错误如下所示:
第一, 检查maven下的pom文件是否正确导入所有的包
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| <parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.3.5.RELEASE</version>
<relativePath></relativePath>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>Brixton.RELEASE</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<!-- 导入ribbon依赖 -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-ribbon</artifactId>
</dependency>
<!-- 导入eureka依赖, 进行服务注册 -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<!-- 导入spring-boot依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
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第二, 检查是否有BeanFactory中是否存在RestTemplate, 并有无加载注解@LoadBalanced
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| @Bean
@LoadBalanced
public RestTemplate restTemplate() {
return new RestTemplate();
}
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第三, 检查是否填写错误路由
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| @RequestMapping(value="/add", method=RequestMethod.GET)
public String addService() {
// 正确代码: "http://COMPUTE-SERVICE/add?a=10&b=30"
return restTemplate.getForEntity("COMPUTE-SERVICE/add?a=10&b=30", String.class).getBody();
}
|