我有 java 8,并将其升级到 java 11,但是当我设置新的 Spring boot 项目时,我在 pom.xml 中收到以下错误:
项目第一次创建时的pom.xml为:
<properties>
<java.version>1.8</java.version>
</properties>
然后自从我使用java 11,我变成了:
<properties>
<java.version>1.11</java.version>
</properties>
当我再次maven安装项目时,几乎许多红色标记消失了,但它仍然向我显示:(当我将鼠标指针靠近那个红色标记时,它没有向我显示任何错误消息的提示)
我的 pom.xml 看起来像这样:
<?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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.0.M4</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.ashwin.rws</groupId>
<artifactId>restful-web-services</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>restful-web-services</name>
<description>Restful web services</description>
<properties>
<java.version>1.11</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>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</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>
<exclusion>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-snapshots</id>
<name>Spring Snapshots</name>
<url>https://repo.spring.io/snapshot</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-snapshots</id>
<name>Spring Snapshots</name>
<url>https://repo.spring.io/snapshot</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</pluginRepository>
<pluginRepository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
</pluginRepository>
</pluginRepositories>
</project>
当我构建项目时,它向我展示了:
最佳答案
java 11的正确方法是
<properties>
<java.version>11</java.version>
</properties>
how-to-specify-java-11-version-in-spring-spring-boot-pom-xml
关于java - Spring Boot新建项目时pom.xml报错,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/57205462/