Spring引导生成器错误:缺少org.springframework.cloud:spring-cloud-starter-netflix-hystrix:jar的“dependencies.dependency.version”

Question

当我要将spring-cloud-starter-netflix-hystrix依赖项添加到pom.xml文件时，构建失败了。该项目已经由spring云网关、netflix-eureka客户端和引导程序构建。我想在这个项目中添加spring-cloud-starter netflix-hystrix依赖项，以启用断路器。

org.springframework.cloud:spring-cloud-starter-netflix-hystrix:jar的“`ERROR‘dependencies.dependency.version”丢失了。@第39行，第15栏

这里我提到了pom.xml文件

    <?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>2.7.2</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.yasas</groupId>
    <artifactId>order-service-api-gateway</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>order-service-api-gateway</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>15</java.version>
        <spring-cloud.version>2021.0.3</spring-cloud.version>
        <maven.compiler.source>15</maven.compiler.source>
        <maven.compiler.target>15</maven.compiler.target>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-webflux</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-gateway</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bootstrap</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>io.projectreactor</groupId>
            <artifactId>reactor-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

Answer 1

错误说明您缺少org.springframework.cloud:spring-cloud-starter-netflix-hystrix的版本。您可以在<properties>部分下声明适当的版本(例如，我正在使用最新版本，这里可以使用任何适当的版本)：

<properties>
..
  <spring-cloud-starter-netflix-hystrix.version>2.2.10.RELEASE</spring-cloud-starter-netflix-hystrix.version>
</properties>

&内部依赖标签：

<dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
            <version>${spring-cloud-starter-netflix-hystrix.version}</version>
        </dependency>

Answer 2

我用的是resilience4j断路器，而不是玻璃断路器。我在API网关服务中的工作正如我所期望的。

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-circuitbreaker-reactor-resilience4j</artifactId>
        </dependency>