Problems with packaging when the project adds test classes

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.221.:test (default-test) on project handset: Unable to generate classpath: org.apache.maven.artifact.resolver.MultipleArtifactsNotFoundException: Missing:
[ERROR] ----------
[ERROR] 1) org.apache.maven.surefire:surefire-junit4:jar:2.221.
[ERROR] 
[ERROR] Try downloading the file manually from the project website.
[ERROR] 
[ERROR] Then, install it using the command:
[ERROR] mvn install:install-file -DgroupId=org.apache.maven.surefire -DartifactId=surefire-junit4 -Dversion=2.221. -Dpackaging=jar -Dfile=/path/to/file
[ERROR] 
[ERROR] Alternatively, if you host your own repository you can deploy the file there:
[ERROR] mvn deploy:deploy-file -DgroupId=org.apache.maven.surefire -DartifactId=surefire-junit4 -Dversion=2.221. -Dpackaging=jar -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]
[ERROR] 
[ERROR] Path to dependency:
[ERROR] 1) dummy:dummy:jar:1.0
[ERROR] 2) org.apache.maven.surefire:surefire-junit4:jar:2.221.
[ERROR] 
[ERROR] ----------
[ERROR] 1 required artifact is missing.
[ERROR] 
[ERROR] for artifact:
[ERROR] dummy:dummy:jar:1.0
[ERROR] 
[ERROR] from the specified remote repositories:
[ERROR] alimaven (http://maven.aliyun.com/nexus/content/groups/public/, releases=true, snapshots=false)
[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/MojoExecutionException
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Process finished with exit code 1

Neither JDK issue nor version issue, skip testing when referring to Maven packaging according to article tips

Add the configuration at the bottom of pom.xml,

(I think this is not the final solution, just an escape method, if the premise needs to pass the test when building, how to solve it, if someone solves it, I hope to reply, thank you)

<build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId>  </plugin> <! Plugins </groupId> <artifactId> Maven-surefire-plugin </artifactId> <version>2.221.</version>
			<configuration>
				<skipTests>true</skipTests> </configuration> </plugin> <! </plugins> </build>Copy the code