为什么我收到此错误？消息：无法读取 pom.xml，在代码的第一行

Question

<?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>2.2.4.RELEASE</version>
            <relativePath/> <!-- lookup parent from repository -->
        </parent>
        <groupId>com.example</groupId>
        <artifactId>temp</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <name>Temp</name>
        <description>Demo project for Spring Boot</description>

        <properties>
            <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-web</artifactId>
            </dependency>

            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <scope>runtime</scope>
            </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>
                <exclusions>
                    <exclusion>
                        <groupId>org.junit.vintage</groupId>
                        <artifactId>junit-vintage-engine</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
        </dependencies>

        <build>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
            </plugins>
        </build>

    </project>

像这样

org.eclipse.core.runtime.CoreException: 无法读取 pom.xml org.eclipse.m2e.core.internal.embedder.MavenImpl.readModel(MavenImpl.java:565) 在 org.eclipse.m2e.core.internal.embedder.MavenImpl.readModel(MavenImpl.java:574) 在 org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refreshPhase2(ProjectRegistryManager.java:542) 在 org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:498) 在 org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:351) 在 org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:298) 在 org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.getProjectFacade(MavenBuilder.java:154) 在 org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:89) 在 org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) 在 org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151) 在 org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99) 在 org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86) 在 org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200) 在 org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:734) 在 org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) 在 org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:205) 在 org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:245) 在 org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:300) 在 org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) 在 org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:303) 在 org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:359) 在 org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:382) 在 org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144) 在 org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235) 在 org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) 引起 作者：org.apache.maven.model.io.ModelParseException：重复标签： 'build'（位置：已看到 START_TAG ...\n\n\t... @65:9) 在 org.apache.maven.model.io.DefaultModelReader.read(DefaultModelReader.java:122) 在 org.apache.maven.model.io.DefaultModelReader.read(DefaultModelReader.java:86) 在 org.eclipse.m2e.core.internal.embedder.MavenImpl.readModel(MavenImpl.java:563) ... 24 更多原因： org.codehaus.plexus.util.xml.pull.XmlPullParserException：重复 标签：“构建”（位置：已看到 START_TAG ...\n\n\t...@65:9) 在 org.apache.maven.model.io.xpp3.MavenXpp3Reader.checkFieldWithDuplicate(MavenXpp3Reader.java:140) 在 org.apache.maven.model.io.xpp3.MavenXpp3Reader.parseModel(MavenXpp3Reader.java:2275) 在 org.apache.maven.model.io.xpp3.MavenXpp3Reader.read(MavenXpp3Reader.java:3845) 在 org.apache.maven.model.io.xpp3.MavenXpp3Reader.read(MavenXpp3Reader.java:595) 在 org.apache.maven.model.io.DefaultModelReader.read(DefaultModelReader.java:117) ... 26 更多

Answer 1

消息说在第 65 行的 pom.xml 中有一个重复的 <build> 标签：

Duplicated tag: 'build' (position: START_TAG seen ...\n\n\t... @65:9)

但是，您发布的pom.xml 完全没问题。也许您的项目中有另一个pom.xml？