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From "Oleg Kalnichevski (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HTTPCLIENT-1753) Exception in thread "main" java.lang.NoSuchFieldError: INSTANCE
Date Mon, 27 Jun 2016 13:18:52 GMT

     [ https://issues.apache.org/jira/browse/HTTPCLIENT-1753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Oleg Kalnichevski resolved HTTPCLIENT-1753.
-------------------------------------------
    Resolution: Invalid

The test case works for me. Please make sure your project does not have older versions of
HttpClient as transitive dependencies.

Oleg

> Exception in thread "main" java.lang.NoSuchFieldError: INSTANCE
> ---------------------------------------------------------------
>
>                 Key: HTTPCLIENT-1753
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1753
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient
>    Affects Versions: 4.5.2, 5.0 Alpha1
>         Environment: Windows 7, Eclipse Version: Mars Release (4.5.0)
> Build id: 20150621-1200 
>            Reporter: Sugat Sapkota
>              Labels: test
>
> I am trying to write a simple WebService Testing using HTTPClient. I have all my jars
loaded up but get the above error message. 
> I am getting the above error stacktrace.
> {code:title=RESTTester.java|borderStyle=solid}
> package HTTPClientTest;
> import java.io.IOException;
> import org.apache.http.HttpResponse;
> import org.apache.http.HttpStatus;
> import org.apache.http.client.ClientProtocolException;
> import org.apache.http.client.methods.HttpGet;
> import org.apache.http.client.methods.HttpUriRequest;
> import org.apache.http.impl.client.HttpClientBuilder;
> import org.junit.Assert;
> public class RESTTester {
>     public static void main (String args[]) {
>     String restURL_XML = "http://parabank.parasoft.com/parabank/services/bank/customers/12212/";
>     try {
>     testStatusCode(restURL_XML);
>     } catch (ClientProtocolException e) {
>     e.printStackTrace();
>     } catch (IOException e) {
>     e.printStackTrace();
>     } 
> }
> public static void testStatusCode(String restURL) throws ClientProtocolException, IOException
{
>     HttpUriRequest request = new HttpGet(restURL);
>     HttpResponse httpResponse = HttpClientBuilder.create().build().execute(request);
>     Assert.assertEquals(httpResponse.getStatusLine().getStatusCode(),HttpStatus.SC_OK);
>     }
> }
> {code}
> {code}
> Exception in thread "main" java.lang.NoSuchFieldError: INSTANCE
>     at org.apache.http.conn.ssl.SSLConnectionSocketFactory.<clinit>(SSLConnectionSocketFactory.java:144)
>     at org.apache.http.impl.client.HttpClientBuilder.build(HttpClientBuilder.java:966)
>     at HTTPClientTest.RESTTester.testStatusCode(RESTTester.java:37)
>     at HTTPClientTest.RESTTester.main(RESTTester.java:22)
> {code}



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