[英]Maven won't download because PKIX error from Maven Central
我已经在机器上使用Maven正常工作了几个月,然后我开始从Maven Central收到PKIX错误,这使我无法下载适当的依赖项。
> mvn compile
[INFO] Scanning for projects...
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-starter-parent/2.1.7.RELEASE/spring-boot-starter-parent-2.1.7.RELEASE.pom
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.test:testproject:0.0.1-SNAPSHOT: Could not transfer artifact org.springframework.boot:spring-boot-starter-parent:pom:2.1.7.RELEASE from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target and 'parent.relativePath' points at no local POM @ line 5, column 10
来自Maven的完整调试输出似乎没有提供任何其他信息。
我使用Spring Initializr上的生成器创建了pom,没有任何其他选项或依赖项。
<?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>2.1.7.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.test</groupId>
<artifactId>testproject</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>test</name>
<description>Demo project for Spring Boot</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-tomcat</artifactId>
<scope>provided</scope>
</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>
</build>
</project>
是什么提供了暂时的解决方法:
尽管这些变通办法都不是必需的。
什么似乎不起作用:
Maven home: /usr/local/Cellar/maven/3.6.1/libexec
Java version: 1.8.0_201, vendor: Oracle Corporation, runtime: /Library/Java/JavaVirtualMachines/jdk1.8.0_201.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.14.6", arch: "x86_64", family: "mac"
更新资料
使用-Djavax.net.ssl.trustStore=$JAVA_HOME/jre/lib/security/cacerts
手动指定信任-Djavax.net.ssl.trustStore=$JAVA_HOME/jre/lib/security/cacerts
似乎可以解决此问题。 我不确定为什么Maven在默认情况下找不到该文件以及如何修复它。
将您的settings.xml配置为使用Maven中央存储库使用http而不是https应该会有所帮助
<settings>
.
.
.
<mirrors>
<mirror>
<id>central-no-ssl</id>
<name>Central without ssl</name>
<url>http://repo.maven.apache.org/maven2</url>
<mirrorOf>central</mirrorOf>
</mirror>
</mirrors>
.
.
.
</settings>
如果使用代理,则已在maven设置xml中添加了配置
<settings>
.
.
<proxies>
<proxy>
<id>mycompany</id>
<active>true</active>
<protocol>https</protocol>
<host>10.203.13.45</host>
<port>8080</port>
<username>COMPANY\USER</username>
<password>PASSWORD</password>
<nonProxyHosts>127.0.0.1|localhost</nonProxyHosts>
</proxy>
<!-- -->
</proxies>
.
</settings>
在Mac上通过Homebrew安装的Maven 3.6.1或Oracle Java 8_221似乎存在问题。 它似乎没有正确选择默认信任库(证书)。 手动指定信任库将起作用。
为了解决我的问题,我只是将MVN_HOME更改为3.6.0的旧版本(97c98ec64a1fdfee7767ce5ffb20918da4f719f3; 2018-10-24T14:41:47-04:00)
并安装了AdoptOpenJDK8,一切都很好。
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