尝试＃1

Question

我正在尝试接受所有证书，和/或接受自签名证书，使用 Apache HTTPClient版本4.5 （教程链接here）

我已经从SO上的一堆帖子中解决了这个问题。到目前为止，他们都没有工作过。

我一直收到此错误： Error while trying to execute request. javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake

Apache文档：

Apache v4.5 tutorial
SSL/TLS customization
Apache has a guide适用于版本3，但不适用于版本4.

相关的StackOverflow问题 - 以下是我尝试过的解决方案的一些链接：

请注意，在所有这些示例中，我还传递了我之前定义的cookie存储和代理凭据提供程序。这些都有效，我只想尝试添加SSL支持。

尝试＃1

使用SSLContextBuilder创建自己的ssl上下文，并信任所有使用TrustSelfSignedStrategy的自签名策略。

SSLContextBuilder sshbuilder = new SSLContextBuilder();
sshbuilder.loadTrustMaterial(null, new TrustSelfSignedStrategy());
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sshbuilder.build());

CloseableHttpClient httpclient = HttpClients.custom()
    .setDefaultCredentialsProvider(credsProvider)
    .setDefaultCookieStore(cookieStore)
    .setSSLSocketFactory(sslsf)
    .build();

结果：没有用。得到Error while trying to execute request. javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake

尝试＃2

与上述相同，但添加PoolingHttpClientConnectionManager

SSLContextBuilder builder = new SSLContextBuilder();
builder.loadTrustMaterial(null, new TrustSelfSignedStrategy());
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(builder.build(),SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
        .register("http", new PlainConnectionSocketFactory())
        .register("https", sslsf)
        .build();
PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager(registry);
cm.setMaxTotal(2000);//max connection

CloseableHttpClient httpclient = HttpClients.custom()
    .setDefaultCredentialsProvider(credsProvider)
    .setDefaultCookieStore(cookieStore)
    .setSSLSocketFactory(sslsf)
    .setConnectionManager(cm)
    .build();

结果：没有用。得到Error while trying to execute request. javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake

尝试＃3

只需通过覆盖TrustStrategy（不建议这样做）

来接受所有证书

SSLContextBuilder builder = new SSLContextBuilder();
builder.loadTrustMaterial(null, new TrustStrategy() {
    @Override
    public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
        return true;
    }
});
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(builder.build(),
    SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

CloseableHttpClient httpclient = HttpClients.custom()
    .setDefaultCredentialsProvider(credsProvider)
    .setDefaultCookieStore(cookieStore)
    .setSSLSocketFactory(sslsf)
    .build();

结果：没有用。得到Error while trying to execute request. javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake

尝试＃4

我从this answer找到了一些有用的东西：

从版本4.5开始，HttpClient禁用SSLv3协议版本默认

这是他给出的解决方案：

SSLContext sslcontext = SSLContexts.createSystemDefault();
SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(
        sslcontext, new String[] { "TLSv1", "SSLv3" }, null,
        SSLConnectionSocketFactory.getDefaultHostnameVerifier());

Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
        .register("http", PlainConnectionSocketFactory.INSTANCE)
        .register("https", sslConnectionSocketFactory)
        .build();
PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager(socketFactoryRegistry);

httpclient = HttpClients.custom()
    .setDefaultCredentialsProvider(credsProvider)
    .setDefaultCookieStore(cookieStore)
    .setSSLSocketFactory(sslConnectionSocketFactory)
    .setConnectionManager(cm)
    .build();

结果：没有用。得到Error while trying to execute request. javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake

Answer 1

我使用Apache HttpClient 4.5.3并且上述解决方案都没有帮助。我总是得到错误

PKIX路径构建失败

我在http://www.baeldung.com/httpclient-ssl

中找到了解决方案

这是我的代码：

try {
    SSLContext sslContext = new SSLContextBuilder()
            .loadTrustMaterial(null, (certificate, authType) -> true).build();
    httpClient = HttpClients.custom().setSSLContext(sslContext)
            .setSSLHostnameVerifier(new NoopHostnameVerifier())
            .build();
} catch (NoSuchAlgorithmException | KeyManagementException | KeyStoreException e) {
    e.printStackTrace();
}

Answer 2

通常，您不仅需要支持自签名证书，还需要调用多线程请求，因此请使用池连接管理器。以下是我的表现方式：

private CloseableHttpClient newClient() throws KeyManagementException, NoSuchAlgorithmException, KeyStoreException {
    SSLContext context = SSLContexts.custom()
            .loadTrustMaterial(TrustSelfSignedStrategy.INSTANCE)
            .build();

    Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory> create()
            .register("http", PlainConnectionSocketFactory.INSTANCE)
            .register("https", new SSLConnectionSocketFactory(context, NoopHostnameVerifier.INSTANCE))
            .build();

    PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(registry);

    return HttpClients.custom()
            .setConnectionManager(connectionManager)
            .build();
}

Answer 3

上述方法之一应该适用于自签名证书，但奇怪的是你在所有方法中都得到了同样的例外。

我觉得在SSL会话建立或握手协议期间，客户端或服务器都没有接受。

这里最好的解决方案是调试应用程序。

如果是tomcat，请在setenv.sh或setenv.bat文件中添加 -Djavax.net.debug = all ，然后重新启动服务器。

或者您可以关注this tutorial。

OP只需在连接到SSL时更改端口：

//For HTTPS
HttpHost httpstarget = new HttpHost("mysite.com", 443, "https");

//For HTTP
HttpHost httptarget = new HttpHost("mysite.com", 80, "http");

Answer 4

public static HttpClient newClient() {
        SSLContext sslcontext = null;
        try {
            sslcontext = SSLContexts.custom().loadTrustMaterial(null, new TrustSelfSignedStrategy()).build();
        } catch (NoSuchAlgorithmException | KeyManagementException | KeyStoreException e) {
            e.printStackTrace();
        }

        SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslcontext,
                (s, sslSession) -> true);

        return HttpClients.custom().setSSLSocketFactory(sslConnectionSocketFactory)
                .build();
    }

忽略Apache HTTPClient 4.5中的自签名证书

尝试＃1

尝试＃2

尝试＃3

尝试＃4

4 个答案: