HTTPCLIENT-806: DefaultHttpMethodRetryHandler will no longer retry on ConnectExceptions

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@709159 13f79535-47bb-0310-9956-ffa450edef68

RELEASE_NOTES.txt

@@ -1,6 +1,10 @@
 Changes since 4.0 beta 1
 -------------------
 
+* [HTTPCLIENT-806] DefaultHttpMethodRetryHandler will no longer retry
+  on ConnectExceptions.
+  Contributed by Oleg Kalnichevski <olegk at apache.org>
+
 * DigestScheme can use an arbitrary digest algorithm requested by the
   target server (such SHA) as long as this algorithm is supported by 
   the Java runtime.     

module-client/src/main/java/org/apache/http/impl/client/DefaultHttpRequestRetryHandler.java

@@ -33,6 +33,7 @@ package org.apache.http.impl.client;
 
 import java.io.IOException;
 import java.io.InterruptedIOException;
+import java.net.ConnectException;
 import java.net.UnknownHostException;
 
 import javax.net.ssl.SSLHandshakeException;
@@ -101,6 +102,10 @@ public class DefaultHttpRequestRetryHandler implements HttpRequestRetryHandler {
             // Unknown host
             return false;
         }
+        if (exception instanceof ConnectException) {
+            // Connection refused 
+            return false;
+        }
         if (exception instanceof SSLHandshakeException) {
             // SSL handshake exception
             return false;