compile：
E:\线上\maven\work\Hello>mvn clean compile
[INFO] Scanning for projects...
[INFO]
[INFO] -----------------------< com.junruo.maven:Hello >----------------------- [INFO] Building Hello 0.0.1-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ Hello --- [INFO] Deleting E:\线上\maven\work\Hello\target [INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ Hello ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ Hello ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 1 source file to E:\线上\maven\work\Hello\target\classes
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.393 s
[INFO] Finished at: 2020-03-23T10:27:28+08:00
[INFO] ------------------------------------------------------------------------
package:
E:\线上\maven\work\Hello>mvn clean package
[INFO] Scanning for projects... [INFO] [INFO] -----------------------< com.junruo.maven:Hello >----------------------- [INFO] Building Hello 0.0.1-SNAPSHOT [INFO] --------------------------------[ jar ]---------------------------------
Downloading from alimaven: http://maven.aliyun.com/nexus/content/groups/public/org/apache/maven/plugins/maven-surefire-plugin/2.12.4/maven-surefire-plugin-2.12.4.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.015 s
[INFO] Finished at: 2020-03-23T10:27:35+08:00
[INFO] ------------------------------------------------------------------------
[ERROR] Plugin org.apache.maven.plugins:maven-surefire-plugin:2.12.4 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-surefire-plugin:jar:2.12.4: Could not transfer artifact org.apache.maven.plugins:maven-surefire-plugin:pom:2.12.4 from/to alimaven (http://maven.aliyun.com/nexus/content/groups/public/): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target -> [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/PluginResolutionException
pom.xml
<?xml version="1.0" ?>
<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>
<groupId>com.junruo.maven</groupId>
<artifactId>Hello</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Hello</name>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11 </version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
这是什么问题
资源库的问题，你网络问题，资源库主备用地址配置问题，都有可能。 http://maven.aliyun.com/nexus/content/groups/public/org/apache/maven/plugins/maven-surefire-plugin/2.12.4/maven-surefire-plugin-2.12.4.pom下载不下来