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2023-05-19 07:00:09

“PKIX路径构建失败”和“无法找到请求目标的有效认证路径”

我试图使用twitter4j库为我的java项目获得推文，它在封面下使用java.net.HttpURLConnection(可以在堆栈跟踪中看到)。在我第一次运行时，我得到了一个关于证书sun.security.validator.ValidatorException和sun.security.provider.certpath.SunCertPathBuilderException的错误。然后我添加了twitter证书:

C:\Program Files\Java\jdk1.7.0_45\jre\lib\security>keytool -importcert -trustcacerts -file PathToCert -alias ca_alias -keystore "C:\Program Files\Java\jdk1.7.0_45\jre\lib\security\cacerts"

但是没有成功。以下是获取推文的流程:

public static void main(String[] args) throws TwitterException {
    ConfigurationBuilder cb = new ConfigurationBuilder();
    cb.setDebugEnabled(true)
        .setOAuthConsumerKey("myConsumerKey")
        .setOAuthConsumerSecret("myConsumerSecret")
        .setOAuthAccessToken("myAccessToken")
        .setOAuthAccessTokenSecret("myAccessTokenSecret");
    
    TwitterFactory tf = new TwitterFactory(cb.build());
    Twitter twitter = tf.getInstance();
    
    try {
        Query query = new Query("iphone");
        QueryResult result;
        result = twitter.search(query);
        System.out.println("Total amount of tweets: " + result.getTweets().size());
        List<Status> tweets = result.getTweets();
        
        for (Status tweet : tweets) {
            System.out.println("@" + tweet.getUser().getScreenName() + " : " + tweet.getText());
        }
    } catch (TwitterException te) {
        te.printStackTrace();
        System.out.println("Failed to search tweets: " + te.getMessage());
    }

这里是错误:

sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
Relevant discussions can be found on the Internet at:
    http://www.google.co.jp/search?q=d35baff5 or
    http://www.google.co.jp/search?q=1446302e
TwitterException{exceptionCode=[d35baff5-1446302e 43208640-747fd158 43208640-747fd158 43208640-747fd158], statusCode=-1, message=null, code=-1, retryAfter=-1, rateLimitStatus=null, version=3.0.5}
    at twitter4j.internal.http.HttpClientImpl.request(HttpClientImpl.java:177)
    at twitter4j.internal.http.HttpClientWrapper.request(HttpClientWrapper.java:61)
    at twitter4j.internal.http.HttpClientWrapper.get(HttpClientWrapper.java:81)
    at twitter4j.TwitterImpl.get(TwitterImpl.java:1929)
    at twitter4j.TwitterImpl.search(TwitterImpl.java:306)
    at jku.cc.servlets.TweetsAnalyzer.main(TweetsAnalyzer.java:38)
Caused by: 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(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
    at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
    at sun.security.ssl.Handshaker.processLoop(Unknown Source)
    at sun.security.ssl.Handshaker.process_record(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
    at twitter4j.internal.http.HttpResponseImpl.<init>(HttpResponseImpl.java:34)
    at twitter4j.internal.http.HttpClientImpl.request(HttpClientImpl.java:141)
    ... 5 more
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(Unknown Source)
    at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
    at sun.security.validator.Validator.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    ... 20 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
    at java.security.cert.CertPathBuilder.build(Unknown Source)
    ... 26 more
Failed to search tweets: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

当前回答

我使用我自己的信任存储，而不是JRE，通过传递arg -Djavax.net.ssl.trustStore=

不管信任库中的certs如何，我都得到这个错误。对我来说，问题是在参数行上传递的属性的顺序。 当我把-Djavax.net.ssl.trustStore=& -Djavax.net.ssl.trustStorePassword=之前-Dspring.config。Location = & -jar args我能够通过https成功调用我的rest调用。

2019-02-18 08:16:50

其他回答

如果你使用的是ubuntu/linux系统，在终端运行下面的命令。

cd /usr/local/share/ca-certificates

Cp /文件位置/----。crt。(拷贝CRT文件到/usr/local/share/ca-certificates)

sudo update-ca-certificates

2022-09-22 14:50:18

在花了好几个小时试图构建证书文件以使我的Java 6安装能够与新的twitter证书一起工作之后，我终于无意中发现了一个隐藏在留言板上的评论中令人难以置信的简单解决方案。只需从Java 7安装中复制cacerts文件，并覆盖Java 6安装中的cacerts文件。可能最好先备份cacerts文件，但随后只需复制新文件，然后嘣!它就是有用。

注意，我实际上复制了一个Windows cacerts文件到Linux安装中，它工作得很好。

该文件位于旧的和新的Java jdk安装中的jre/lib/security/cacerts中。

希望这能帮别人省下几个小时的麻烦。

2014-02-02 05:55:14

受信任的证书存储在密钥工具中。当没有在关键工具中添加任何网站受信任证书时，会发生此错误。除上述答案外，请参考

面对PKIX路径构建失败的异常硒断链接脚本

2022-10-04 05:22:29

我留下一些小费。

使用- dsll .debug=true检查SSL。 检查您是否正在创建隧道或试图忽略它

SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, (x509CertChain, authType) -> true).build();
            httpClient = HttpClientBuilder.create()
                    .setSSLContext(sslContext)
                    .setConnectionManager(new PoolingHttpClientConnectionManager(RegistryBuilder.<ConnectionSocketFactory>create()
                            .register("http", PlainConnectionSocketFactory.INSTANCE)
                            .register("https", new SSLConnectionSocketFactory(sslContext, NoopHostnameVerifier.INSTANCE))
                            .build()
                    )).build();

httpClient.execute(requisicao)
2021-07-28 16:59:50

在浏览器中进入URL:

点击HTTPS证书链(URL地址旁边的锁图标)。点击“更多信息”>“安全”>“显示证书“>”详细信息“>”导出。拾取名称并选择文件类型example.cer chrome -点击网站图标左侧地址栏，选择“证书”->“详细信息”->“导出”并保存为“Der-encoded binary, single Certificate”格式。

现在您有了带有密钥存储库的文件，并且必须将其添加到JVM中。确定cacerts文件的位置，例如。 C:\Program Files (x86)\Java\ jre1.6.0_22\lib\security\cacerts。 接下来导入示例。在命令行中将Cer文件转换为cacerts(可能需要管理员命令提示符):

"C:\Program Files (x86)\Java\jre1.6.0_22\lib\security\cacerts" -file example.cer

您将被要求输入密码，默认为changeit

重新启动JVM/PC。

来源: http://magicmonster.com/kb/prg/java/ssl/pkix_path_building_failed.html

2016-04-05 13:00:49

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