无法找到所请求目标的有效证书路径 - java [英] Unable to find valid certification path to requested target - java

问题描述

我正在尝试使用HttpClient 对象。它适用于我们通常使用的网站（如谷歌）。但是有一个网站，当我尝试连接时，我的程序会出现此错误..

I'm trying to connect to a website using a HttpClient object. It works fine for websites we normally use(Like google). But there is a web site, when I try to connect, my program gives this error..

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
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1917)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:301)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:295)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1369)
....................
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:387)
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292)
at sun.security.validator.Validator.validate(Validator.java:260)
...............

Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:145)
at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:131)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:382)
... 27 more

当我尝试从浏览器转到此网址时，我必须点击仍然继续。否则浏览器将无法加载页面。它会出现隐私错误，说您的连接不是私密的。

When I try to go to this url from the browser, I have to click continue anyway. Otherwise browser will not load the page. It gives a privacy error saying your connection is not private.

如何在我的java中解决此问题应用..？我希望我的软件能够连接到该网址，没有任何错误或没有要求任何确认。

How can I overcome this problem in my java application..? I want my software to connect with that url without any error or without asking any confirmation.

推荐答案

当我使用了 TrustSelfSignedStrategy 对象作为信任材料 HttpClient 。

Problem was solved when I used a TrustSelfSignedStrategy object as the Trust material to HttpClient.

        httpClient = HttpClients.custom()
            .setSSLSocketFactory(new SSLConnectionSocketFactory(SSLContexts.custom()
                    .loadTrustMaterial(null, new TrustSelfSignedStrategy())
                    .build()
                )
            ).build();

我使用的代码如上所示..

The code I used is shown above..

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