这个工程打包怎么报错呢？
<?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>2.7.0</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.imoc</groupId> <artifactId>Autothree</artifactId> <version>0.0.1-SNAPSHOT</version> <name>Autothree</name> <description>Autothree</description> <properties> <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> <dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>28.2-android</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.38</version> </dependency> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger2</artifactId> <version>2.9.2</version> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.16.14</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger-ui</artifactId> <version>2.9.2</version> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.0</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.12</version> </dependency> </dependencies> <repositories> <repository> <id>aliyun</id> <name>aliyun</name> <url>https://maven.aliyun.com/repository/public</url> </repository> </repositories> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <mainClass>com.imoc.autothree.AutothreeApplication</mainClass> </configuration> </plugin> </plugins> </build> </project>
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PS D:\java_code\Autothree> mvn clean package
[INFO] Scanning for projects...
[INFO]
[INFO] -------------------------< com.imoc:Autothree >-------------------------
[INFO] Building Autothree 0.0.1-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:3.2.0:clean (default-clean) @ Autothree ---
[INFO] Deleting D:\java_code\Autothree\target
[INFO]
[INFO] --- maven-resources-plugin:3.2.0:resources (default-resources) @ Autothree ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Using 'UTF-8' encoding to copy filtered properties files.
[INFO] Copying 1 resource
[INFO] Copying 3 resources
[INFO]
[INFO] --- maven-compiler-plugin:3.10.1:compile (default-compile) @ Autothree ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 4 source files to D:\java_code\Autothree\target\classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
[INFO] 1 error
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.626 s
[INFO] Finished at: 2022-05-23T15:09:36+08:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.10.1:compile (default-compile) on project Autothree: Compilation failure
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
[ERROR]
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
PS D:\java_code\Autothree>
正在回答
同学你好，1、可能是同学插件版本的问题，或依赖版本的原因，建议同学调整插件版本。
2、也有可能是源代码的问题，建议同学使用课程代码打包试一下。
祝学习愉快！
同学你好，1、建议同学设置jdk版本为1.8
1）在 Java Build Path的libraries中修改对应的JDK版本为1.8；
2）在Java Compiler 中修改对应的JDK版本为1.8；
3）在Project Facet中修改对应的JDK版本为1.8；
2、如果还存在问题，建议添加下方内容，设置版本号，并添加jdk版本试一下。如下所示：
<plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.1</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin>
祝学习愉快！
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