Hi Yossi,
Thanks for correcting me, I used example from 4.5.9, let me know if I am
setting proper jar file or need to give any other or missing any step.
source code
=====================
package org.apache.http.examples.client;
import java.io.File;
import javax.net.ssl.SSLContext;
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.TrustSelfSignedStrategy;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContexts;
import org.apache.http.util.EntityUtils;
/**
* This example demonstrates how to create secure connections with a custom
SSL
* context.
*/
public class ClientCustomSSL {
public final static void main(String[] args) throws Exception {
// Trust own CA and all self-signed certs
SSLContext sslcontext = SSLContexts.custom()
.loadTrustMaterial(new File("my.keystore"),
"nopassword".toCharArray(),
new TrustSelfSignedStrategy())
.build();
// Allow TLSv1 protocol only
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
sslcontext,
new String[] { "TLSv1" },
null,
SSLConnectionSocketFactory.getDefaultHostnameVerifier());
CloseableHttpClient httpclient = HttpClients.custom()
.setSSLSocketFactory(sslsf)
.build();
try {
HttpGet httpget = new HttpGet("https://httpbin.org/";);
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());
EntityUtils.consume(entity);
} finally {
response.close();
}
} finally {
httpclient.close();
}
}
}
======================================================
Compile error logs
=========================
somshekar@celsys041:~$ javac -classpath
/home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/httpclient-4.5.9.jar
ClientCustomSSL.java
ClientCustomSSL.java:33: error: cannot find symbol
import org.apache.http.HttpEntity;
^
symbol: class HttpEntity
location: package org.apache.http
ClientCustomSSL.java:40: error: package org.apache.http.ssl does not exist
import org.apache.http.ssl.SSLContexts;
^
ClientCustomSSL.java:41: error: package org.apache.http.util does not exist
import org.apache.http.util.EntityUtils;
^
warning: unknown enum constant ThreadingBehavior.SAFE
reason: class file for org.apache.http.annotation.ThreadingBehavior not
found
warning: unknown enum constant ThreadingBehavior.SAFE
ClientCustomSSL.java:51: error: cannot find symbol
SSLContext sslcontext = SSLContexts.custom()
^
symbol: variable SSLContexts
location: class ClientCustomSSL
ClientCustomSSL.java:68: error: cannot access HttpRequest
System.out.println("Executing request " +
httpget.getRequestLine());
^
class file for org.apache.http.HttpRequest not found
ClientCustomSSL.java:70: error: cannot access AbstractHttpMessage
CloseableHttpResponse response = httpclient.execute(httpget);
^
class file for org.apache.http.message.AbstractHttpMessage not found
ClientCustomSSL.java:72: error: cannot find symbol
HttpEntity entity = response.getEntity();
^
symbol: class HttpEntity
location: class ClientCustomSSL
ClientCustomSSL.java:72: error: cannot access HttpResponse
HttpEntity entity = response.getEntity();
^
class file for org.apache.http.HttpResponse not found
ClientCustomSSL.java:75: error: cannot find symbol
System.out.println(response.getStatusLine());
^
symbol: method getStatusLine()
location: variable response of type CloseableHttpResponse
ClientCustomSSL.java:76: error: cannot find symbol
EntityUtils.consume(entity);
^
symbol: variable EntityUtils
location: class ClientCustomSSL
10 errors
2 warnings
==============================================================
somshekar@celsys041:~$
thanks in advance
Regards
Somshekar C Kadam
9036660538
On Thu, Sep 5, 2019 at 5:06 PM <yo...@yossi.at> wrote:
> The compilation error are the result of you coping code from HC version
> 5.0 and using it with JARs for HC 4.5.x. The hint is in the package name
> (client5).
> I suggest you look for examples for the current version (4.5.x).
>
>
> -----Original Message-----
> From: Somshekar C Kadam <somkada...@gmail.com>
> Sent: Thursday, 5 September 2019 14:28
> To: HttpClient User Discussion <httpclient-users@hc.apache.org>
> Subject: Re: apache httpclient
>
> Hi Bernd,
>
> I am using java 1.8, Ubuntu 16.04, code is given below which I am trying
> to compile which uses apache httpclient.
>
> httpclient jar fies downloaded
>
> somshekar@celsys041:~$ ls
> /home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/
> commons-codec-1.11.jar httpclient-4.5.9.jar
> httpclient-win-4.5.9.jar jna-4.5.2.jar commons-logging-1.2.jar
> httpclient-cache-4.5.9.jar httpcore-4.4.11.jar
> jna-platform-4.5.2.jar
> fluent-hc-4.5.9.jar httpclient-osgi-4.5.9.jar httpmime-4.5.9.jar
>
> error log
> ====================
> somshekar@celsys041:~$ javac -classpath
>
> /home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/httpcore-4.4.11.jar
> ClientCustomSSL.java
> ClientCustomSSL.java:9: error: package
> org.apache.hc.client5.http.classic.methods does not exist import
> org.apache.hc.client5.http.classic.methods.HttpGet;
> ^
> ClientCustomSSL.java:10: error: package
> org.apache.hc.client5.http.impl.classic does not exist import
> org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
> ^
> ClientCustomSSL.java:11: error: package
> org.apache.hc.client5.http.impl.classic does not exist import
> org.apache.hc.client5.http.impl.classic.CloseableHttpResponse;
> ^
> ClientCustomSSL.java:12: error: package
> org.apache.hc.client5.http.impl.classic does not exist import
> org.apache.hc.client5.http.impl.classic.HttpClients;
> ^
> ClientCustomSSL.java:13: error: package org.apache.hc.client5.http.impl.io
> does not exist
> import
> org.apache.hc.client5.http.impl.io
> .PoolingHttpClientConnectionManagerBuilder;
> ^
> ClientCustomSSL.java:14: error: package org.apache.hc.client5.http.io
> does not exist import org.apache.hc.client5.http.io
> .HttpClientConnectionManager;
> ^
> ClientCustomSSL.java:15: error: package org.apache.hc.client5.http.protocol
> does not exist
> import org.apache.hc.client5.http.protocol.HttpClientContext;
> ^
> ClientCustomSSL.java:16: error: package org.apache.hc.client5.http.ssl
> does not exist import
> org.apache.hc.client5.http.ssl.SSLConnectionSocketFactory;
> ^
> ClientCustomSSL.java:17: error: package org.apache.hc.client5.http.ssl
> does not exist import
> org.apache.hc.client5.http.ssl.SSLConnectionSocketFactoryBuilder;
> ^
> ClientCustomSSL.java:18: error: package org.apache.hc.core5.http.io.entity
> does not exist
> import org.apache.hc.core5.http.io.entity.EntityUtils;
> ^
> ClientCustomSSL.java:19: error: package org.apache.hc.core5.http.ssl does
> not exist import org.apache.hc.core5.http.ssl.TLS;
> ^
> ClientCustomSSL.java:20: error: package org.apache.hc.core5.ssl does not
> exist import org.apache.hc.core5.ssl.SSLContexts;
> ^
> ClientCustomSSL.java:21: error: package org.apache.hc.core5.ssl does not
> exist import org.apache.hc.core5.ssl.TrustStrategy;
> ^
> ClientCustomSSL.java:32: error: cannot find symbol
> .loadTrustMaterial(new TrustStrategy() {
> ^
> symbol: class TrustStrategy
> location: class ClientCustomSSL
> ClientCustomSSL.java:34: error: method does not override or implement a
> method from a supertype
> @Override
> ^
> ClientCustomSSL.java:31: error: cannot find symbol
> final SSLContext sslcontext = SSLContexts.custom()
> ^
> symbol: variable SSLContexts
> location: class ClientCustomSSL
> ClientCustomSSL.java:45: error: cannot find symbol
> final SSLConnectionSocketFactory sslSocketFactory =
> SSLConnectionSocketFactoryBuilder.create()
> ^
> symbol: class SSLConnectionSocketFactory
> location: class ClientCustomSSL
> ClientCustomSSL.java:47: error: cannot find symbol
> .setTlsVersions(TLS.V_1_2)
> ^
> symbol: variable TLS
> location: class ClientCustomSSL
> ClientCustomSSL.java:45: error: cannot find symbol
> final SSLConnectionSocketFactory sslSocketFactory =
> SSLConnectionSocketFactoryBuilder.create()
> ^
> symbol: variable SSLConnectionSocketFactoryBuilder
> location: class ClientCustomSSL
> ClientCustomSSL.java:46: error: cannot find symbol
> .setSslContext(SSLContexts.createSystemDefault())
> ^
> symbol: variable SSLContexts
> location: class ClientCustomSSL
> ClientCustomSSL.java:49: error: cannot find symbol
> final HttpClientConnectionManager cm =
> PoolingHttpClientConnectionManagerBuilder.create()
> ^
> symbol: class HttpClientConnectionManager
> location: class ClientCustomSSL
> ClientCustomSSL.java:49: error: cannot find symbol
> final HttpClientConnectionManager cm =
> PoolingHttpClientConnectionManagerBuilder.create()
> ^
> symbol: variable PoolingHttpClientConnectionManagerBuilder
> location: class ClientCustomSSL
> ClientCustomSSL.java:52: error: cannot find symbol
> try (CloseableHttpClient httpclient = HttpClients.custom()
> ^
> symbol: class CloseableHttpClient
> location: class ClientCustomSSL
> ClientCustomSSL.java:52: error: cannot find symbol
> try (CloseableHttpClient httpclient = HttpClients.custom()
> ^
> symbol: variable HttpClients
> location: class ClientCustomSSL
> ClientCustomSSL.java:56: error: cannot find symbol
> final HttpGet httpget = new HttpGet("https://httpbin.org/";);
> ^
> symbol: class HttpGet
> location: class ClientCustomSSL
> ClientCustomSSL.java:56: error: cannot find symbol
> final HttpGet httpget = new HttpGet("https://httpbin.org/";);
> ^
> symbol: class HttpGet
> location: class ClientCustomSSL
> ClientCustomSSL.java:60: error: cannot find symbol
> final HttpClientContext clientContext =
> HttpClientContext.create();
> ^
> symbol: class HttpClientContext
> location: class ClientCustomSSL
> ClientCustomSSL.java:60: error: cannot find symbol
> final HttpClientContext clientContext =
> HttpClientContext.create();
> ^
> symbol: variable HttpClientContext
> location: class ClientCustomSSL
> ClientCustomSSL.java:61: error: cannot find symbol
> try (CloseableHttpResponse response =
> httpclient.execute(httpget, clientContext)) {
> ^
> symbol: class CloseableHttpResponse
> location: class ClientCustomSSL
> ClientCustomSSL.java:64: error: cannot find symbol
>
> System.out.println(EntityUtils.toString(response.getEntity()));
> ^
> symbol: variable EntityUtils
> location: class ClientCustomSSL
> 30 errors
> ========================================================
>
>
> Code
> ===================================================
> package org.apache.hc.client5.http.examples;
>
> import java.security.cert.CertificateException;
> import java.security.cert.X509Certificate;
>
> import javax.net.ssl.SSLContext;
> import javax.net.ssl.SSLSession;
>
> import org.apache.hc.client5.http.classic.methods.HttpGet;
> import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
> import org.apache.hc.client5.http.impl.classic.CloseableHttpResponse;
> import org.apache.hc.client5.http.impl.classic.HttpClients;
> import
> org.apache.hc.client5.http.impl.io
> .PoolingHttpClientConnectionManagerBuilder;
> import org.apache.hc.client5.http.io.HttpClientConnectionManager;
> import org.apache.hc.client5.http.protocol.HttpClientContext;
> import org.apache.hc.client5.http.ssl.SSLConnectionSocketFactory;
> import org.apache.hc.client5.http.ssl.SSLConnectionSocketFactoryBuilder;
> import org.apache.hc.core5.http.io.entity.EntityUtils;
> import org.apache.hc.core5.http.ssl.TLS; import
> org.apache.hc.core5.ssl.SSLContexts;
> import org.apache.hc.core5.ssl.TrustStrategy;
>
> /**
> * This example demonstrates how to create secure connections with a
> custom SSL
> * context.
> */
> public class ClientCustomSSL {
>
> public final static void main(final String[] args) throws Exception {
> // Trust standard CA and those trusted by our custom strategy
> final SSLContext sslcontext = SSLContexts.custom()
> .loadTrustMaterial(new TrustStrategy() {
>
> @Override
> public boolean isTrusted(
> final X509Certificate[] chain,
> final String authType) throws
> CertificateException {
> final X509Certificate cert = chain[0];
> return "CN=httpbin.org
> ".equalsIgnoreCase(cert.getSubjectDN().getName());
> }
>
> })
> .build();
> // Allow TLSv1.2 protocol only
> final SSLConnectionSocketFactory sslSocketFactory =
> SSLConnectionSocketFactoryBuilder.create()
> .setSslContext(SSLContexts.createSystemDefault())
> .setTlsVersions(TLS.V_1_2)
> .build();
> final HttpClientConnectionManager cm =
> PoolingHttpClientConnectionManagerBuilder.create()
> .setSSLSocketFactory(sslSocketFactory)
> .build();
> try (CloseableHttpClient httpclient = HttpClients.custom()
> .setConnectionManager(cm)
> .build()) {
>
> final HttpGet httpget = new HttpGet("https://httpbin.org/";);
>
> System.out.println("Executing request " + httpget.getMethod()
> + " " + httpget.getUri());
>
> final HttpClientContext clientContext =
> HttpClientContext.create();
> try (CloseableHttpResponse response =
> httpclient.execute(httpget, clientContext)) {
>
> System.out.println("----------------------------------------");
> System.out.println(response.getCode() + " " +
> response.getReasonPhrase());
>
> System.out.println(EntityUtils.toString(response.getEntity()));
>
> final SSLSession sslSession =
> clientContext.getSSLSession();
> if (sslSession != null) {
> System.out.println("SSL protocol " +
> sslSession.getProtocol());
> System.out.println("SSL cipher suite " +
> sslSession.getCipherSuite());
> }
> }
> }
> }
>
> }
> =============================================================
>
>
>
> Regards
> Somshekar C Kadam
> 9036660538
>
>
> On Thu, Sep 5, 2019 at 4:47 PM Somshekar C Kadam <somkada...@gmail.com>
> wrote:
>
> > Hi Yossi,
> >
> > will try and get back on this.
> >
> > Regards
> > Somshekar C Kadam
> > 9036660538
> >
> >
> > On Thu, Sep 5, 2019 at 3:24 PM <yo...@yossi.at> wrote:
> >
> >> One possible explanation for the 20 second delay is that the curl
> >> call goes through a proxy (defined by the http_proxy/https_proxy
> >> environment properties), while Java does not pick up these
> >> properties. If this is indeed the case, you need to pass some system
> properties in your java call.
> >> See the documentation:
> >> https://docs.oracle.com/javase/8/docs/technotes/guides/net/proxies.html
> .
> >>
> >> Yossi.
> >>
> >> -----Original Message-----
> >> From: Somshekar C Kadam <somkada...@gmail.com>
> >> Sent: Thursday, 5 September 2019 12:45
> >> To: HttpClient User Discussion <httpclient-users@hc.apache.org>
> >> Subject: Re: apache httpclient
> >>
> >> Hi Brenda,
> >>
> >> First of all thanks for your time and advice.
> >> I am not asking for Arm, I was telling for Intel Ubuntu Linux
> >> machine, not able to get it compiled.
> >>
> >> I will send error to you later.
> >>
> >> Regards Somshekar
> >>
> >> On Thu, Sep 5, 2019, 3:05 PM Bernd Eckenfels <e...@zusammenkunft.net>
> >> wrote:
> >>
> >> > Hello,
> >> >
> >> > The URLConnection code looks fine (line reading is not the most
> >> > performing way to do it and buffer size is probably on the small
> >> > side but that should not be a deal breaker). Maybe you can add
> >> > timestamp printing so you can see where the delay happens.
> >> > (Especially is it while print_certs which means it is the
> >> > connection/handshake or is the
> >> print taking so long.
> >> >
> >> > BTW: when measuring you also should not print to console, that can
> >> > be very slow on embedded devices (and in general)
> >> >
> >> > As soon as you provide us the error details we can help you with
> >> > that, I don’t think there are specific compile instructions available
> for arm.
> >> >
> >> > Gruss
> >> > Bernd
> >> >
> >> >
> >> > --
> >> > http://bernd.eckenfels.net
> >> >
> >> > ________________________________
> >> > Von: Somshekar C Kadam <somkada...@gmail.com>
> >> > Gesendet: Donnerstag, September 5, 2019 11:15 AM
> >> > An: HttpClient User Discussion
> >> > Betreff: Re: apache httpclient
> >> >
> >> > Hi Bernd,
> >> >
> >> > Missed the sample program used
> >> > HttpsClient.java
> >> > ================
> >> > import java.net.MalformedURLException; import java.net.URL; import
> >> > java.security.cert.Certificate; import java.io.*;
> >> >
> >> > import javax.net.ssl.HttpsURLConnection; import
> >> > javax.net.ssl.SSLPeerUnverifiedException;
> >> >
> >> > public class HttpsClient {
> >> >
> >> > public static void main(String[] args) { new
> >> > HttpsClient().testIt(); }
> >> >
> >> > private void testIt(){
> >> >
> >> > // String https_url = "https://www.google.com/";; String https_url = "
> >> > https://transparencyreport.google.com/https/overview?hl=en";;
> >> > URL url;
> >> > try {
> >> >
> >> > url = new URL(https_url);
> >> > HttpsURLConnection con = (HttpsURLConnection)url.openConnection();
> >> >
> >> > //dumpl all cert info
> >> > print_https_cert(con);
> >> >
> >> > //dump all the content
> >> > print_content(con);
> >> >
> >> > } catch (MalformedURLException e) { e.printStackTrace(); } catch
> >> > (IOException e) { e.printStackTrace(); }
> >> >
> >> > }
> >> >
> >> > private void print_https_cert(HttpsURLConnection con){
> >> >
> >> > if(con!=null){
> >> >
> >> > try {
> >> >
> >> > System.out.println("Response Code : " + con.getResponseCode());
> >> > System.out.println("Cipher Suite : " + con.getCipherSuite());
> >> > System.out.println("\n");
> >> >
> >> > Certificate[] certs = con.getServerCertificates(); for(Certificate
> >> > cert : certs){ System.out.println("Cert Type : " + cert.getType());
> >> > System.out.println("Cert Hash Code : " + cert.hashCode());
> >> > System.out.println("Cert Public Key Algorithm : "
> >> > + cert.getPublicKey().getAlgorithm());
> >> > System.out.println("Cert Public Key Format : "
> >> > + cert.getPublicKey().getFormat());
> >> > System.out.println("\n");
> >> > }
> >> >
> >> > } catch (SSLPeerUnverifiedException e) { e.printStackTrace(); }
> >> > catch (IOException e){ e.printStackTrace(); }
> >> >
> >> > }
> >> >
> >> > }
> >> >
> >> > private void print_content(HttpsURLConnection con){ if(con!=null){
> >> >
> >> > try {
> >> >
> >> > System.out.println("****** Content of the URL ********");
> >> > BufferedReader br = new BufferedReader( new
> >> > InputStreamReader(con.getInputStream()));
> >> >
> >> > String input;
> >> >
> >> > while ((input = br.readLine()) != null){ System.out.println(input);
> >> > } br.close();
> >> >
> >> > } catch (IOException e) {
> >> > e.printStackTrace();
> >> > }
> >> >
> >> > }
> >> >
> >> > }
> >> >
> >> > }
> >> > =============================
> >> > Regards
> >> > Somshekar C Kadam
> >> > 9036660538
> >> >
> >> >
> >> > On Thu, Sep 5, 2019 at 2:40 PM Somshekar C Kadam
> >> > <somkada...@gmail.com>
> >> > wrote:
> >> >
> >> > > Hi Bernd,
> >> > >
> >> > > On My Ubuntu Machine I am able to compile Intel based Java
> >> > > programs no issue.
> >> > > We have Armv7 target board openjdk installed, able to compile
> >> > > java
> >> > program
> >> > > and run on the board no issues,
> >> > >
> >> > > I run the curl command on the armv7 target board, able to connect
> >> > > to
> >> > https
> >> > > link and get the content, same when I use the program below
> >> > > provided it takes 15 ~20 seconds more using httpsurlconenction.
> >> > >
> >> > >
> >> > > Now I wanted to try out alternative Apache httpclient to check if
> >> > > it can reduce time to connect same https link. I am not able to
> >> > > compile the program, I will provide the details in a while (added
> >> > > jar file for httpcore). So reuested to provide any link or steps
> >> > >
> >> > > Thanks in advance
> >> > >
> >> > > Regards
> >> > > Somshekar C Kadam
> >> > > 9036660538
> >> > >
> >> > >
> >> > > On Thu, Sep 5, 2019 at 2:30 PM Bernd Eckenfels
> >> > > <e...@zusammenkunft.net>
> >> > > wrote:
> >> > >
> >> > >> Hello,
> >> > >>
> >> > >> Are you able to compile and run any java programs?
> >> > >>
> >> > >> What is the error you are getting, what is the command you are
> >> > >> using to compile it and how does your source directory looks like?
> >> > >>
> >> > >> You can compile the sample client on other machines, if this
> >> > >> helps your development velocity.
> >> > >>
> >> > >> You can’t really compare native program (curl) speed with Java,
> >> > >> but it certainly should not be that different (I mean yes you
> >> > >> can, it just does not tell you much). Do you count startup Time?
> >> > >> How did you Test Java if
> >> > it
> >> > >> does not compile?
> >> > >>
> >> > >> Is the only reason you look into HTTPClient the delay you see
> >> > >> with URLConnection? Do you have a sample program for that which
> >> > >> shows the slowness?
> >> > >> Gruss
> >> > >> Bernd
> >> > >>
> >> > >>
> >> > >> --
> >> > >> http://bernd.eckenfels.net
> >> > >>
> >> > >> ________________________________
> >> > >> Von: Somshekar C Kadam <somkada...@gmail.com>
> >> > >> Gesendet: Donnerstag, September 5, 2019 10:53 AM
> >> > >> An: HttpClient User Discussion; Somshekar kadam
> >> > >> Betreff: Re: apache httpclient
> >> > >>
> >> > >> Hi Bernd,
> >> > >> Thanks for the quick reply.
> >> > >> Excuse me on the replyall part, my bad.
> >> > >>
> >> > >> when I use curl same https connection quickly returns within 2
> >> > >> seconds, ofcourse different cipher is used.
> >> > >> Also I am not able to get sample apache httpclient compiled on
> >> > >> Ubuntu Linux machine, any link or steps which I can get to make
> >> > >> it compile and work will help.
> >> > >>
> >> > >> code
> >> > >> =============
> >> > >> package org.apache.hc.client5.http.examples;
> >> > >>
> >> > >> import java.security.cert.CertificateException;
> >> > >> import java.security.cert.X509Certificate;
> >> > >>
> >> > >> import javax.net.ssl.SSLContext; import
> >> > >> javax.net.ssl.SSLSession;
> >> > >>
> >> > >> import org.apache.hc.client5.http.classic.methods.HttpGet;
> >> > >> import
> >> > >> org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
> >> > >> import
> >> > >> org.apache.hc.client5.http.impl.classic.CloseableHttpResponse;
> >> > >> import org.apache.hc.client5.http.impl.classic.HttpClients;
> >> > >> import
> >> > >> org.apache.hc.client5.http.impl.io
> >> > >> .PoolingHttpClientConnectionManagerBuilder;
> >> > >> import
> >> > >> org.apache.hc.client5.http.io.HttpClientConnectionManager;
> >> > >> import org.apache.hc.client5.http.protocol.HttpClientContext;
> >> > >> import
> >> > >> org.apache.hc.client5.http.ssl.SSLConnectionSocketFactory;
> >> > >> import
> >> > >> org.apache.hc.client5.http.ssl.SSLConnectionSocketFactoryBuilder
> >> > >> ; import org.apache.hc.core5.http.io.entity.EntityUtils;
> >> > >> import org.apache.hc.core5.http.ssl.TLS; import
> >> > >> org.apache.hc.core5.ssl.SSLContexts;
> >> > >> import org.apache.hc.core5.ssl.TrustStrategy;
> >> > >>
> >> > >> /**
> >> > >> * This example demonstrates how to create secure connections
> >> > >> with a
> >> > custom
> >> > >> SSL
> >> > >> * context.
> >> > >> */
> >> > >> public class ClientCustomSSL {
> >> > >>
> >> > >> public final static void main(final String[] args) throws
> >> > >> Exception { // Trust standard CA and those trusted by our custom
> >> > >> strategy final SSLContext sslcontext = SSLContexts.custom()
> >> > >> .loadTrustMaterial(new TrustStrategy() {
> >> > >>
> >> > >> @Override
> >> > >> public boolean isTrusted(
> >> > >> final X509Certificate[] chain,
> >> > >> final String authType) throws
> >> > >> CertificateException {
> >> > >> final X509Certificate cert = chain[0]; return "CN=httpbin.org
> >> > >> ".equalsIgnoreCase(cert.getSubjectDN().getName());
> >> > >> }
> >> > >>
> >> > >> })
> >> > >> .build();
> >> > >> // Allow TLSv1.2 protocol only
> >> > >> final SSLConnectionSocketFactory sslSocketFactory =
> >> > >> SSLConnectionSocketFactoryBuilder.create()
> >> > >> .setSslContext(SSLContexts.createSystemDefault())
> >> > >> .setTlsVersions(TLS.V_1_2)
> >> > >> .build();
> >> > >> final HttpClientConnectionManager cm =
> >> > >> PoolingHttpClientConnectionManagerBuilder.create()
> >> > >> .setSSLSocketFactory(sslSocketFactory)
> >> > >> .build();
> >> > >> try (CloseableHttpClient httpclient = HttpClients.custom()
> >> > >> .setConnectionManager(cm)
> >> > >> .build()) {
> >> > >>
> >> > >> final HttpGet httpget = new HttpGet("https://httpbin.org/";);
> >> > >>
> >> > >> System.out.println("Executing request " + httpget.getMethod() + " "
> >> > >> + httpget.getUri());
> >> > >>
> >> > >> final HttpClientContext clientContext =
> >> > >> HttpClientContext.create(); try (CloseableHttpResponse response
> >> > >> = httpclient.execute(httpget,
> >> > >> clientContext)) {
> >> > >>
> >> > >> System.out.println("----------------------------------------");
> >> > >> System.out.println(response.getCode() + " " +
> >> > >> response.getReasonPhrase());
> >> > >>
> >> > >> System.out.println(EntityUtils.toString(response.getEntity()));
> >> > >>
> >> > >> final SSLSession sslSession = clientContext.getSSLSession(); if
> >> > >> (sslSession != null) { System.out.println("SSL protocol " +
> >> > >> sslSession.getProtocol()); System.out.println("SSL cipher suite
> >> > >> " + sslSession.getCipherSuite()); } } } }
> >> > >>
> >> > >> }
> >> > >> ===================
> >> > >>
> >> > >> Regards
> >> > >> Somshekar C Kadam
> >> > >> 9036660538
> >> > >>
> >> > >>
> >> > >> On Thu, Sep 5, 2019 at 2:09 PM Bernd Eckenfels
> >> > >> <e...@zusammenkunft.net>
> >> > >> wrote:
> >> > >>
> >> > >> > Hello,
> >> > >> >
> >> > >> > Certainly you can use the Apache HTTPClient to replace
> >> > >> > URLConnection,
> >> > >> you
> >> > >> > don’t need to do anything special on ARM other than having
> >> > >> > Java
> >> > Runtime
> >> > >> > installed.
> >> > >> >
> >> > >> > If you have a slow http download changes are high this is
> >> > >> > caused by
> >> > slow
> >> > >> > CPU, missing random numbers, slow network or server. All those
> >> > >> conditions
> >> > >> > might affect URLConnection or HTTPClient, so there is no
> >> > >> > guarantee
> >> > that
> >> > >> > switching to Apache HTTPClient will improve things.
> >> > >> >
> >> > >> > BTW your CC List is insane, why would you want to bother
> >> > >> > people like
> >> > >> that?
> >> > >> > Gruss
> >> > >> > Bernd
> >> > >> >
> >> > >> >
> >> > >> > --
> >> > >> > http://bernd.eckenfels.net
> >> > >> >
> >> > >> > ________________________________
> >> > >> > Von: Somshekar C Kadam <somkada...@gmail.com>
> >> > >> > Gesendet: Donnerstag, September 5, 2019 10:26 AM
> >> > >> > An: HttpClient User Discussion
> >> > >> > Cc: annou...@apache.org; priv...@hc.apache.org;
> >> > >> > d...@hc.apache.org
> >> > >> > Betreff: apache httpclient
> >> > >> >
> >> > >> > Hi All,
> >> > >> > I am a newbie to Java.
> >> > >> > We are going to try Apache httpclient as an alternative for
> >> > >> > openjdk httpsurl connection class.
> >> > >> >
> >> > >> > We see that using openjdk 8 and above we s eee that when using
> >> > httpsurl
> >> > >> > conenction we see a delay of 10 to 20 seconds to get content
> >> > >> > of the
> >> > >> url. We
> >> > >> > use Armv7, Linux. We wanted first to begin with to get normal
> >> > httpclient
> >> > >> > working on Ubuntu Linux machine.
> >> > >> > Dont find any steps to get it working, is there any link how
> >> > >> > to use it
> >> > >> on
> >> > >> > ubuntu machine httpclient working, please point.
> >> > >> >
> >> > >> > Also you like to know hopefully this approach is correct to
> >> > >> > try Apachr httpsclient instaed of openjdk httpsurlconnection.
> >> > >> > please advice
> >> > >> > Regards
> >> > >> > Somshekar C Kadam
> >> > >> > 9036660538
> >> > >> >
> >> > >> >
> >> > >> > On Thu, Sep 5, 2019 at 1:52 PM Oleg Kalnichevski
> >> > >> > <ol...@apache.org>
> >> > >> wrote:
> >> > >> >
> >> > >> > > The Apache HttpComponents project is pleased to announce
> >> > >> > > 4.4.12 GA release of HttpComponents Core.
> >> > >> > >
> >> > >> > > This is a maintenance release that corrects a number of
> >> > >> > > defects discovered since release 4.4.11.
> >> > >> > >
> >> > >> > > Please note that as of 4.4 HttpCore requires Java 1.6 or newer.
> >> > >> > >
> >> > >> > > IMPORTANT: Users of HttpCore 4.x GA releases are strongly
> >> > >> > > encouraged
> >> > >> to
> >> > >> > > evaluate new HttpCore 5.0 APIs and give the project
> >> > >> > > developers feedback, share critique or propose changes.
> >> > >> > >
> >> > >> > > Download -
> >> > >> > > <http://hc.apache.org/downloads.cgi>
> >> > >> > > Release notes -
> >> > >> > > <
> >> > http://www.apache.org/dist/httpcomponents/httpcore/RELEASE_NOTES.tx
> >> > t
> >> > >> >
> >> > >> > > HttpComponents site -
> >> > >> > > <http://hc.apache.org/>
> >> > >> > >
> >> > >> > > About HttpComponents Core
> >> > >> > >
> >> > >> > > HttpCore is a set of low level HTTP transport components
> >> > >> > > that can be used to build custom client and server side HTTP
> >> > >> > > services with a minimal footprint. HttpCore supports two I/O
> >> > >> > > models: a blocking I/O model based on the classic Java I/O
> >> > >> > > and a non-blocking, event driven I/O model based on Java NIO.
> >> > >> > >
> >> > >> > >
> >> > >> > >
> >> > >> > >
> >> > -------------------------------------------------------------------
> >> > --
> >> > >> > > To unsubscribe, e-mail:
> >> > >> > > httpclient-users-unsubscr...@hc.apache.org
> >> > >> > > For additional commands, e-mail:
> >> > httpclient-users-h...@hc.apache.org
> >> > >> > >
> >> > >> > >
> >> > >> >
> >> > >>
> >> > >
> >> >
> >>
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: httpclient-users-unsubscr...@hc.apache.org
> >> For additional commands, e-mail: httpclient-users-h...@hc.apache.org
> >>
> >>
>
>
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