You are not specifying a classpath? TrustStrategy is part of httpcomponents-core.
-- http://bernd.eckenfels.net ________________________________ Von: Somshekar C Kadam <somkada...@gmail.com> Gesendet: Freitag, September 6, 2019 10:21 AM An: HttpClient User Discussion Betreff: Re: apache httpclient Hi Yossi and Bernd, Seems other issue path are all proper somshekar@celsys041:~$ java org.apache.http.examples.client.ClientCustomSSL Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/http/ssl/TrustStrategy at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) at java.lang.Class.privateGetMethodRecursive(Class.java:3048) at java.lang.Class.getMethod0(Class.java:3018) at java.lang.Class.getMethod(Class.java:1784) at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544) at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526) Caused by: java.lang.ClassNotFoundException: org.apache.http.ssl.TrustStrategy at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 7 more Regards Somshekar C Kadam 9036660538 On Thu, Sep 5, 2019 at 9:17 PM Somshekar C Kadam <somkada...@gmail.com> wrote: > Yes Yossi I think I need to do that, Thanks a lot for your suggestions and > support. > > Regards Somshekar > > On Thu, Sep 5, 2019, 8:48 PM <yo...@yossi.at> wrote: > >> Your class should also be in the classpath. Add >> ";path/ClientCustomSSL.class" to your class path. >> (This is basic Java stuff, unrelated to HC. Maybe you should do some Java >> tutorial first, or if possible start using an IDE, which simplifies a lot >> of these issues.) >> >> -----Original Message----- >> From: Somshekar C Kadam <somkada...@gmail.com> >> Sent: Thursday, 5 September 2019 16:51 >> To: HttpClient User Discussion <httpclient-users@hc.apache.org> >> Subject: Re: apache httpclient >> >> Hi Yossi, >> tried the same >> >> somshekar@celsys041:~$ 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 >> org.apache.http.examples.client.ClientCustomSSL >> Error: Could not find or load main class >> org.apache.http.examples.client.ClientCustomSSL >> >> same even with sudo, not sure why am I missing naything else Sorry for >> many mails on this >> >> thanks in advance >> >> Regards >> Somshekar C Kadam >> 9036660538 >> >> >> On Thu, Sep 5, 2019 at 6:46 PM <yo...@yossi.at> wrote: >> >> > You need to specify the full package name of the main class (in your >> > case org.apache.http.examples.client.ClientCustomSSL). >> > >> > -----Original Message----- >> > From: Somshekar C Kadam <somkada...@gmail.com> >> > Sent: Thursday, 5 September 2019 16:14 >> > To: HttpClient User Discussion <httpclient-users@hc.apache.org> >> > Subject: Re: apache httpclient >> > >> > 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/httpc >> > lient-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/httpco >> > mponents-client-4.5.9/lib/httpclient-osgi-4.5.9.jar:/home/somshekar/ak >> > shay/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/httpc >> > lient-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/httpco >> > mponents-client-4.5.9/lib/httpclient-osgi-4.5.9.jar:/home/somshekar/ak >> > shay/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/httpcli >> > > en >> > > t/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/htt >> > > pc >> > > lient-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/h >> > > > tt >> > > > pc >> > > > 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.CloseableHttpClien >> > > > >> > >> t; >> > > > >> > >> import >> > > > >> > >> org.apache.hc.client5.http.impl.classic.CloseableHttpRespo >> > > > >> > >> ns >> > > > >> > >> e; 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.SSLConnectionSocketFactoryB >> > > > >> > >> ui >> > > > >> > >> ld 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 >> > > > >> > > > >> > > >> > > >> > > >> > > -------------------------------------------------------------------- >> > > - 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 >> >>
