Hi, We are using HttpClient version 4.2.5 and we did try the option client.getParams().setParameter(ClientPNames.ALLOW_CIRCULAR_REDIRECTS, true);, however this hits maximum redirects hits occurred around 100.
On Tue, Oct 14, 2014 at 7:44 PM, Todd W Lainhart <[email protected]> wrote: > You can turn off circular redirect checking. You haven't said what > version of the library you're using. Assuming the latest, take a look at > RequestConfig.Builder. There are other options/mechanisms for raising the > limits, or taking part in the analysis process. > > > > > > Todd Lainhart > Rational software > IBM Corporation > 550 King Street, Littleton, MA 01460-1250 > 1-978-899-4705 > 2-276-4705 (T/L) > [email protected] > > > > > From: srihari na <[email protected]> > To: HttpClient User Discussion <[email protected]> > Date: 10/14/2014 10:04 AM > Subject: HttpClient with CircularRedirectException > > > > Hello, > > We are trying a simple Get request to a server which is seems to be in > circular redirection and end up in CircularRedirectException, based on > some > internet search hits there is a mechanism to disable the > circuralRedirectionException, however we hit maximum redirection hits(100) > occurred. We were able to hit the same server with a simple standalone > java > program, Mozilla and Chrome ReST client which is working fine where as the > Apache client libraries is throwing the above mentioned exception. I have > pasted the code snippet below and java program, please help me overcome > this situation. The Authorization header is intentionally garbled for > security reasons however with the code error is reproduced and with proper > header also we see the problem. > > DefaultHttpClient httpclient = new DefaultHttpClient(); > try { > KeyStore trustStore = > KeyStore.getInstance(KeyStore.getDefaultType()); > FileInputStream instream = new FileInputStream(new > File("C:\\IBMJDK7\\jre\\lib\\security\\cacerts")); > try { > trustStore.load(instream, "changeit".toCharArray()); > } finally { > try { instream.close(); } catch (Exception ignore) {} > } > > SSLSocketFactory socketFactory = new > SSLSocketFactory(trustStore); > Scheme sch = new Scheme("https", 443, socketFactory); > > httpclient.getConnectionManager().getSchemeRegistry().register(sch); > > HttpGet httpget = new HttpGet(" > https://login.eloqua.com:443/id/ > "); > httpget.addHeader("Authorization", "Basic > VGVjaG5vbG9neVBhcnRuZXJQZXJzaX"); > httpget.addHeader("Accept","application/json"); > System.out.println("executing request" + > httpget.getRequestLine()); > > HttpResponse response = httpclient.execute(httpget); > HttpEntity entity = response.getEntity(); > System.out.println(response.getStatusLine()); > if (entity != null) { > System.out.println("Response content length: " + > entity.getContentLength()); > } > EntityUtils.consume(entity); > > } finally { > httpclient.getConnectionManager().shutdown(); > } > > Sample Java Code > > public class TestEloquaJavaHttpUrl { > > public static void main(String [] args) throws Exception { > // configure the SSLContext with a TrustManager > SSLContext ctx = SSLContext.getInstance("SSLv3"); > ctx.init(new KeyManager[0], new TrustManager[] {new > DefaultTrustManager()}, new SecureRandom()); > SSLContext.setDefault(ctx); > > URL url = new URL("https://login.eloqua.com:443/id/";); > HttpsURLConnection conn = (HttpsURLConnection) > url.openConnection(); > conn.setRequestProperty("Authorization", "Basic > VGVjaG5vbG9neVBhcnRuZXJQZXJzaX"); > conn.setRequestProperty("Accept", "application/json"); > conn.setHostnameVerifier(new HostnameVerifier() { > @Override > public boolean verify(String arg0, SSLSession arg1) { > return true; > } > }); > System.out.println(conn.getResponseCode()); > conn.disconnect(); > } > > private static class DefaultTrustManager implements X509TrustManager { > > @Override > public void checkClientTrusted(X509Certificate[] arg0, String > arg1) > throws CertificateException {} > > @Override > public void checkServerTrusted(X509Certificate[] arg0, String > arg1) > throws CertificateException {} > > @Override > public X509Certificate[] getAcceptedIssuers() { > return null; > } > } > } > > -- > Regards, > Srihari NA > > -- Regards, Srihari NA
