{
}
public duname(String duname, int id)
{
this.duname=duname;
this.id=id;
}
public String getDuname() {
return duname;
}
public void setDuname(String duname) {
this.duname = duname;
}
}
@RestController
public class ducontroller {
@Autowired
private duservice duService;
private final Logger log=(java.util.logging.Logger) LoggerFactory.getLogger(ducontroller.class);
@RequestMapping("/dunames")
public List<duname> getAlldu()
{
log.info("Starting");
return duService.getAlldu();
}
@RequestMapping("/duname/{id}")
public duname getdu(@PathVariable int id)
{
return duService.getDu(id);
}
@RequestMapping(method=RequestMethod.POST,value="/dunames")
public void addDuname(@RequestBody duname dunames)
{
duService.addDu(dunames);
}
@SpringBootApplication
public class DuaddApplication {
public static void main(String[] args) {
SpringApplication.run(DuaddApplication.class, args);
}
}
<?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.du</groupId>
<artifactId>duadd</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>duadd</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.8.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-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jersey</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</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>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
spring.datasource.url=jdbc:postgresql://localhost:2280/todo
spring.datasource.username=test
spring.datasource.password=test
spring.jpa.generate-ddl=true
server.port=8080
一些控制台输出:
2017-10-26 11:06:08.952 INFO 4552 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)
2017-10-26 11:06:08.975 INFO 4552 --- [ main] com.soprasteria.du.DuaddApplication : Started DuaddApplication in 7.096 seconds (JVM running for 7.633)
2017-10-26 11:06:32.779 INFO 4552 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring FrameworkServlet 'dispatcherServlet'
2017-10-26 11:06:32.779 INFO 4552 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization started
2017-10-26 11:06:32.800 INFO 4552 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization completed in 21 ms
我找到了解决办法。这是由于包的可见性。 主类无法找到控制器类所在的包。 因此,我在同一个包中添加了所有类。您还可以将应用程序类放在上一级 已从以下链接获得帮助:
是的,我知道,但无法找出哪里出错了。根据您的控制台输出,似乎没有调用方法
getAlldu()
。那么,调用http://localhost:8080/dunames
?您的web.xml
看起来像什么?@LHCHIN是的,它没有被调用。我收到404消息。@Wabi它没有web.xml。它是spring引导应用程序