Code
2024-01-11 06:00:05

sun.security.provider.certpath.SunCertPathBuilderException:无法找到请求目标的有效认证路径

我有一个类，将从https服务器下载文件。当我运行它时，它返回了很多错误。我的证书好像有问题。是否可以忽略客户机-服务器身份验证?如果有，怎么做?

package com.da;

import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.CharBuffer;
import java.util.concurrent.Future;

import org.apache.http.HttpResponse;
import org.apache.http.client.utils.URIUtils;
import org.apache.http.impl.nio.client.DefaultHttpAsyncClient;
import org.apache.http.nio.IOControl;
import org.apache.http.nio.client.HttpAsyncClient;
import org.apache.http.nio.client.methods.AsyncCharConsumer;
import org.apache.http.nio.client.methods.HttpAsyncGet;
import org.apache.http.nio.client.methods.HttpAsyncPost;

public class RSDDownloadFile {
    static FileOutputStream fos;

    public void DownloadFile(String URI, String Request) throws Exception
    {
        java.net.URI uri = URIUtils.createURI("https", "176.66.3.69:6443", -1, "download.aspx",
                "Lang=EN&AuthToken=package", null);
        System.out.println("URI Query: " + uri.toString());

        HttpAsyncClient httpclient = new DefaultHttpAsyncClient();
        httpclient.start();
        try {
            Future<Boolean> future = httpclient.execute(
                    new HttpAsyncGet(uri),
                    new ResponseCallback(), null);

            Boolean result = future.get();
            if (result != null && result.booleanValue()) {
                System.out.println("\nRequest successfully executed");
            } else {
                System.out.println("Request failed");
            }              
        } 
        catch(Exception e){
            System.out.println("[DownloadFile] Exception: " + e.getMessage());
        }
        finally {
            System.out.println("Shutting down");
            httpclient.shutdown();
        }
        System.out.println("Done");  

    }

    static class ResponseCallback extends AsyncCharConsumer<Boolean> {

        @Override
        protected void onResponseReceived(final HttpResponse response) {
             System.out.println("Response: " + response.getStatusLine());
             System.out.println("Header: " + response.toString());
             try {   
                 //if(response.getStatusLine().getStatusCode()==200)
                     fos = new FileOutputStream( "Response.html" );
             }catch(Exception e){
                 System.out.println("[onResponseReceived] Exception: " + e.getMessage());
             }
        }

        @Override
        protected void onCharReceived(final CharBuffer buf, final IOControl ioctrl) throws IOException {
            try
            {
                while (buf.hasRemaining()) 
                {
                    //System.out.print(buf.get());
                    fos.write(buf.get());
                }
            }catch(Exception e)
            {
                System.out.println("[onCharReceived] Exception: " + e.getMessage());
            }
        }

        @Override
        protected void onCleanup() {
            try
            {             
                if(fos!=null)
                    fos.close();
            }catch(Exception e){
                System.out.println("[onCleanup] Exception: " + e.getMessage());         
            }
             System.out.println("onCleanup()");
        }

        @Override
        protected Boolean buildResult() {
            return Boolean.TRUE;
        }

    }
}

错误:

URI Query: https://176.66.3.69:6443/download.aspx?Lang=EN&AuthToken=package
Aug 2, 2011 3:47:57 PM org.apache.http.impl.nio.client.NHttpClientProtocolHandler exception
SEVERE: I/O error: General SSLEngine problem
javax.net.ssl.SSLHandshakeException: General SSLEngine problem
    at com.sun.net.ssl.internal.ssl.Handshaker.checkThrown(Unknown Source)
    at com.sun.net.ssl.internal.ssl.SSLEngineImpl.checkTaskThrown(Unknown Source)
    at com.sun.net.ssl.internal.ssl.SSLEngineImpl.writeAppRecord(Unknown Source)
    at com.sun.net.ssl.internal.ssl.SSLEngineImpl.wrap(Unknown Source)
    at javax.net.ssl.SSLEngine.wrap(Unknown Source)
    at org.apache.http.impl.nio.reactor.SSLIOSession.doHandshake(SSLIOSession.java:154)
    at org.apache.http.impl.nio.reactor.SSLIOSession.isAppInputReady(SSLIOSession.java:276)
    at org.apache.http.impl.nio.client.InternalClientEventDispatch.inputReady(InternalClientEventDispatch.java:79)
    at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:161)
    at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:335)
    at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:315)
    at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:275)
    at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)
    at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:542)
    at java.lang.Thread.run(Unknown Source)
Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
    at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Unknown Source)
    at com.sun.net.ssl.internal.ssl.SSLEngineImpl.fatal(Unknown Source)
    at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Unknown Source)
    at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Unknown Source)
    at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(Unknown Source)
    at com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(Unknown Source)
    at com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Unknown Source)
    at com.sun.net.ssl.internal.ssl.Handshaker$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.net.ssl.internal.ssl.Handshaker$DelegatedTask.run(Unknown Source)
    at org.apache.http.impl.nio.reactor.SSLIOSession.doHandshake(SSLIOSession.java:180)
    ... 9 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 com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
    at com.sun.net.ssl.internal.ssl.JsseX509TrustManager.checkServerTrusted(Unknown Source)
    ... 16 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)
    ... 21 more
onCleanup()

[DownloadFile] Exception: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
Shutting down
Done

当前回答

仅适用于Windows，请遵循以下步骤:

In Chrome go to settings. In Settings click show advance settings. Under HTTPS/SSL Click on Manage Certificates. Export Your Certificate. In Windows searchs (Pressing windows key on keyboard) type java. Select (Configure Java) Option Which will open Java Control Panel Select Security tab in Java Control Panel Select Manage Certificates Click Import Under (User) tab selected and certificate type as (Trusted Certificates) Click import button and browse to downloaded certificate and import it.

2016-11-18 11:07:18

其他回答

就像最初的问题一样——如何忽略证书错误，这里为那些使用SpringBoot和RestTemplate的人提供了解决方案

@Service
public class SomeService {

    private final RestTemplate restTemplate;

    private final ObjectMapper objectMapper;    

    private static HttpComponentsClientHttpRequestFactory createRequestFactory() {
        try {
            SSLContextBuilder sslContext = new SSLContextBuilder();
            sslContext.loadTrustMaterial(null, new TrustAllStrategy());
            CloseableHttpClient client = HttpClients.custom().setSSLContext(sslContext.build()).setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE).build();
            HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory();
            requestFactory.setHttpClient(client);
            return requestFactory;
        } catch (KeyManagementException | KeyStoreException | NoSuchAlgorithmException var3) {
            throw new IllegalStateException("Couldn't create HTTP Request factory ignore SSL cert validity: ", var3);
        }
    }

    @Autowired
    public SomeService(RestTemplate restTemplate, ObjectMapper objectMapper) {
        this.objectMapper = objectMapper;
        this.dimetorURL = dimetorURL;
        restTemplate.setRequestFactory(createRequestFactory());
    }


    public ResponseEntity<ResponseObject> sendRequest(RequestObject requestObject) {
        //...
        return restTemplate.exchange(url, HttpMethod.GET, ResponseObject.class);
        //...
    }
}
2021-01-25 12:36:10

更新:重启的帮助是巧合(我希望如此，万岁!)问题的真正原因是:当Gradle被指示使用特定的密钥存储库时，该密钥存储库还必须包含所有正式的根证书。否则，它不能从常规存储库访问库。我要做的是:

导入自签名证书:

keytool -import -trustcacerts -alias myselfsignedcert -file /Users/me/Desktop/selfsignedcert.crt -keystore ./privateKeystore.jks

添加官方根证书:

keytool -importkeystore -srckeystore <java-home>/lib/security/cacerts -destkeystore ./privateKeystore.jks

也许Gradle守护进程也在其中。如果事情开始变得暗淡，可能值得杀死所有带有./gradlew——status的运行守护进程。

最初的发布:

我知道没人会相信的。不过，如果其他方法都失败了，不妨试一试: 重启Mac后，这个问题就消失了。叽阿。

背景: ./gradlew jar一直告诉我“无法找到请求目标的有效认证路径”

我只能使用自签名证书，从浏览器保存，导入privateKeystore.jks中。然后指导Gradle使用privateKeystore.jks:

org.gradle.jvmargs=-Djavax.net.debug=SSL -Djavax.net.ssl.trustStore="/Users/me/IntelliJ/myproject/privateKeystore.jks"  -Djavax.net.ssl.trustStorePassword=changeit

如前所述，这仅在重新启动后有效。

2017-02-09 13:32:12

这是我在macOS上使用的方法。将server-name和server-port替换为您自己的。

在终端上运行这两个命令。

从远程服务器下载证书

openssl x509 -in <(openssl s_client -connect server-name:server-port -prexit 2>/dev/null) -out ~/server-name.crt

将证书导入Java密钥存储库

sudo keytool -importcert -file ~/server-name.crt -alias server-name -keystore $JAVA_HOME/jre/lib/security/cacerts -storepass changeit

重新启动应用程序，certs错误就会消失!

2022-04-05 19:26:29

这也可能由使用使用SHA2签名的Java 7的GoDaddy证书引起。

Chrome和所有其他浏览器都开始弃用使用SHA1签名的SSL证书，因为它不那么安全。

有关该问题的更多信息可以在这里找到，以及如果需要，如何在您的服务器上解决它。

2015-04-16 17:14:43

对于那些喜欢Debian和预打包Java的人:

sudo mkdir /usr/share/ca-certificates/test/  # don't mess with other certs
sudo cp ~/tmp/test.loc.crt /usr/share/ca-certificates/test/
sudo dpkg-reconfigure --force ca-certificates  # check your cert in curses GUI!
sudo update-ca-certificates --fresh --verbose

不要忘记检查/etc/default/cacerts:

# enable/disable updates of the keystore /etc/ssl/certs/java/cacerts
cacerts_updates=yes

删除证书:

sudo rm /usr/share/ca-certificates/test/test.loc.crt
sudo rm /etc/ssl/certs/java/cacerts
sudo update-ca-certificates --fresh --verbose
2014-07-18 07:29:02

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