Spring Cloud微服务服务器端口强制转换异常

Question

作为 Spring Boot 和微服务架构的新手，尝试使用 Spring Boot Cloud Starter 构建一个简单的应用程序。

我使用它spring-cloud-config-server来外部化配置文件（.properties）

我这里有 Spring Cloud 配置，它从 git 存储库带来 .properties 文件，另一个微服务 (product-microservice)试图从该微服务访问其配置spring-cloud-config-server。

一切工作正常，除了抛出（在第二个微服务内）server.port的属性ClassCastException

这是配置文件： https://github.com/mssm199996/microservice-ecommerce-2/blob/master/product-microservice.properties

第一个微服务的代码：

@EnableConfigServer

@SpringBootApplication

public class CloudServerConfigApplication {

    public static void main(String[] args) {

        SpringApplication.run(CloudServerConfigApplication.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 https://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>2.2.0.RELEASE</version>

        <relativePath/> <!-- lookup parent from repository -->

    </parent>

    <groupId>com.mssmfactory</groupId>

    <artifactId>cloud-server-config</artifactId>

    <version>0.0.1-SNAPSHOT</version>

    <name>cloud-server-config</name>

    <description>Demo project for Spring Boot</description>

    <properties>

        <java.version>1.8</java.version>

        <spring-cloud.version>Hoxton.BUILD-SNAPSHOT</spring-cloud.version>

    </properties>

    <dependencies>

        <dependency>

            <groupId>org.springframework.cloud</groupId>

            <artifactId>spring-cloud-config-server</artifactId>

        </dependency>

Answer 1

您需要覆盖从 发送的属性config server，然后添加product-microservice.properties以下配置：spring.cloud.config.allowOverride=truespring.cloud.config.overrideNone=falsespring.cloud.config.overrideSystemProperties=false

Answer 2

终于发现问题了。这是文件中的一个问题pom.xml，因为我已经从github 存储库下载了上述微服务，并且它使用的是我修改的旧版本的spring ，而没有修改与新版本的 spring冲突的spring 云版本 。我所做的是，使用intellij 创建一个新模块，spring intializr并向其中添加spring cloud config 客户端依赖项，以便它自动生成pom.xml文件，并在我的微服务中使用它。这是新的 pom.xml<?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"&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">&nbsp; &nbsp; <modelVersion>4.0.0</modelVersion>&nbsp; &nbsp; <groupId>com.mproduits</groupId>&nbsp; &nbsp; <artifactId>mproduits</artifactId>&nbsp; &nbsp; <version>0.0.1-SNAPSHOT</version>&nbsp; &nbsp; <packaging>jar</packaging>&nbsp; &nbsp; <name>mproduits</name>&nbsp; &nbsp; <description>Microservice de gestion des produits</description>&nbsp; &nbsp; <parent>&nbsp; &nbsp; &nbsp; &nbsp; <groupId>org.springframework.boot</groupId>&nbsp; &nbsp; &nbsp; &nbsp; <artifactId>spring-boot-starter-parent</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; <version>2.2.0.RELEASE</version>&nbsp; &nbsp; &nbsp; &nbsp; <relativePath/>&nbsp; &nbsp; </parent>&nbsp; &nbsp; <properties>&nbsp; &nbsp; &nbsp; &nbsp; <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>&nbsp; &nbsp; &nbsp; &nbsp; <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>&nbsp; &nbsp; &nbsp; &nbsp; <java.version>1.8</java.version>&nbsp; &nbsp; &nbsp; &nbsp; <spring-cloud.version>Hoxton.M3</spring-cloud.version>&nbsp; &nbsp; </properties>&nbsp; &nbsp; <dependencies>&nbsp; &nbsp; &nbsp; &nbsp; <dependency>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <groupId>org.projectlombok</groupId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <artifactId>lombok</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <optional>true</optional>&nbsp; &nbsp; &nbsp; &nbsp; </dependency>&nbsp; &nbsp; &nbsp; &nbsp; <dependency>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <groupId>org.springframework.boot</groupId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <artifactId>spring-boot-starter-web</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; </dependency>&nbsp; &nbsp; &nbsp; &nbsp; <dependency>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <groupId>org.springframework.boot</groupId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <artifactId>spring-boot-starter-data-jpa</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; </dependency>&nbsp; &nbsp; &nbsp; &nbsp; <dependency>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <groupId>com.h2database</groupId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <artifactId>h2</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <scope>runtime</scope>&nbsp; &nbsp; &nbsp; &nbsp; </dependency>&nbsp; &nbsp; &nbsp; &nbsp; <dependency>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <groupId>org.springframework.boot</groupId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <artifactId>spring-boot-starter-test</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <scope>test</scope>&nbsp; &nbsp; &nbsp; &nbsp; </dependency>&nbsp; &nbsp; &nbsp; &nbsp; <dependency>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <groupId>mysql</groupId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <artifactId>mysql-connector-java</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <scope>runtime</scope>&nbsp; &nbsp; &nbsp; &nbsp; </dependency>&nbsp; &nbsp; &nbsp; &nbsp; <!-- ********************************************************************** -->&nbsp; &nbsp; &nbsp; &nbsp; <dependency>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <groupId>org.springframework.boot</groupId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <artifactId>spring-boot-configuration-processor</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <optional>true</optional>&nbsp; &nbsp; &nbsp; &nbsp; </dependency>&nbsp; &nbsp; &nbsp; &nbsp; <dependency>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <groupId>org.springframework.cloud</groupId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <artifactId>spring-cloud-starter-config</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; </dependency>&nbsp; &nbsp; </dependencies>&nbsp; &nbsp; <dependencyManagement>&nbsp; &nbsp; &nbsp; &nbsp; <dependencies>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <dependency>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <groupId>org.springframework.cloud</groupId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <artifactId>spring-cloud-dependencies</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <version>${spring-cloud.version}</version>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <type>pom</type>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <scope>import</scope>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </dependency>&nbsp; &nbsp; &nbsp; &nbsp; </dependencies>&nbsp; &nbsp; </dependencyManagement>&nbsp; &nbsp; <build>&nbsp; &nbsp; &nbsp; &nbsp; <plugins>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <plugin>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <groupId>org.springframework.boot</groupId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <artifactId>spring-boot-maven-plugin</artifactId>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </plugin>&nbsp; &nbsp; &nbsp; &nbsp; </plugins>&nbsp; &nbsp; </build>&nbsp; &nbsp; <repositories>&nbsp; &nbsp; &nbsp; &nbsp; <repository>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <id>spring-milestones</id>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <name>Spring Milestones</name>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <url>https://repo.spring.io/milestone</url>&nbsp; &nbsp; &nbsp; &nbsp; </repository>&nbsp; &nbsp; </repositories></project>希望能帮助到你 ！