[FIXED HUDSON-7327] honor the proxy setting in Hudson. Fixed toward 1.384.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@36462 71c3de6d-444a-0410-be80-ed276b4c234a

core/pom.xml

@@ -791,7 +791,7 @@ THE SOFTWARE.
     <dependency>
       <groupId>org.jvnet.robust-http-client</groupId>
       <artifactId>robust-http-client</artifactId>
-      <version>1.0</version>
+      <version>1.1</version>
     </dependency>
 
     <dependency><!-- Hudson doesn't depend on it but some plugin wants the latest version. Bundling 1.4 until we figure out a mechanism to let plugins load its own -->

core/src/main/java/hudson/tools/JDKInstaller.java

@@ -305,7 +305,12 @@ public class JDKInstaller extends ToolInstaller {
         try {
             FileOutputStream out = new FileOutputStream(tmp);
             try {
-                IOUtils.copy(new RetryableHttpStream(src), out);
+                IOUtils.copy(new RetryableHttpStream(src) {
+                    @Override
+                    protected HttpURLConnection connect() throws IOException {
+                        return (HttpURLConnection) ProxyConfiguration.open(url);
+                    }
+                }, out);
             } finally {
                 out.close();
             }