“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

在我的案例中，我从Android Studio终端运行以下命令解决了这个问题

。/ gradlew组装

从那以后，项目顺利运行。

2022-03-02 21:48:20

这不是twitter特有的答案，但这是在搜索此错误时出现的问题。如果您的系统在连接到一个在web浏览器中查看时似乎具有有效证书的网站时接收到此错误，这可能意味着该网站具有不完整的证书链。

简单总结一下这个问题:证书颁发机构不会使用他们的根证书对任何旧证书进行签名。相反，它们(通常)签署也设置了证书颁发机构标志的中间证书(也就是说，允许签署证书)。然后，当您从CA购买证书时，他们将使用这些中间证书之一签署您的CSR。

您的Java信任存储区很可能只有根证书，而没有中间证书。

错误配置的站点可能只返回已签名的证书。问题:该站点使用的中间证书不在您的信任存储区中。浏览器将通过下载或使用缓存的中间证书来处理这个问题;这最大限度地提高了网站的兼容性。然而，Java和像OpenSSL这样的工具不会。这会导致问题中的错误。

您可以通过使用Qualys SSL测试来验证这种怀疑。如果你在网站上搜索，上面写着

此服务器的证书链不完整。

那就证实了这一点。您还可以通过查看认证路径并查看文本Extra Download来了解这一点。

How to fix it: the server administrator needs to configure the web server to return the intermediate certificates as well. For Comodo, for example, this is where the .ca-bundle file comes in handy. For example, in an Apache configuration with mod_ssl, you'd use the SSLCertificateChainFile configuration setting. For nginx, you need to concatenate the intermediate certificates and the signed certificate and use that in the SSL cert configuration. You can find more by searching for "incomplete certificate chain" online.

2017-11-30 00:13:45

我的UI方法:

从这里下载密钥库资源管理器打开$ JAVA_HOME / jre / lib /安全/除输入PW: changeit(可以在Mac上changeme) 导入.crt文件

CMD-Line:

Keytool -importcert -file jetty。crt -alias jetty -keystore $JAVA_HOME/jre/lib/security/cacerts . crt -alias jetty -keystore $JAVA_HOME/jre/lib/security/cacerts . crt 输入PW: changeit(可以在Mac上changeme)

2016-11-22 14:06:23

1. 检查证书

尝试在浏览器中加载目标URL并查看网站的证书(通常可以通过带有锁标志的图标访问)。它在浏览器地址栏的左边或右边)，无论它是否过期或由于其他原因不受信任。

2. 安装最新版本的JRE和JDK

新版本通常附带一组更新后的受信任证书。

如果可能的话，卸载旧版本。这将使错误配置错误显式地出现。

3.检查您的配置:

检查JAVA_HOME环境变量指向的位置。检查您使用哪个java版本来运行程序。在IntelliJ中检查: 文件->项目结构…—>项目设置—>项目—>项目SDK: 文件->项目结构…—>平台设置—>个sdk

4. 从新的Java版本复制整个密钥存储库

如果您使用的JDK不是最新可用的JDK，请尝试将%JAVA_HOME%/jre/lib/security/cacerts文件替换为最新安装的jre中的新文件(先做备份)，正如@jeremy-goodell在他的回答中建议的那样

5. 向您的密钥存储库中添加证书

如果以上都不能解决您的问题，请使用keytool将证书保存到Java的密钥存储库:

keytool -trustcacerts -keystore "%JAVA_HOME%jre\lib\security\cacerts" -storepass changeit -importcert -alias <alias_name> -file <path_to_crt_file>

正如@MagGGG在他的回答中建议的那样，可以从浏览器中获得带有证书的文件。

注1:您可能需要对链中的每个证书重复此操作，直到站点的证书。从根根开始。

注意2:<alias_name>在存储中的键中应该是唯一的，否则keytool将显示错误。

要获取存储中所有证书的列表，您可以运行:

keytool -list -trustcacerts -keystore "%JAVA_HOME%jre\lib\security\cacerts" -storepass changeit

如果出现问题，这将帮助您从存储中删除证书:

keytool -delete -alias <alias_name> -keystore "%JAVA_HOME%jre\lib\security\cacerts" -storepass changeit

2017-09-13 11:10:26

问题背景:

当我试图在我的项目中运行mvn清洁安装并通过Netbeans IDE清洁和构建选项时，我得到了以下错误。此问题是由于通过NET beans IDE/通过命令提示符下载时证书不可用，但可以通过浏览器下载文件。

错误:

Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not transfer artifact com.java.project:product:jar:1.0.32 from/to repo-local (https://url/local-repo): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

解决方法:

1. 下载有关网址的证书:

Launch IE by "run as adminstrator" (otherwise, we will not be able to download the certificate) Enter the url in IE-> https://url/local-repo (In my case this url had a untrusted certificate.) Download the certificate by clicking on Certificate error -> view certificate Select Details tab -> copy to file -> next -> select "DER encoded binary X.509 (.CER) save the certificate in some location, example : c:/user/sheldon/desktop/product.cer Congrats! you have successfully downloaded the certificate for the site

2. 现在安装密钥存储库以修复该问题。

运行keytool命令将下载的密钥存储库附加到已存在的证书文件。命令:jdk (JAVA_HOME) bin文件夹下的如下命令。

C:\Program Files\Java\ jdk1.8.0_141\jre\bin>keytool -importcert -file .使用实例 “C: / user /谢耳朵/桌面/产品。-alias product -keystore “C: /程序文件/ Java / jdk1.8.0_141 / jre / lib /安全/除”。

系统将提示您输入密码。输入keystore密码: 再次输入“changeit”，输入“信任此证书?”(没有):“,输入 “是的”

示例命令行命令/输出:

keytool -importcert -file "C:/Users/sheldon/Desktop/product.cer" -alias product -keystore "C:/Program iles/Java/jdk1.8.0_141/jre/lib/security/cacerts"
Enter keystore password:
Trust this certificate? [no]:  yes
Certificate was added to keystore

Contgrats !现在你应该删除“PKIX路径构建失败:sun.security.provider.certpath”。在Netbeans IDE中出现SunCertPathBuilderException错误。

2017-11-29 09:01:28

“PKIX路径构建失败”和“无法找到请求目标的有效认证路径”

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