访问http请求, webservice接口报错证书问题

javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
 

解决办法就是下载cacerts.jks证书然后在项目启动的时候设置如下property。cacerts.jks放到jdk的 /jre/lib/security 下面。

System.setProperty("javax.net.ssl.trustStore", "C:/Java/jdk1.8.0_31/jre/lib/security/cacerts.jks");

或者设置JVM参数

-Djavax.net.ssl.trustStore="C:/Java/jdk1.8.0_31/jre/lib/security/cacerts.jks"

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