使用Spring和Eclipse构建web应用程序的问题

Question

请帮我解决Spring和Eclipse的问题。我试过解决其他一些问题，但这个问题很奇怪，我解决不了。

我试图使用Spring和Eclipse构建一个web应用程序，但它在pom.xml文件上显示了一个错误。我已经附加了pom.xml文件。

<groupId>com.userFront</groupId>
<artifactId>userFront</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>

<name>UserFront</name>
<description>User Frontend for Online Banking Project</description>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.5.8.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
</parent>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <java.version>1.8</java.version>
</properties>

<dependencies>
    <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>

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
    <pluginManagement>
        <plugins>
            <!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
            <plugin>
                <groupId>org.eclipse.m2e</groupId>
                <artifactId>lifecycle-mapping</artifactId>
                <version>1.0.0</version>
                <configuration>
                    <lifecycleMappingMetadata>
                        <pluginExecutions>
                            <pluginExecution>
                                <pluginExecutionFilter>
                                    <groupId>
                                        org.apache.maven.plugins
                                    </groupId>
                                    <artifactId>
                                        maven-compiler-plugin
                                    </artifactId>
                                    <versionRange>
                                        [3.1,)
                                    </versionRange>
                                    <goals>
                                        <goal>testCompile</goal>
                                    </goals>
                                </pluginExecutionFilter>
                                <action>
                                    <ignore></ignore>
                                </action>
                            </pluginExecution>
                        </pluginExecutions>
                    </lifecycleMappingMetadata>
                </configuration>
            </plugin>
        </plugins>
    </pluginManagement>
</build>

Answer 1

右键单击您的项目。选择Maven==>Update Project==>Select（启用复选框）强制更新快照/发布。