Hi Yossi,
Thanks you are right, I did put all jar files and compiled it, now it
compiles successfully able to create class file.

compile command

javac -classpath
/home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/httpclient-4.5.9.jar:/home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/httpcore-4.4.11.jar:/home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/httpclient-osgi-4.5.9.jar:/home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/httpclient-cache-4.5.9.jar
ClientCustomSSL.java


somshekar@celsys041:~$ file ClientCustomSSL.class
ClientCustomSSL.class: compiled Java class data, version 52.0 (Java 1.8)


when I try to run it, it gives below error, do I have to specify the
classpath at runtime also

somshekar@celsys041:~$ sudo java -classpath
/home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/httpclient-4.5.9.jar:/home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/httpcore-4.4.11.jar:/home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/httpclient-osgi-4.5.9.jar:/home/somshekar/akshay/java-jvms/httpcomponents-client-4.5.9/lib/httpclient-cache-4.5.9.jar
ClientCustomSSL
Error: Could not find or load main class ClientCustomSSL

thanks in advance
Regards
Somshekar C Kadam
9036660538


On Thu, Sep 5, 2019 at 6:33 PM <yo...@yossi.at> wrote:

> It seems that you are only putting httpclient-4.5.9.jar in your classpath,
> but it has dependencies on other JARs itself. Most importantly, it depends
> on HttpCore, part of the same project. You can see the dependencies, and
> their own dependencies, recursively, at
> https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient/4.5.9
> .
> Collecting all the transitive dependencies for Java projects manually can
> become quite time-consuming. You can definitely do it for this test, but I
> recommend learning how to use Maven.
>
> -----Original Message-----
> From: Somshekar C Kadam <somkada...@gmail.com>
> Sent: Thursday, 5 September 2019 15:40
> To: HttpClient User Discussion <httpclient-users@hc.apache.org>
> Subject: Re: apache httpclient
>
> 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/httpc
> > ore-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.SSLConnectionSocketFactoryBuild
> > >> > >> er ; 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
> > >>
> > >>
> >
> >
> > ---------------------------------------------------------------------
> > 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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