IDEA unable to find valid certification path to requested target。PKIX path building failed

转自： https://www.cnblogs.com/shwang/p/12090894.html

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1 报错

Could not transfer artifact org.apache.maven.plugins:maven-install-plugin:pom:2.4 from/to alimaven (https://maven.aliyun.com/repository/central): 
sun.security.validator.ValidatorException: 
PKIX path building failed: 
sun.security.provider.certpath.SunCertPathBuilderException: 
unable to find valid certification path to requested target

2 解决

添加参数
-Dmaven.wagon.http.ssl.insecure=true -Dmaven.wagon.http.ssl.allowall=true