How to ignore SSL certificate errors in Apache HttpClient 4 0

Question

How do I bypass invalid SSL certificate errors with Apache HttpClient 4 0

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In extension to ZZ Coder s answer it will be nice to override the hostnameverifier          SSLSocketFactory sf   new SSLSocketFactory  sslContext   sf setHostnameVerifier new X509HostnameVerifier         public boolean verify String hostname  SSLSession session            return true             public void verify String host  String   cns  String   subjectAlts  throws SSLException              public void verify String host  X509Certificate cert  throws SSLException              public void verify String host  SSLSocket ssl  throws IOException

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This is how I did it -    Create my own MockSSLSocketFactory  Class attached below  Use it to initialise DefaultHttpClient  Proxy settings need to be provided if a proxy is used       Initialising DefaultHTTPClient -   SchemeRegistry schemeRegistry   new SchemeRegistry        schemeRegistry register new Scheme  http   80  PlainSocketFactory getSocketFactory          schemeRegistry register new Scheme  https   443  new MockSSLSocketFactory          ClientConnectionManager cm   new SingleClientConnManager schemeRegistry        DefaultHttpClient httpclient   new DefaultHttpClient cm       Mock SSL Factory -   public class MockSSLSocketFactory extends SSLSocketFactory    public MockSSLSocketFactory   throws NoSuchAlgorithmException  KeyManagementException  KeyStoreException  UnrecoverableKeyException       super trustStrategy  hostnameVerifier      private static final X509HostnameVerifier hostnameVerifier   new X509HostnameVerifier          Override     public void verify String host  SSLSocket ssl  throws IOException              Do nothing             Override     public void verify String host  X509Certificate cert  throws SSLException             Do nothing             Override     public void verify String host  String   cns  String   subjectAlts  throws SSLException             Do nothing             Override     public boolean verify String s  SSLSession sslSession            return true             private static final TrustStrategy trustStrategy   new TrustStrategy          Override     public boolean isTrusted X509Certificate   chain  String authType  throws CertificateException           return true                 If behind a proxy  need to do this -   HttpParams params   new BasicHttpParams        params setParameter AuthPNames PROXY AUTH PREF  getClientAuthPrefs      DefaultHttpClient httpclient   new DefaultHttpClient cm  params    httpclient getCredentialsProvider   setCredentials                          new AuthScope proxyHost  proxyPort                           new UsernamePasswordCredentials proxyUser  proxyPass

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If all you want to do is get rid of invalid hostname errors you can just do   HttpClient httpClient   new DefaultHttpClient    SSLSocketFactory sf    SSLSocketFactory httpClient getConnectionManager        getSchemeRegistry   getScheme  https   getSocketFactory    sf setHostnameVerifier new AllowAllHostnameVerifier

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All of the other answers were either deprecated or didn t work for HttpClient 4 3  Here is a way to allow all hostnames when building an http client  CloseableHttpClient httpClient   HttpClients      custom        setHostnameVerifier new AllowAllHostnameVerifier         build     Or if you are using version 4 4 or later  the updated call looks like this  CloseableHttpClient httpClient   HttpClients      custom        setSSLHostnameVerifier NoopHostnameVerifier INSTANCE       build

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Tested on 4 5 4               SSLContext sslContext   new SSLContextBuilder                        loadTrustMaterial null   TrustStrategy   arg0  arg1  - gt  true  build                 CloseableHttpClient httpClient   HttpClients                      custom                        setSSLHostnameVerifier NoopHostnameVerifier INSTANCE                       setSSLContext sslContext                       build

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If you are using Apache httpClient 4 5 x then try this   public static void main String    args          try  CloseableHttpClient httpclient   createAcceptSelfSignedCertificateClient              HttpGet httpget   new HttpGet  https   example com            System out println  Executing request     httpget getRequestLine              httpclient execute httpget           System out println  ----------------------------------------          catch  NoSuchAlgorithmException   KeyStoreException   KeyManagementException   IOException e            throw new RuntimeException e            private static CloseableHttpClient createAcceptSelfSignedCertificateClient           throws KeyManagementException  NoSuchAlgorithmException  KeyStoreException           use the TrustSelfSignedStrategy to allow Self Signed Certificates     SSLContext sslContext   SSLContextBuilder              create                loadTrustMaterial new TrustSelfSignedStrategy                 build            we can optionally disable hostname verification          if you don t want to further weaken the security  you don t have to include this      HostnameVerifier allowAllHosts   new NoopHostnameVerifier            create an SSL Socket Factory to use the SSLContext with the trust self signed certificate strategy        and allow all hosts verifier      SSLConnectionSocketFactory connectionFactory   new SSLConnectionSocketFactory sslContext  allowAllHosts           finally create the HttpClient using HttpClient factory methods and assign the ssl socket factory     return HttpClients              custom                setSSLSocketFactory connectionFactory               build

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For Apache HttpClient 4 4     HttpClientBuilder b   HttpClientBuilder create     SSLContext sslContext   new SSLContextBuilder   loadTrustMaterial null  new TrustStrategy         public boolean isTrusted X509Certificate   arg0  String arg1  throws CertificateException           return true           build    b setSslcontext  sslContext       or SSLConnectionSocketFactory getDefaultHostnameVerifier    if you don t want to weaken HostnameVerifier hostnameVerifier   SSLConnectionSocketFactory ALLOW ALL HOSTNAME VERIFIER   SSLConnectionSocketFactory sslSocketFactory   new SSLConnectionSocketFactory sslContext  hostnameVerifier   Registry lt ConnectionSocketFactory gt  socketFactoryRegistry   RegistryBuilder  lt ConnectionSocketFactory gt create            register  http   PlainConnectionSocketFactory getSocketFactory             register  https   sslSocketFactory           build        allows multi-threaded use PoolingHttpClientConnectionManager connMgr   new PoolingHttpClientConnectionManager  socketFactoryRegistry   b setConnectionManager  connMgr    HttpClient client   b build      This is extracted from our actual working implementation    The other answers are popular  but for HttpClient 4 4 they don t work  I spent hours trying  amp  exhausting possibilities  but there seems to have been extremely major API change  amp  relocation at 4 4   See also a slightly fuller explanation at  http   literatejava com networks ignore-ssl-certificate-errors-apache-httpclient-4-4   Hope that helps

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For the record  tested with httpclient 4 3 6 and compatible with Executor of fluent api   CloseableHttpClient httpClient   HttpClients custom                        setHostnameVerifier new AllowAllHostnameVerifier                         setSslcontext new SSLContextBuilder   loadTrustMaterial null  new TrustStrategy                                                 public boolean isTrusted X509Certificate   arg0  String arg1  throws CertificateException                                                       return true                                                   build    build

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Just for the record  there is a much simpler way to accomplish the same with HttpClient 4 1      SSLSocketFactory sslsf   new SSLSocketFactory new TrustStrategy              public boolean isTrusted                  final X509Certificate   chain  String authType  throws CertificateException                  Oh  I am easy                return true

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DefaultHttpClient httpclient   new DefaultHttpClient         SSLContext sslContext      try           sslContext   SSLContext getInstance  SSL                set up a TrustManager that trusts everything         try               sslContext init null                      new TrustManager     new X509TrustManager                             public X509Certificate   getAcceptedIssuers                                 log debug  getAcceptedIssuers                                              return null                                                     public void checkClientTrusted                                  X509Certificate   certs  String authType                                log debug  checkClientTrusted                                                                     public void checkServerTrusted                                  X509Certificate   certs  String authType                                log debug  checkServerTrusted                                                                     new SecureRandom               catch  KeyManagementException e                       SSLSocketFactory ssf   new SSLSocketFactory sslContext SSLSocketFactory ALLOW ALL HOSTNAME VERIFIER            ClientConnectionManager ccm   this httpclient getConnectionManager             SchemeRegistry sr   ccm getSchemeRegistry             sr register new Scheme  https   443  ssf                      catch  Exception e            log error e getMessage   e

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Just had to do this with the newer HttpClient 4 5 and it seems like they ve deprecated a few things since 4 4 so here s the snippet that works for me and uses the most recent API   final SSLContext sslContext   new SSLContextBuilder            loadTrustMaterial null   x509CertChain  authType  - gt  true           build     return HttpClientBuilder create            setSSLContext sslContext           setConnectionManager                  new PoolingHttpClientConnectionManager                          RegistryBuilder  lt ConnectionSocketFactory gt create                                    register  http   PlainConnectionSocketFactory INSTANCE                                   register  https   new SSLConnectionSocketFactory sslContext                                          NoopHostnameVerifier INSTANCE                                    build                               build

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fwiw  an example using  RestEasy  implementation of JAX-RS 2 x to build a special  trust all  client         import java io IOException      import java net MalformedURLException      import java security GeneralSecurityException      import java security KeyManagementException      import java security KeyStoreException      import java security NoSuchAlgorithmException      import java security cert CertificateException      import java security cert X509Certificate      import java util ArrayList      import java util Arrays      import javax ejb Stateless      import javax net ssl SSLContext      import javax ws rs GET      import javax ws rs Path      import javax ws rs Produces      import org apache logging log4j LogManager      import org apache logging log4j Logger      import javax ws rs client Entity      import javax ws rs core MediaType      import javax ws rs core Response      import org apache http config Registry      import org apache http config RegistryBuilder      import org apache http conn HttpClientConnectionManager      import org apache http conn ssl TrustStrategy      import org jboss resteasy client jaxrs ResteasyClient      import org jboss resteasy client jaxrs ResteasyClientBuilder      import org jboss resteasy client jaxrs ResteasyWebTarget      import org jboss resteasy client jaxrs engines ApacheHttpClient4Engine      import org apache http impl conn BasicHttpClientConnectionManager      import org apache http conn socket ConnectionSocketFactory      import org apache http conn ssl NoopHostnameVerifier      import org apache http conn ssl SSLConnectionSocketFactory      import org apache http impl client CloseableHttpClient      import org apache http impl client HttpClientBuilder      import org apache http ssl SSLContexts        Stateless      Path   postservice       public class PostService            private static final Logger LOG   LogManager getLogger  PostService             public PostService                         GET          Produces  MediaType APPLICATION JSON  MediaType APPLICATION XML           public PostRespDTO get   throws NoSuchAlgorithmException  KeyManagementException  MalformedURLException  IOException  GeneralSecurityException                     object passed to the POST method                PostDTO requestObject   new PostDTO                requestObject setEntryAList new ArrayList lt  gt  Arrays asList  ITEM0000A    ITEM0000B    ITEM0000C                  requestObject setEntryBList new ArrayList lt  gt  Arrays asList  AAA    BBB    CCC                        build special  trust all  client to call POST method                ApacheHttpClient4Engine engine   new ApacheHttpClient4Engine createTrustAllClient                  ResteasyClient client   new ResteasyClientBuilder   httpEngine engine  build                ResteasyWebTarget target   client target  https   localhost 7002 postRespWS   path  postrespservice                Response response   target request   accept MediaType APPLICATION JSON  post Entity entity requestObject  MediaType APPLICATION JSON                      object returned from the POST method                PostRespDTO responseObject   response readEntity PostRespDTO class                response close                 return responseObject                           get special  trust all  client            private static CloseableHttpClient createTrustAllClient   throws NoSuchAlgorithmException  KeyStoreException  KeyManagementException                SSLContext sslContext   SSLContexts custom   loadTrustMaterial null  TRUSTALLCERTS  useProtocol  TLS   build                HttpClientBuilder builder   HttpClientBuilder create                NoopHostnameVerifier noop   new NoopHostnameVerifier                SSLConnectionSocketFactory sslConnectionSocketFactory   new SSLConnectionSocketFactory sslContext  noop               builder setSSLSocketFactory sslConnectionSocketFactory               Registry lt ConnectionSocketFactory gt  registry   RegistryBuilder  lt ConnectionSocketFactory gt create   register  https   sslConnectionSocketFactory  build                HttpClientConnectionManager ccm   new BasicHttpClientConnectionManager registry               builder setConnectionManager ccm                return builder build                        private static final TrustStrategy TRUSTALLCERTS   new TrustStrategy                  Override             public boolean isTrusted X509Certificate   chain  String authType                  throws CertificateException                   return true                                   related Maven dependencies       lt dependency gt           lt groupId gt org jboss resteasy lt  groupId gt           lt artifactId gt resteasy-client lt  artifactId gt           lt version gt 3 0 10 Final lt  version gt       lt  dependency gt       lt dependency gt           lt groupId gt org jboss resteasy lt  groupId gt           lt artifactId gt jaxrs-api lt  artifactId gt           lt version gt 3 0 10 Final lt  version gt       lt  dependency gt       lt dependency gt           lt groupId gt org jboss resteasy lt  groupId gt           lt artifactId gt resteasy-jackson2-provider lt  artifactId gt           lt version gt 3 0 10 Final lt  version gt       lt  dependency gt       lt dependency gt           lt groupId gt org apache httpcomponents lt  groupId gt           lt artifactId gt httpclient lt  artifactId gt           lt version gt 4 5 lt  version gt           lt type gt jar lt  type gt       lt  dependency gt       lt dependency gt           lt groupId gt javax lt  groupId gt           lt artifactId gt javaee-web-api lt  artifactId gt           lt version gt 7 0 lt  version gt           lt scope gt provided lt  scope gt       lt  dependency gt

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Tested with 4 3 3  import java security KeyManagementException  import java security KeyStoreException  import java security NoSuchAlgorithmException  import java security SecureRandom  import java security cert CertificateException  import java security cert X509Certificate   import javax net ssl SSLContext   import org apache http Header  import org apache http HttpEntity  import org apache http client methods CloseableHttpResponse  import org apache http client methods HttpGet  import org apache http conn ssl SSLConnectionSocketFactory  import org apache http conn ssl SSLContexts  import org apache http conn ssl TrustStrategy  import org apache http impl client CloseableHttpClient  import org apache http impl client HttpClients  import org apache http util EntityUtils   public class AccessProtectedResource    public static void main String   args  throws Exception           Trust all certs     SSLContext sslcontext   buildSSLContext            Allow TLSv1 protocol only     SSLConnectionSocketFactory sslsf   new SSLConnectionSocketFactory              sslcontext              new String      TLSv1                 null              SSLConnectionSocketFactory ALLOW ALL HOSTNAME VERIFIER        CloseableHttpClient httpclient   HttpClients custom                setSSLSocketFactory sslsf               build        try            HttpGet httpget   new HttpGet  https   yoururl             System out println  executing request    httpget getRequestLine              CloseableHttpResponse response   httpclient execute httpget           try               HttpEntity entity   response getEntity                 System out println  ----------------------------------------                System out println response getStatusLine                 if  entity    null                    System out println  Response content length      entity getContentLength                               for  Header header   response getAllHeaders                      System out println header                             EntityUtils consume entity             finally               response close                    finally           httpclient close             private static SSLContext buildSSLContext           throws NoSuchAlgorithmException  KeyManagementException          KeyStoreException       SSLContext sslcontext   SSLContexts custom                setSecureRandom new SecureRandom                 loadTrustMaterial null  new TrustStrategy                      public boolean isTrusted X509Certificate   chain  String authType                          throws CertificateException                       return true                                                build        return sslcontext

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With fluent 4 5 2 i had to make the following modification to make it work   try       TrustManager   trustAllCerts   new TrustManager            new X509TrustManager         public java security cert X509Certificate   getAcceptedIssuers             return null            public void checkClientTrusted X509Certificate   certs  String authType            public void checkServerTrusted X509Certificate   certs  String authType                         SSLContext sc   SSLContext getInstance  SSL        sc init null  trustAllCerts  new SecureRandom         CloseableHttpClient httpClient   HttpClients custom   setSSLHostnameVerifier NoopHostnameVerifier INSTANCE  setSslcontext sc  build         String output   Executor newInstance httpClient  execute Request Get  https   127 0 0 1 3000 something                                          connectTimeout 1000                                         socketTimeout 1000   returnContent   asString          catch  Exception e

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Tested with HttpClient 4 5 5 with Fluent API  final SSLContext sslContext   new SSLContextBuilder        loadTrustMaterial null   x509CertChain  authType  - gt  true  build     CloseableHttpClient httpClient   HttpClients custom        setSSLHostnameVerifier NoopHostnameVerifier INSTANCE       setSSLContext sslContext  build     String result   Executor newInstance httpClient       execute Request Get  https   localhost 8080 someapi        connectTimeout 1000  socketTimeout 1000        returnContent   asString

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a full working version for Apache HttpClient 4 1 3  based on oleg s code above  but it still needed an allow all hostname verifier on my system    private static HttpClient trustEveryoneSslHttpClient         try           SchemeRegistry registry   new SchemeRegistry             SSLSocketFactory socketFactory   new SSLSocketFactory new TrustStrategy                  public boolean isTrusted final X509Certificate   chain  String authType  throws CertificateException                      Oh  I am easy                    return true                            org apache http conn ssl SSLSocketFactory ALLOW ALL HOSTNAME VERIFIER            registry register new Scheme  https   443  socketFactory            ThreadSafeClientConnManager mgr   new ThreadSafeClientConnManager registry           DefaultHttpClient client   new DefaultHttpClient mgr  new DefaultHttpClient   getParams             return client        catch  GeneralSecurityException e            throw new RuntimeException e             Note I m re-throwing all exceptions because really  there s not much I can do if any of this fails in a real system

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To accept all certificates in HttpClient 4 4 x you can use the following one liner when creating the httpClient   httpClient   HttpClients custom   setSSLHostnameVerifier new NoopHostnameVerifier    setSslcontext new SSLContextBuilder   loadTrustMaterial null   x509Certificates  s  - gt  true  build    build

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You need to create a SSLContext with your own TrustManager and create HTTPS scheme using this context  Here is the code   SSLContext sslContext   SSLContext getInstance  SSL        set up a TrustManager that trusts everything sslContext init null  new TrustManager     new X509TrustManager                 public X509Certificate   getAcceptedIssuers                         System out println  getAcceptedIssuers                                      return null                             public void checkClientTrusted X509Certificate   certs                              String authType                        System out println  checkClientTrusted                                             public void checkServerTrusted X509Certificate   certs                              String authType                        System out println  checkServerTrusted                                     new SecureRandom      SSLSocketFactory sf   new SSLSocketFactory sslContext   Scheme httpsScheme   new Scheme  https   443  sf   SchemeRegistry schemeRegistry   new SchemeRegistry    schemeRegistry register httpsScheme       apache HttpClient version  gt 4 2 should use BasicClientConnectionManager ClientConnectionManager cm   new SingleClientConnManager schemeRegistry   HttpClient httpClient   new DefaultHttpClient cm

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We are using HTTPClient 4 3 5 and we tried almost all solutions exist on the stackoverflow but nothing  After thinking and figuring out the problem  we come to the following code which works perfectly  just add it before creating HttpClient instance      some method to call when making post requests       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        HttpClient httpClient   HttpClients custom   setSSLSocketFactory sslSF  build        HttpPost postRequest   new HttpPost url        continue your request in the normal form

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Apache HttpClient 4 5 5  HttpClient httpClient   HttpClients              custom                setSSLContext new SSLContextBuilder   loadTrustMaterial null  TrustAllStrategy INSTANCE  build                 setSSLHostnameVerifier NoopHostnameVerifier INSTANCE               build      No deprecated API has been used   Simple verifiable test case   package org apache http client test   import org apache http HttpResponse  import org apache http client HttpClient  import org apache http client methods HttpGet  import org apache http client methods HttpUriRequest  import org apache http conn ssl NoopHostnameVerifier  import org apache http impl client HttpClients  import org apache http ssl SSLContextBuilder  import org junit Before  import org junit Test   import java io IOException  import java security KeyManagementException  import java security KeyStoreException  import java security NoSuchAlgorithmException   public class ApacheHttpClientTest        private HttpClient httpClient        Before     public void initClient   throws NoSuchAlgorithmException  KeyManagementException  KeyStoreException           httpClient   HttpClients                  custom                    setSSLContext new SSLContextBuilder   loadTrustMaterial null  TrustAllStrategy INSTANCE  build                     setSSLHostnameVerifier NoopHostnameVerifier INSTANCE                   build                Test     public void apacheHttpClient455Test   throws IOException           executeRequestAndVerifyStatusIsOk  https   expired badssl com            executeRequestAndVerifyStatusIsOk  https   wrong host badssl com            executeRequestAndVerifyStatusIsOk  https   self-signed badssl com            executeRequestAndVerifyStatusIsOk  https   untrusted-root badssl com            executeRequestAndVerifyStatusIsOk  https   revoked badssl com            executeRequestAndVerifyStatusIsOk  https   pinning-test badssl com            executeRequestAndVerifyStatusIsOk  https   sha1-intermediate badssl com               private void executeRequestAndVerifyStatusIsOk String url  throws IOException           HttpUriRequest request   new HttpGet url            HttpResponse response   httpClient execute request           int statusCode   response getStatusLine   getStatusCode             assert statusCode    200

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If you encountered this problem when using AmazonS3Client  which embeds Apache HttpClient 4 1  you simply need to define a system property like this so that the SSL cert checker is relaxed   -Dcom amazonaws sdk disableCertChecking true  Mischief managed

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Below code works with 4 5 5  import java io IOException  import java security KeyManagementException  import java security NoSuchAlgorithmException  import java security SecureRandom  import java security cert CertificateException  import java security cert X509Certificate   import javax net ssl HostnameVerifier  import javax net ssl SSLContext  import javax net ssl SSLSession  import javax net ssl TrustManager  import javax net ssl X509TrustManager   import org apache http client methods CloseableHttpResponse  import org apache http client methods HttpGet  import org apache http client methods HttpUriRequest  import org apache http conn ssl SSLConnectionSocketFactory  import org apache http impl client CloseableHttpClient  import org apache http impl client HttpClients  import org apache http util EntityUtils   class HttpsSSLClient         public static CloseableHttpClient createSSLInsecureClient             SSLContext sslcontext   createSSLContext            SSLConnectionSocketFactory sslsf   new SSLConnectionSocketFactory sslcontext  new HostnameVerifier                   Override             public boolean verify String paramString  SSLSession paramSSLSession                    return true                                    CloseableHttpClient httpclient   HttpClients custom   setSSLSocketFactory sslsf  build            return httpclient              private static SSLContext createSSLContext             SSLContext sslcontext   null          try               sslcontext   SSLContext getInstance  TLS                sslcontext init null  new TrustManager    new TrustAnyTrustManager     new SecureRandom               catch  NoSuchAlgorithmException e                e printStackTrace              catch  KeyManagementException e                e printStackTrace                      return sslcontext              private static class TrustAnyTrustManager implements X509TrustManager            public void checkClientTrusted X509Certificate   chain  String authType  throws CertificateException             public void checkServerTrusted X509Certificate   chain  String authType  throws CertificateException             public X509Certificate   getAcceptedIssuers                 return new X509Certificate                          public class TestMe         public static void main String   args  throws IOException           CloseableHttpClient client   HttpsSSLClient createSSLInsecureClient             CloseableHttpResponse res   client execute new HttpGet  https   wrong host badssl com              System out println EntityUtils toString res getEntity                Output from code is    Output on browser is    The pom used is below   lt  xml version  1 0  encoding  UTF-8   gt   lt project xmlns  http   maven apache org POM 4 0 0           xmlns xsi  http   www w3 org 2001 XMLSchema-instance           xsi schemaLocation  http   maven apache org POM 4 0 0 http   maven apache org xsd maven-4 0 0 xsd  gt       lt modelVersion gt 4 0 0 lt  modelVersion gt        lt groupId gt com tarun lt  groupId gt       lt artifactId gt testing lt  artifactId gt       lt version gt 1 0-SNAPSHOT lt  version gt       lt build gt           lt plugins gt               lt plugin gt                   lt groupId gt org apache maven plugins lt  groupId gt                   lt artifactId gt maven-compiler-plugin lt  artifactId gt                   lt configuration gt                       lt source gt 6 lt  source gt                       lt target gt 6 lt  target gt                   lt  configuration gt               lt  plugin gt           lt  plugins gt       lt  build gt        lt dependencies gt       lt  -- https   mvnrepository com artifact org apache httpcomponents httpclient -- gt       lt dependency gt           lt groupId gt org apache httpcomponents lt  groupId gt           lt artifactId gt httpclient lt  artifactId gt           lt version gt 4 5 5 lt  version gt       lt  dependency gt    lt  dependencies gt   lt  project gt

User · Answer

If you are using the fluent API  you need to set it up via the Executor   Executor unregisterScheme  https    SSLSocketFactory sslSocketFactory   new SSLSocketFactory sslContext                                    SSLSocketFactory ALLOW ALL HOSTNAME VERIFIER   Executor registerScheme new Scheme  https   443  sslSocketFactory          where sslContext is the SSLContext created as shown in the ZZ Coder s answer   After that  you can do your http requests as   String responseAsString   Request Get  https   192 168 1 0 whatever json                             execute   getContent   asString      Note  tested with HttpClient 4 2

[java] How to ignore SSL certificate errors in Apache HttpClient 4.0

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