春季启动版本更改出错误

Question

我的项目在春季boot 1.5.6.release上。

现在迁移到2.1.3版本后。发布后，运行后显示以下错误：

java.lang.nosuchmethoderror：org.springframework.boot.builder.springapplicationbuilder。（[ljava/lang/object;）v 在 org.springframework.cloud.bootstrap.bootstrapapplicationlistener.bootstrapservicecontext（bootstrapapplicationlistener.java:157） 在 org.springframework.cloud.bootstrap.bootstrapapplicationlistener.onapplicationevent（bootstrapapplicationlistener.java：98） 在 org.springframework.cloud.bootstrap.bootstrapapplicationlistener.onapplicationevent（bootstrapapplicationlistener.java:64） 在 org.springframework.context.event.simpleapplicationeventmulticaster.doinvokelistener（SimpleApplicationEventMulticaster.java:172） 在 org.springframework.context.event.simpleapplicationeventmulticaster.invokelistener（SimpleApplicationEventMulticaster.java:165） 在 org.springframework.context.event.simpleapplicationeventmulticaster.multicastevent（SimpleApplicationEventMulticaster.java:139） 在 org.springframework.context.event.simpleapplicationeventmulticaster.multicastevent（SimpleApplicationEventMulticaster.java:127） 在 org.springframework.boot.context.event.eventpublishishingristener.environmentprepared（event -publublishingRunlistener.java:75） 在 org.springframework.boot.springapplicationrunlisteners.environmentprepared（springapplicationrunlisteners.java:54） 在 org.springframework.boot.springapplication.prepareenvironment（SpringApplication.java:347） 在 org.springframework.boot.springapplication.run（springapplication.java:306） 在 org.springframework.boot.springapplication.run（springapplication.java:1260） 在 org.springframework.boot.springapplication.run（springapplication.java:1248） 在 org.netlink.workboard.application.workboardapiapplication.main（workboardapiapplication.java:25）

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"
    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>workboard-api</groupId>
    <artifactId>workboard-api</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>
    <name>workboard-api</name>
    <description>Demo project for Spring Boot</description>
    <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>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.3.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
    </parent>
    <properties>
        <spring-cloud.version>Dalston.SR1</spring-cloud.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>11</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-config</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bus-amqp</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>20180813</version>
            </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>false</optional>
        </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>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-jpamodelgen</artifactId>
        </dependency>
        <!-- https://mvnrepository.com/artifact/commons-codec/commons-codec -->
        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
        </dependency>


      </dependencies>
      <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <executable>true</executable>
                </configuration>
            </plugin>
        </plugins>
        <finalName>workboard-api</finalName>
      </build>
    </project>

Answer 1

您正在使用弹簧云Dalston版本WIHCH是在Spring Boot 1.5.x

上构建的

所以我认为您必须使用兼容版本的Spring Boot2.x。

尝试使用Greenwich版本

<spring-cloud.version>Greenwich.RELEASE</spring-cloud.version>

然后使用Maven清洁并重新安装您的项目。